1
Nuveen
Short
Duration
Credit
Opportunities
Fund
Portfolio
of
Investments
April
30,
2023
(Unaudited)
JSD
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
LONG-TERM
INVESTMENTS
-
159.0%  
(97.2%
of
Total
Investments) 
X
172,766,082
VARIABLE
RATE
SENIOR
LOAN
INTERESTS
-
128.4%
(78.5%
of
Total
Investments)
(2)
X
172,766,082
Aerospace
&
Defense
-
1.4%
(0.8%
of
Total
Investments)
$
244
TransDigm,
Inc.,
Term
Loan
H
8.148%
SOFR90A
3.250%
2/22/27
Ba3
$
244,307
1,610
TransDigm,
Inc.,
Term
Loan
I
8.148%
SOFR90A
3.250%
8/24/28
Ba3
1,610,469
Total
Aerospace
&
Defense
1,854,776
Automobile
Components
-
1.0%
(0.6%
of
Total
Investments)
52
Adient
US
LLC,
Term
Loan
B
8.268%
1-Month
LIBOR
3.250%
4/08/28
BB+
52,284
410
Clarios
Global
LP,
Term
Loan
,
(WI/DD)
TBD
TBD
TBD
TBD
B+
409,828
845
Clarios
Global
LP,
Term
Loan
B
8.275%
1-Month
LIBOR
3.250%
4/30/26
B+
844,591
93
DexKo
Global
Inc.,
Term
Loan
B
8.909%
3-Month
LIBOR
3.750%
10/04/28
B2
88,616
Total
Automobile
Components
1,395,319
Beverages
-
1.8%
(1.1%
of
Total
Investments)
401
Arterra
Wines
Canada,
Inc.,
Term
Loan
8.659%
3-Month
LIBOR
3.500%
11/25/27
B
392,301
447
City
Brewing
Company,
LLC,
Term
Loan
8.760%
3-Month
LIBOR
3.500%
4/05/28
CCC
185,626
744
Naked
Juice
LLC,
Term
Loan
8.248%
SOFR90A
3.250%
1/20/29
B2
665,959
82
Naked
Juice
LLC,
Term
Loan,
Second
Lien
10.998%
SOFR90A
6.000%
1/20/30
CCC
63,330
249
Sunshine
Investments
B.V.,
Term
Loan
9.011%
SOFR90A
4.250%
5/05/29
B+
247,972
862
Triton
Water
Holdings,
Inc,
Term
Loan
8.659%
3-Month
LIBOR
3.500%
3/31/28
B
819,204
Total
Beverages
2,374,392
Biotechnology
-
0.8%
(0.5%
of
Total
Investments)
1,096
Grifols
Worldwide
Operations
USA,
Inc.,
Term
Loan
B
7.025%
1-Month
LIBOR
2.000%
11/15/27
BB+
1,069,016
Total
Biotechnology
1,069,016
Broadline
Retail
-
0.3%
(0.2%
of
Total
Investments)
1,147
Belk,
Inc.,
Term
Loan
,
(cash
5.000%,
PIK
8.000%)
13.000%
3-Month
LIBOR
13.000%
7/31/25
C
189,247
233
Belk,
Inc.,
Term
Loan
12.458%
1-Month
LIBOR
7.500%
7/31/25
CCC
198,374
Total
Broadline
Retail
387,621
Building
Products
-
1.8%
(1.1%
of
Total
Investments)
1,135
Chamberlain
Group
Inc,
Term
Loan
B
8.275%
1-Month
LIBOR
3.250%
10/22/28
B
1,103,168
151
Cornerstone
Building
Brands,
Inc.,
Term
Loan
B
8.240%
TSFR1M
3.250%
4/12/28
B
137,111
154
Griffon
Corporation,
Term
Loan
B
7.548%
SOFR90A
2.500%
1/19/29
BB
153,635
560
Quikrete
Holdings,
Inc.,
Term
Loan,
First
Lien
7.650%
1-Month
LIBOR
2.625%
1/31/27
Ba2
558,038
329
Standard
Industries
Inc.,
Term
Loan
B
7.329%
TSFR1M
2.250%
9/22/28
BBB-
329,122
123
Zurn
Holdings,
Inc.,
Term
Loan
B
7.025%
1-Month
LIBOR
2.000%
10/04/28
BB+
123,199
Total
Building
Products
2,404,273
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
2
JSD
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Capital
Markets
-
0.2%
(0.1%
of
Total
Investments)
$
300
Motion
Finco
Sarl,
Term
Loan
B1
,
(DD1)
8.409%
3-Month
LIBOR
3.250%
11/04/26
B
$
295,887
Total
Capital
Markets
295,887
Chemicals
-
2.4%
(1.5%
of
Total
Investments)
210
ASP
Unifrax
Holdings
Inc,
Term
Loan
B
8.909%
3-Month
LIBOR
3.750%
12/12/25
BB
193,851
73
Avient
Corporation,
Term
Loan
B
8.295%
SOFR90A
3.250%
8/29/29
BB+
73,724
523
Axalta
Coating
Systems
Dutch
Holding
B
B.V,
Term
Loan
B
8.068%
SOFR90A
3.000%
12/08/29
BBB-
524,705
149
Diamond
(BC)
B.V.,
Term
Loan
B
7.952%
SOFR30A
+
SOFR90A
2.750%
9/29/28
Ba3
148,712
633
Discovery
Purchaser
Corporation,
Term
Loan
9.284%
TSFR3M
4.375%
8/03/29
B-
608,013
250
H.B.
Fuller
Company,
Term
Loan
B
7.482%
SOFR30A
2.500%
2/08/30
BBB-
251,641
130
INEOS
Quattro
Holdings
UK
Ltd,
Term
Loan
8.832%
SOFR30A
3.750%
3/03/30
BB
130,000
254
INEOS
Styrolution
US
Holding
LLC,
Term
Loan
B
7.847%
1-Month
LIBOR
2.750%
1/29/26
BB+
253,443
40
Kraton
Corporation,
Term
Loan
8.544%
SOFR90A
3.250%
3/15/29
BB
39,604
55
Starfruit
Finco
B.V,
Term
Loan
8.990%
SOFR90A
4.000%
3/03/28
B+
54,931
219
Starfruit
Finco
B.V,
Term
Loan
B
7.895%
SOFR90A
2.750%
10/01/25
BB-
218,757
779
Trinseo
Materials
Operating
S.C.A.,
Term
Loan
,
(DD1)
7.025%
1-Month
LIBOR
2.000%
9/09/24
Ba2
770,252
Total
Chemicals
3,267,633
Commercial
Services
&
Supplies
-
2.6%
(1.6%
of
Total
Investments)
476
Amentum
Government
Services
Holdings
LLC,
Term
Loan
8.898%
SOFR90A
4.000%
2/07/29
B
458,535
198
Anticimex
International
AB,
Term
Loan
B1
8.453%
3-Month
LIBOR
3.500%
11/16/28
B
195,854
502
Covanta
Holding
Corporation,
Term
Loan
B
7.496%
SOFR30A
2.500%
11/30/28
Ba1
500,614
38
Covanta
Holding
Corporation,
Term
Loan
C
7.496%
SOFR30A
2.500%
11/30/28
Ba1
38,110
289
Garda
World
Security
Corporation,
Term
Loan
B
9.296%
SOFR30A
4.250%
10/30/26
BB+
288,448
637
GFL
Environmental
Inc.,
Term
Loan
8.145%
SOFR30A
3.000%
5/31/27
BB-
638,646
186
Prime
Security
Services
Borrower,
LLC,
Term
Loan
7.608%
3-Month
LIBOR
2.750%
9/23/26
BB-
185,476
218
Vertical
US
Newco
Inc,
Term
Loan
B
8.602%
6-Month
LIBOR
3.500%
7/31/27
B+
213,069
691
West
Corporation,
Term
Loan
B3
9.068%
SOFR90A
4.000%
4/10/27
B1
624,291
320
WIN
Waste
Innovations
Holdings,
Inc.,
Term
Loan
B
7.847%
SOFR30A
2.750%
3/25/28
B
304,891
Total
Commercial
Services
&
Supplies
3,447,934
Communications
Equipment
-
2.1%
(1.3%
of
Total
Investments)
161
Avaya,
Inc.,
Term
Loan
B
(5)
9.090%
1-Month
LIBOR
4.250%
12/15/27
D
38,640
538
CommScope,
Inc.,
Term
Loan
B
,
(DD1)
8.275%
1-Month
LIBOR
3.250%
4/04/26
B1
500,067
1,022
Delta
TopCo,
Inc.,
Term
Loan
B
8.656%
TSFR3M
3.750%
12/01/27
B2
979,780
3
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Communications
Equipment
(continued)
$
199
EOS
Finco
Sarl,
Term
Loan
10.909%
TSFR3M
6.000%
8/03/29
B
$
197,673
611
MLN
US
HoldCo
LLC,
Term
Loan
11.782%
TSFR3M
6.700%
10/18/27
CCC+
351,276
1,051
MLN
US
HoldCo
LLC,
Term
Loan,
First
Lien
9.557%
3-Month
LIBOR
4.500%
11/30/25
CCC-
290,426
591
Riverbed
Technology,
Inc.,
Exit
Term
Loan
,
(cash
7.000%,
PIK
2.000%)
6.420%
3-Month
LIBOR
4.000%
12/07/26
Caa3
184,866
248
ViaSat,
Inc.,
Term
Loan
9.597%
SOFR30A
4.500%
3/04/29
BB+
241,519
Total
Communications
Equipment
2,784,247
Construction
&
Engineering
-
0.7%
(0.4%
of
Total
Investments)
70
Aegion
Corporation,
Term
Loan
9.775%
1-Month
LIBOR
4.750%
5/17/28
B
69,018
350
Centuri
Group,
Inc,
Term
Loan
B
7.294%
1
+
3
Month
LIBOR
2.500%
8/27/28
Ba2
348,142
358
Osmose
Utilities
Services,
Inc.,
Term
Loan
8.275%
1-Month
LIBOR
3.250%
6/22/28
B
347,595
143
Pike
Corporation,
Term
Loan
B
8.097%
1-Month
LIBOR
3.000%
1/21/28
Ba3
142,087
Total
Construction
&
Engineering
906,842
Consumer
Finance
-
1.1%
(0.7%
of
Total
Investments)
1,452
Fleetcor
Technologies
Operating
Company,
LLC,
Term
Loan
B4
6.775%
1-Month
LIBOR
1.750%
4/30/28
BB+
1,439,221
Total
Consumer
Finance
1,439,221
Consumer
Staples
Distribution
&
Retail
-
0.7%
(0.4%
of
Total
Investments)
245
US
Foods,
Inc.,
Term
Loan
B
7.775%
1-Month
LIBOR
2.750%
11/22/28
BB
245,796
639
US
Foods,
Inc.,
Term
Loan
B
,
(DD1)
7.025%
1-Month
LIBOR
2.000%
9/13/26
BB
638,261
Total
Consumer
Staples
Distribution
&
Retail
884,057
Containers
&
Packaging
-
2.2%
(1.4%
of
Total
Investments)
650
Berry
Global,
Inc.,
Term
Loan
Z
6.640%
1-Month
LIBOR
1.750%
7/01/26
BBB-
649,873
415
Charter
NEX
US,
Inc.,
Term
Loan
8.847%
SOFR30A
3.750%
12/01/27
B
410,666
391
Clydesdale
Acquisition
Holdings
Inc,
Term
Loan
B
9.257%
SOFR30A
4.175%
3/30/29
B
382,291
27
Klockner-Pentaplast
of
America,
Inc.,
Term
Loan
B
10.129%
SOFR180A
4.750%
2/09/26
B2
24,689
345
Reynolds
Group
Holdings
Inc.
,
Term
Loan
B
8.347%
SOFR30A
3.250%
9/24/28
B+
341,799
399
Reynolds
Group
Holdings
Inc.
,
Term
Loan
B2
8.347%
SOFR30A
3.250%
2/05/26
B+
398,877
831
TricorBraun
Holdings,
Inc.,
Term
Loan
8.275%
1-Month
LIBOR
3.250%
3/03/28
B2
812,254
Total
Containers
&
Packaging
3,020,449
Diversified
Consumer
Services
-
0.5%
(0.3%
of
Total
Investments)
215
GT
Polaris,
Inc.,
Term
Loan
9.023%
1-Month
LIBOR
3.750%
9/24/27
BB-
200,377
520
Spin
Holdco
Inc.,
Term
Loan
8.986%
3-Month
LIBOR
4.000%
3/04/28
B-
430,520
Total
Diversified
Consumer
Services
630,897
Diversified
Financial
Services
-
0.0%
(0.0%
of
Total
Investments)
707
Ditech
Holding
Corporation,
Term
Loan
(5)
0.000%
N/A
N/A
12/19/22
N/R
42,432
Total
Diversified
Financial
Services
42,432
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
4
JSD
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Diversified
Telecommunication
Services
-
3.3%
(2.0%
of
Total
Investments)
$
368
Altice
France
S.A.,
Term
Loan
B12
8.948%
3-Month
LIBOR
3.688%
1/31/26
B2
$
356,228
1,330
Altice
France
S.A.,
Term
Loan
B13
8.864%
3-Month
LIBOR
4.000%
8/14/26
B2
1,293,742
769
CenturyLink,
Inc.,
Term
Loan
B
7.347%
SOFR30A
2.250%
3/15/27
BB
525,449
186
Cincinnati
Bell,
Inc.,
Term
Loan
B2
8.332%
SOFR30A
3.250%
11/23/28
B+
181,831
423
Connect
Finco
Sarl,
Term
Loan
B
8.530%
1-Month
LIBOR
3.500%
12/12/26
B+
421,797
283
Cyxtera
DC
Holdings,
Inc.,
Term
Loan
B
8.068%
3-Month
LIBOR
3.000%
5/01/24
CCC+
212,258
1,288
Frontier
Communications
Corp.,
Term
Loan
B
8.813%
1-Month
LIBOR
3.750%
10/08/27
BB+
1,233,953
195
Zayo
Group
Holdings,
Inc.,
Term
Loan
,
(WI/DD)
TBD
TBD
TBD
TBD
B2
159,142
Total
Diversified
Telecommunication
Services
4,384,400
Electric
Utilities
-
0.7%
(0.4%
of
Total
Investments)
346
ExGen
Renewables
IV,
LLC,
Term
Loan
7.460%
3-Month
LIBOR
2.500%
12/15/27
BB-
344,954
199
Pacific
Gas
&
Electric
Company,
Term
Loan
8.025%
1-Month
LIBOR
3.000%
6/23/25
BB+
199,119
440
Talen
Energy
Supply,
LLC,
Term
Loan
B
(5)
8.775%
1-Month
LIBOR
3.750%
7/08/26
N/R
448,486
Total
Electric
Utilities
992,559
Electronic
Equipment,
Instruments
&
Components
-
1.2%
(0.8%
of
Total
Investments)
526
II-VI
Incorporated,
Term
Loan
B
7.847%
SOFR30A
2.750%
7/01/29
BBB-
524,494
798
Ingram
Micro
Inc.,
Term
Loan
B
8.659%
3-Month
LIBOR
3.500%
7/02/28
BB+
783,309
355
TTM
Technologies,
Inc.,
Term
Loan
7.348%
1-Month
LIBOR
2.500%
9/28/24
BB+
355,503
Total
Electronic
Equipment,
Instruments
&
Components
1,663,306
Entertainment
-
1.5%
(0.9%
of
Total
Investments)
637
AMC
Entertainment
Holdings,
Inc.
,
Term
Loan
B
7.946%
1-Month
LIBOR
3.000%
4/22/26
B-
490,045
1,265
Crown
Finance
US,
Inc.,
Term
Loan
(5)
0.000%
N/A
N/A
2/28/25
D
233,621
114
Crown
Finance
US,
Inc.,
Term
Loan
(5)
0.000%
N/A
N/A
9/20/26
D
21,087
480
Diamond
Sports
Group,
LLC,
Term
Loan,
Second
Lien
(5)
8.167%
SOFR90A
3.250%
8/24/26
N/R
31,523
323
Lions
Gate
Capital
Holdings
LLC,
Term
Loan
B
7.275%
1-Month
LIBOR
2.250%
3/24/25
Ba2
319,065
456
Springer
Nature
Deutschland
GmbH,
Term
Loan
B18
8.159%
3-Month
LIBOR
3.000%
8/14/26
BB+
456,314
13
Univision
Communications
Inc.,
Term
Loan
C5
7.775%
1-Month
LIBOR
2.750%
3/15/24
B+
12,569
405
Virgin
Media
Bristol
LLC,
Term
Loan
Q
8.198%
1-Month
LIBOR
3.250%
1/31/29
BB+
401,570
Total
Entertainment
1,965,794
5
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Financial
Services
-
0.8%
(0.5%
of
Total
Investments)
$
808
Avaya,
Inc.,
Term
Loan
B2
(5)
8.840%
1-Month
LIBOR
4.000%
12/15/27
D
$
203,899
373
Avolon
TLB
Borrower
1
(US)
LLC,
Term
Loan
B3
6.703%
1-Month
LIBOR
1.750%
1/15/25
Baa2
372,739
436
Trans
Union,
LLC,
Term
Loan
B6
7.275%
1-Month
LIBOR
2.250%
12/01/28
BBB-
435,347
Total
Financial
Services
1,011,985
Food
Products
-
1.1%
(0.7%
of
Total
Investments)
524
8th
Avenue
Food
&
Provisions,
Inc.,
Term
Loan,
First
Lien
,
(DD1)
8.775%
1-Month
LIBOR
3.750%
10/01/25
CCC+
464,714
248
CHG
PPC
Parent
LLC,
Term
Loan
8.063%
1-Month
LIBOR
3.000%
12/08/28
B1
245,953
146
Froneri
International
Ltd.,
Term
Loan
7.409%
3-Month
LIBOR
2.250%
1/31/27
B+
144,360
323
Sycamore
Buyer
LLC,
Term
Loan
B
7.347%
SOFR30A
2.250%
7/22/29
BB+
313,876
289
UTZ
Quality
Foods,
LLC,
Term
Loan
B
8.097%
SOFR30A
3.000%
1/20/28
B1
288,847
Total
Food
Products
1,457,750
Ground
Transportation
-
2.5%
(1.5%
of
Total
Investments)
308
First
Student
Bidco
Inc,
Term
Loan
B
8.143%
3-Month
LIBOR
3.000%
7/21/28
BB+
294,002
115
First
Student
Bidco
Inc,
Term
Loan
C
8.143%
3-Month
LIBOR
3.000%
7/21/28
BB+
109,504
970
Genesee
&
Wyoming
Inc.
(New),
Term
Loan
6.998%
SOFR90A
2.000%
12/30/26
BB+
968,094
535
Hertz
Corporation,
(The),
Term
Loan
B
8.275%
1-Month
LIBOR
3.250%
6/30/28
BB+
533,891
103
Hertz
Corporation,
(The),
Term
Loan
C
8.275%
1-Month
LIBOR
3.250%
6/30/28
BB+
102,627
1,396
Uber
Technologies,
Inc.,
Term
Loan
B
7.870%
TSFR3M
2.750%
3/03/30
Ba2
1,393,805
Total
Ground
Transportation
3,401,923
Health
Care
Equipment
&
Supplies
-
6.4%
(3.9%
of
Total
Investments)
2,656
Bausch
&
Lomb,
Inc.,
Term
Loan
8.457%
SOFR90A
3.250%
5/05/27
BB-
2,589,499
1,248
Carestream
Health,
Inc.,
Term
Loan
12.498%
SOFR90A
7.500%
9/30/27
B-
902,578
735
CNT
Holdings
I
Corp,
Term
Loan
8.459%
SOFR90A
3.500%
11/08/27
B
728,973
204
Embecta
Corp,
Term
Loan
B
7.791%
SOFR180A
3.000%
1/27/29
Ba3
201,882
262
ICU
Medical,
Inc.,
Term
Loan
B
7.548%
SOFR90A
2.500%
12/14/28
BBB-
260,300
3,118
Medline
Borrower,
LP,
Term
Loan
B
8.275%
SOFR30A
3.250%
10/21/28
BB-
3,030,266
635
Viant
Medical
Holdings,
Inc.,
Term
Loan,
First
Lien
8.775%
1-Month
LIBOR
3.750%
7/02/25
B3
597,824
446
Vyaire
Medical,
Inc.,
Term
Loan
B
9.943%
3-Month
LIBOR
4.750%
4/16/25
Caa1
322,773
Total
Health
Care
Equipment
&
Supplies
8,634,095
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
6
JSD
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Health
Care
Providers
&
Services
-
9.7%
(5.9%
of
Total
Investments)
$
739
AHP
Health
Partners,
Inc.,
Term
Loan
B
8.525%
1-Month
LIBOR
3.500%
8/23/28
B1
$
738,288
320
DaVita,
Inc.
,
Term
Loan
B
6.847%
1-Month
LIBOR
1.750%
8/12/26
BBB-
317,770
43
Element
Materials
Technology
Group
US
Holdings
Inc.,
Term
Loan
9.248%
SOFR90A
4.250%
4/12/29
B1
42,087
92
Element
Materials
Technology
Group
US
Holdings
Inc.,
Term
Loan
9.248%
SOFR90A
4.250%
4/12/29
B1
91,188
570
Gainwell
Acquisition
Corp.,
Term
Loan
B
8.998%
SOFR90A
4.000%
10/01/27
BB-
550,315
98
Global
Medical
Response,
Inc.,
Term
Loan
9.203%
2-Month
LIBOR
4.250%
3/14/25
B3
61,203
1,194
Global
Medical
Response,
Inc.,
Term
Loan
B
9.236%
3-Month
LIBOR
4.250%
10/02/25
B3
745,591
1,266
ICON
Luxembourg
S.A.R.L.,
Term
Loan
7.410%
SOFR90A
2.250%
7/01/28
BB+
1,267,370
248
Medical
Solutions
Holdings,
Inc.,
Term
Loan,
First
Lien
8.240%
TSFR3M
3.250%
11/01/28
B1
239,085
438
National
Mentor
Holdings,
Inc.,
Term
Loan
8.790%
SOFR30A
+
SOFR90A
3.750%
3/02/28
B-
337,090
6
National
Mentor
Holdings,
Inc.,
Term
Loan
C
8.748%
SOFR90A
3.750%
3/02/28
B-
4,726
644
Onex
TSG
Intermediate
Corp.,
Term
Loan
B
10.057%
3-Month
LIBOR
4.750%
2/26/28
B
578,582
2,447
Parexel
International
Corporation,
Term
Loan,
First
Lien
8.275%
1-Month
LIBOR
3.250%
11/15/28
B1
2,408,894
907
Phoenix
Guarantor
Inc,
Term
Loan
B
8.275%
1-Month
LIBOR
3.250%
3/05/26
B1
894,174
490
Phoenix
Guarantor
Inc,
Term
Loan
B3
8.525%
1-Month
LIBOR
3.500%
3/05/26
B1
483,875
312
RegionalCare
Hospital
Partners
Holdings,
Inc.,
Term
Loan
B
9.023%
3-Month
LIBOR
3.750%
11/16/25
B1
293,824
1,488
Select
Medical
Corporation,
Term
Loan
B
7.530%
1-Month
LIBOR
2.500%
3/06/25
Ba2
1,486,641
1,400
Surgery
Center
Holdings,
Inc.,
Term
Loan
8.698%
1-Month
LIBOR
3.750%
8/31/26
B1
1,399,115
398
Team
Health
Holdings,
Inc.,
Term
Loan
B
10.232%
SOFR30A
5.250%
2/02/27
B-
261,174
675
Team
Health
Holdings,
Inc.,
Term
Loan,
First
Lien
7.775%
1-Month
LIBOR
2.750%
2/06/24
B-
572,370
310
US
Radiology
Specialists,
Inc.,
Term
Loan
10.332%
SOFR30A
5.250%
12/15/27
B-
287,440
Total
Health
Care
Providers
&
Services
13,060,802
Health
Care
Technology
-
0.0%
(0.0%
of
Total
Investments)
2
Athenahealth,
Inc.,
Term
Loan
8.464%
SOFR30A
3.500%
1/27/29
B+
1,720
15
Athenahealth,
Inc.,
Term
Loan
B
8.464%
SOFR30A
3.500%
1/27/29
B+
14,003
Total
Health
Care
Technology
15,723
7
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Hotels,
Restaurants
&
Leisure
-
18.1%
(11.1%
of
Total
Investments)
$
113
24
Hour
Fitness
Worldwide,
Inc.,
Exit
Term
Loan
19.056%
3-Month
LIBOR
14.000%
9/29/26
Caa3
$
59,465
252
24
Hour
Fitness
Worldwide,
Inc.,
Term
Loan
,
(cash
0.220%,
PIK
5.000%)
10.143%
3-Month
LIBOR
5.000%
12/29/25
CCC-
22,393
196
Alterra
Mountain
Company,
Term
Loan
8.525%
1-Month
LIBOR
3.500%
8/17/28
B+
195,433
2,160
B.C.
Unlimited
Liability
Company,
Term
Loan
B4
6.775%
1-Month
LIBOR
1.750%
11/19/26
BB+
2,142,748
1,138
Caesars
Entertainment
Corp,
Term
Loan
B
8.332%
SOFR30A
3.250%
1/25/30
Ba3
1,135,548
366
Carnival
Corporation,
Term
Loan
B
8.275%
1-Month
LIBOR
3.250%
10/18/28
BB-
360,522
1,368
Carnival
Corporation,
Term
Loan
B
,
(DD1)
8.025%
1-Month
LIBOR
3.000%
6/30/25
Ba2
1,363,268
770
Churchill
Downs
Incorporated,
Term
Loan
B1
7.082%
1-Month
LIBOR
2.000%
3/17/28
BBB-
770,147
2,281
ClubCorp
Holdings,
Inc.,
Term
Loan
B
7.775%
1-Month
LIBOR
2.750%
9/18/24
B2
2,161,933
1,035
Crown
Finance
US,
Inc.,
Term
Loan
,
(DD1)
14.829%
SOFR90A
+
TSFR3M
10.000%
9/09/23
N/R
1,055,760
293
Crown
Finance
US,
Inc.,
Term
Loan
(6)
6.642%
3-Month
LIBOR
3.000%
8/31/23
CCC+
53,962
1,983
Equinox
Holdings,
Inc.,
Term
Loan,
First
Lien
8.159%
3-Month
LIBOR
3.000%
3/08/24
Caa2
1,800,913
1,986
Fertitta
Entertainment,
LLC,
Term
Loan
B
8.982%
SOFR30A
4.000%
1/27/29
B
1,936,630
668
GVC
Holdings
(Gibraltar)
Limited,
Term
Loan
B
8.411%
SOFR90A
+
SOFR180A
+
TSFR3M
3.500%
10/31/29
Ba1
671,750
1,476
IRB
Holding
Corp,
Term
Loan
B
8.082%
SOFR30A
3.000%
12/15/27
B+
1,454,136
419
Life
Time
Fitness
Inc
,
Term
Loan
B
9.775%
1-Month
LIBOR
4.750%
12/15/24
B+
418,943
43
Motion
Finco
Sarl,
Term
Loan
B2
,
(DD1)
8.409%
3-Month
LIBOR
3.250%
11/04/26
B
42,149
297
NASCAR
Holdings,
Inc,
Term
Loan
B
7.525%
1-Month
LIBOR
2.500%
10/18/26
BBB-
297,601
501
PCI
Gaming
Authority,
Term
Loan
7.525%
1-Month
LIBOR
2.500%
5/31/26
BBB-
500,467
308
Penn
National
Gaming,
Inc.,
Term
Loan
B
7.732%
SOFR30A
2.750%
4/20/29
BB
307,247
348
Scientific
Games
Holdings
LP,
Term
Loan
B
8.421%
SOFR90A
3.500%
2/04/29
BB-
343,679
1,187
Scientific
Games
International,
Inc.,
Term
Loan
7.981%
SOFR30A
3.000%
4/07/29
BBB-
1,185,754
493
SeaWorld
Parks
&
Entertainment,
Inc.,
Term
Loan
B
8.063%
1-Month
LIBOR
3.000%
8/25/28
BB
491,269
2,065
Stars
Group
Holdings
B.V.
(The),
Term
Loan
7.409%
3-Month
LIBOR
2.250%
7/10/25
BBB
2,065,798
498
Stars
Group
Holdings
B.V.
(The),
Term
Loan
B
8.410%
SOFR90A
3.250%
7/04/28
BBB
498,861
1,430
Station
Casinos
LLC,
Term
Loan
B
7.280%
1-Month
LIBOR
2.250%
2/08/27
BB-
1,417,820
901
Twin
River
Worldwide
Holdings,
Inc.,
Term
Loan
B
8.198%
1-Month
LIBOR
3.250%
10/01/28
BB+
870,074
777
William
Morris
Endeavor
Entertainment,
LLC,
Term
Loan,
First
Lien
7.780%
1-Month
LIBOR
2.750%
5/16/25
B+
776,195
Total
Hotels,
Restaurants
&
Leisure
24,400,465
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
8
JSD
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Household
Durables
-
1.6%
(1.0%
of
Total
Investments)
$
1,664
AI
Aqua
Merger
Sub,
Inc.,
Term
Loan
B,
First
Lien
8.616%
SOFR30A
+
SOFR90A
3.750%
7/30/28
B
$
1,622,933
209
Reynolds
Consumer
Products
LLC,
Term
Loan
6.832%
SOFR30A
1.750%
2/04/27
BBB-
206,791
382
Weber-Stephen
Products
LLC,
Term
Loan
B
8.332%
SOFR30A
+
1
Month
LIBOR
3.250%
10/30/27
CCC+
342,713
Total
Household
Durables
2,172,437
Independent
Power
and
Renewable
Electricity
Producers
-
0.4%
(0.2%
of
Total
Investments)
557
Vistra
Operations
Company
LLC,
Term
Loan
B3,
First
Lien
6.736%
1-Month
LIBOR
1.750%
12/31/25
BBB-
555,121
Total
Independent
Power
and
Renewable
Electricity
Producers
555,121
Insurance
-
4.6%
(2.8%
of
Total
Investments)
1,483
Acrisure,
LLC,
Term
Loan
B
8.525%
1-Month
LIBOR
3.500%
2/15/27
B
1,421,737
492
Alliant
Holdings
Intermediate,
LLC,
Term
Loan
B4
8.510%
1-Month
LIBOR
3.500%
11/06/27
B
488,971
46
AmWINS
Group,
Inc.,
Term
Loan
B
7.721%
SOFR30A
2.750%
2/19/28
Ba3
45,885
495
AssuredPartners,
Inc.,
Term
Loan
8.482%
SOFR30A
3.500%
2/13/27
B
487,164
279
Asurion
LLC,
Term
Loan
B4,
Second
Lien
10.275%
1-Month
LIBOR
5.250%
1/20/29
B
232,471
145
Asurion
LLC,
Term
Loan
B7
8.025%
1-Month
LIBOR
3.000%
11/03/24
Ba3
144,679
344
Asurion
LLC,
Term
Loan
B8
8.275%
1-Month
LIBOR
3.250%
12/23/26
Ba3
322,348
485
Asurion
LLC,
Term
Loan
B9
8.275%
1-Month
LIBOR
3.250%
7/31/27
Ba3
449,148
123
Broadstreet
Partners,
Inc.,
Term
Loan
B
,
(DD1)
8.025%
1-Month
LIBOR
3.000%
1/27/27
B
121,936
295
Broadstreet
Partners,
Inc.,
Term
Loan
B2
8.275%
1-Month
LIBOR
3.250%
1/27/27
B
290,575
125
Hub
International
Limited,
Term
Loan
B
8.765%
SOFR90A
4.000%
11/10/29
B
124,596
325
Hub
International
Limited,
Term
Loan
B
8.445%
3-Month
LIBOR
3.250%
4/25/25
B
324,865
623
Hub
International
Limited,
Term
Loan
B
8.145%
1
+
3
Month
LIBOR
3.000%
4/25/25
B
622,539
171
Ryan
Specialty
Group,
LLC,
Term
Loan
8.082%
SOFR30A
3.000%
9/01/27
BB-
170,589
995
USI,
Inc.,
Term
Loan
8.648%
SOFR90A
3.750%
11/16/29
B1
994,100
Total
Insurance
6,241,603
Interactive
Media
&
Services
-
0.2%
(0.1%
of
Total
Investments)
641
Rackspace
Technology
Global,
Inc.,
Term
Loan
B
7.595%
3-Month
LIBOR
2.750%
2/09/28
B-
270,206
Total
Interactive
Media
&
Services
270,206
IT
Services
-
3.2%
(2.0%
of
Total
Investments)
685
Ahead
DB
Holdings,
LLC,
Term
Loan
B
8.909%
3-Month
LIBOR
3.750%
10/16/27
B+
665,915
123
iQor
US
Inc.,
Exit
Term
Loan
12.525%
1-Month
LIBOR
7.500%
11/19/24
B1
121,976
481
Peraton
Corp.,
Term
Loan
B
8.832%
1-Month
LIBOR
3.750%
2/01/28
BB-
472,186
434
Perforce
Software,
Inc.,
Term
Loan
B
8.775%
1-Month
LIBOR
3.750%
7/01/26
B2
405,921
1,244
Syniverse
Holdings,
Inc.,
Term
Loan
11.898%
SOFR90A
7.000%
5/10/29
B-
1,092,037
831
Tempo
Acquisition
LLC,
Term
Loan
B
7.982%
SOFR30A
3.000%
8/31/28
BB-
831,184
717
WEX
Inc.,
Term
Loan
7.275%
1-Month
LIBOR
2.250%
4/01/28
Ba2
716,435
Total
IT
Services
4,305,654
9
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Leisure
Products
-
0.1%
(0.1%
of
Total
Investments)
$
157
Hayward
Industries,
Inc.,
Term
Loan
7.525%
1-Month
LIBOR
2.500%
5/28/28
BB
$
153,046
Total
Leisure
Products
153,046
Life
Sciences
Tools
&
Services
-
0.7%
(0.4%
of
Total
Investments)
137
Avantor
Funding,
Inc.,
Term
Loan
B5
7.332%
1-Month
LIBOR
2.250%
11/06/27
BB+
137,270
515
Curia
Global,
Inc.,
Term
Loan
8.848%
SOFR30A
+
SOFR90A
3.750%
8/30/26
B3
449,623
315
ICON
Luxembourg
S.A.R.L.,
Term
Loan
7.126%
SOFR90A
2.250%
7/01/28
BB+
315,508
Total
Life
Sciences
Tools
&
Services
902,401
Machinery
-
2.6%
(1.6%
of
Total
Investments)
941
Ali
Group
North
America
Corporation,
Term
Loan
B
7.097%
SOFR30A
2.000%
10/13/28
Baa3
938,758
725
Alliance
Laundry
Systems
LLC,
Term
Loan
B
8.559%
3-Month
LIBOR
3.500%
10/08/27
B
721,917
235
Chart
Industries,
Inc.,
Term
Loan
B
8.740%
TSFR1M
3.750%
12/08/29
Ba3
235,442
673
Gardner
Denver,
Inc.,
Term
Loan
B2
6.832%
SOFR30A
1.750%
2/28/27
BBB-
670,464
736
Gates
Global
LLC,
Term
Loan
B3
7.582%
SOFR30A
2.500%
3/31/27
Ba3
734,399
162
Grinding
Media
Inc.,
Term
Loan
B
9.075%
SOFR90A
+
1
Month
LIBOR
4.000%
10/12/28
B
153,747
Total
Machinery
3,454,727
Media
-
8.4%
(5.1%
of
Total
Investments)
660
ABG
Intermediate
Holdings
2
LLC,
Term
Loan
B1
8.582%
SOFR30A
3.500%
12/21/28
B1
651,845
80
ABG
Intermediate
Holdings
2
LLC,
Term
Loan,
Second
Lien
11.082%
SOFR30A
6.000%
12/20/29
CCC+
74,400
955
Cengage
Learning,
Inc.,
Term
Loan
B
9.880%
3-Month
LIBOR
4.750%
7/14/26
B
934,483
65
Checkout
Holding
Corp.,
First
Out
Term
Loan
14.525%
1-Month
LIBOR
7.500%
2/15/24
N/R
39,308
130
Checkout
Holding
Corp.,
Last
Out
Term
Loan
,
(cash
2.000,
PIK
9.500%)
8.762%
1-Month
LIBOR
6.250%
8/15/23
N/R
8,063
2,395
Clear
Channel
Outdoor
Holdings,
Inc.,
Term
Loan
B
8.807%
3-Month
LIBOR
3.500%
8/21/26
B1
2,260,281
31
CSC
Holdings,
LLC,
Term
Loan
7.198%
1-Month
LIBOR
2.250%
1/15/26
B1
29,436
175
CSC
Holdings,
LLC,
Term
Loan
B1
7.198%
1-Month
LIBOR
2.250%
7/17/25
B1
167,229
75
CSC
Holdings,
LLC,
Term
Loan
B5
7.448%
1-Month
LIBOR
2.500%
4/15/27
B1
66,391
604
CSC
Holdings,
LLC,
Term
Loan
B6
9.390%
TSFR1M
4.500%
1/18/28
B1
557,077
108
Cumulus
Media
New
Holdings
Inc.,
Term
Loan
B
8.775%
1-Month
LIBOR
3.750%
3/31/26
B
96,936
1,833
DirecTV
Financing,
LLC,
Term
Loan
10.025%
1-Month
LIBOR
5.000%
8/02/27
BBB-
1,764,200
236
Dotdash
Meredith
Inc,
Term
Loan
B
8.903%
SOFR30A
4.000%
12/01/28
B+
216,983
480
E.W.
Scripps
Company
(The),
Term
Loan
B2
7.659%
SOFR30A
2.563%
5/01/26
BB
466,962
505
Formula
One
Holdings
Limited.,
Term
Loan
B
8.232%
SOFR30A
3.250%
1/15/30
BB+
506,452
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
10
JSD
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Media
(continued)
$
1,293
iHeartCommunications,
Inc.,
Term
Loan
8.025%
1-Month
LIBOR
3.000%
5/01/26
BB-
$
1,120,728
4
LCPR
Loan
Financing
LLC,
Term
Loan
B
8.698%
1-Month
LIBOR
3.750%
10/15/28
BB+
4,239
798
McGraw-Hill
Global
Education
Holdings,
LLC,
Term
Loan
9.797%
3
+
6
Month
LIBOR
4.750%
7/30/28
BB+
771,128
306
Nexstar
Broadcasting,
Inc.,
Term
Loan
B4
7.525%
1-Month
LIBOR
2.500%
9/18/26
BBB-
305,416
122
Outfront
Media
Capital
LLC,
Term
Loan
B
6.775%
1-Month
LIBOR
1.750%
11/18/26
Ba1
120,945
250
Radiate
Holdco,
LLC,
Term
Loan
B
,
(WI/DD)
TBD
TBD
TBD
TBD
B3
207,658
51
Red
Ventures
LLC,
Term
Loan
B
7.982%
SOFR30A
3.000%
2/23/30
BB-
50,132
338
Sinclair
Television
Group
Inc.,
Term
Loan
B2B
7.530%
1-Month
LIBOR
2.500%
9/30/26
Ba2
305,664
150
Virgin
Media
Bristol
LLC,
Term
Loan
Y
8.113%
SOFR180A
3.250%
3/06/31
BB-
147,788
417
Ziggo
Financing
Partnership,
Term
Loan
I
7.448%
1-Month
LIBOR
2.500%
4/30/28
BB
409,949
Total
Media
11,283,693
Oil,
Gas
&
Consumable
Fuels
-
4.4%
(2.7%
of
Total
Investments)
635
BCP
Renaissance
Parent
LLC,
Term
Loan
B3
8.398%
SOFR90A
3.500%
10/31/26
B+
631,575
626
Buckeye
Partners,
L.P.,
Term
Loan
B
7.090%
1-Month
LIBOR
2.250%
11/01/26
BBB-
626,180
158
EG
America
LLC,
Term
Loan
9.025%
1-Month
LIBOR
4.000%
2/05/25
B-
153,047
1,142
Freeport
LNG
Investments,
LLLP,
Term
Loan
A
8.250%
3-Month
LIBOR
3.000%
11/16/26
N/R
1,106,698
904
Gulf
Finance,
LLC,
Term
Loan
11.770%
SOFR30A
+
TSFR1M
6.750%
8/25/26
B
878,453
–
(7)
M6
ETX
Holdings
II
Midco
LLC,
Term
Loan
B
9.546%
SOFR30A
4.500%
8/11/29
BB
140
205
Oryx
Midstream
Services
Permian
Basin
LLC,
Term
Loan
8.193%
SOFR30A
3.250%
10/05/28
BB
203,114
864
QuarterNorth
Energy
Holding
Inc.,
Exit
Term
Loan,
Second
Lien
13.025%
1-Month
LIBOR
8.000%
8/27/26
B
862,498
430
TransMontaigne
Operating
Company
L.P.,
Term
Loan
B
8.517%
1-Month
LIBOR
3.500%
11/05/28
BB-
426,173
1,057
Traverse
Midstream
Partners
LLC,
Term
Loan
8.865%
SOFR90A
+
TSFR3M
4.000%
9/27/24
B+
1,046,648
Total
Oil,
Gas
&
Consumable
Fuels
5,934,526
Paper
&
Forest
Products
-
0.1%
(0.0%
of
Total
Investments)
110
Asplundh
Tree
Expert,
LLC,
Term
Loan
B
6.775%
1-Month
LIBOR
1.750%
9/04/27
BBB-
110,115
Total
Paper
&
Forest
Products
110,115
Passenger
Airlines
-
4.5%
(2.8%
of
Total
Investments)
742
AAdvantage
Loyalty
IP
Ltd.,
Term
Loan
10.000%
3-Month
LIBOR
4.750%
4/20/28
Ba2
747,925
273
Air
Canada,
Term
Loan
B
8.369%
3-Month
LIBOR
3.500%
8/11/28
Ba2
273,494
755
American
Airlines,
Inc.,
Term
Loan,
First
Lien
8.260%
SOFR90A
+
6
Month
LIBOR
2.625%
1/29/27
Ba3
736,110
1,578
Kestrel
Bidco
Inc.,
Term
Loan
B
8.064%
TSFR1M
3.000%
12/11/26
B+
1,497,353
11
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Passenger
Airlines
(continued)
$
336
Mileage
Plus
Holdings
LLC,
Term
Loan
B
10.213%
3-Month
LIBOR
5.250%
6/20/27
Baa3
$
349,902
1,683
SkyMiles
IP
Ltd.,
Term
Loan
B
8.798%
SOFR90A
3.750%
10/20/27
Baa1
1,746,230
735
United
Airlines,
Inc.,
Term
Loan
B
8.770%
1-Month
LIBOR
3.750%
4/21/28
Ba1
733,850
Total
Passenger
Airlines
6,084,864
Personal
Care
Products
-
0.5%
(0.3%
of
Total
Investments)
142
Conair
Holdings,
LLC,
Term
Loan
B
8.909%
3-Month
LIBOR
3.750%
5/17/28
B-
132,979
69
Coty
Inc.,
Term
Loan
B
7.197%
1-Month
LIBOR
2.250%
4/05/25
BB
68,881
274
Kronos
Acquisition
Holdings
Inc.,
Term
Loan
B
,
(DD1)
8.703%
3-Month
LIBOR
3.750%
12/22/26
B2
268,309
180
Kronos
Acquisition
Holdings
Inc.,
Term
Loan,
First
Lien
11.023%
SOFR90A
6.000%
12/22/26
B2
177,301
Total
Personal
Care
Products
647,470
Pharmaceuticals
-
3.6%
(2.2%
of
Total
Investments)
303
Catalent
Pharma
Solutions
Inc.,
Term
Loan
B3
7.063%
1-Month
LIBOR
2.000%
2/22/28
BBB-
300,900
298
Elanco
Animal
Health
Incorporated,
Term
Loan
B
6.653%
TSFR1M
1.750%
8/01/27
BB+
290,660
2,026
Jazz
Financing
Lux
S.a.r.l.,
Term
Loan
8.525%
1-Month
LIBOR
3.500%
5/05/28
BB+
2,025,422
477
Mallinckrodt
International
Finance
S.A.,
Term
Loan
10.448%
1-Month
LIBOR
5.500%
9/30/27
B3
341,995
923
Mallinckrodt
International
Finance
S.A.,
Term
Loan
10.198%
1-Month
LIBOR
5.250%
9/30/27
B3
661,621
1,007
Organon
&
Co,
Term
Loan
7.986%
3-Month
LIBOR
3.000%
6/02/28
BB
1,006,627
271
Perrigo
Investments,
LLC,
Term
Loan
B
7.332%
SOFR30A
2.350%
4/05/29
BB+
270,050
Total
Pharmaceuticals
4,897,275
Professional
Services
-
2.2%
(1.3%
of
Total
Investments)
187
CHG
Healthcare
Services
Inc.,
Term
Loan
8.275%
1-Month
LIBOR
3.250%
9/30/28
B1
186,284
399
Dun
&
Bradstreet
Corporation
(The),
Term
Loan
8.268%
1-Month
LIBOR
3.250%
2/08/26
BB+
399,068
719
EAB
Global,
Inc.,
Term
Loan
8.723%
1
+
3
Month
LIBOR
3.500%
8/16/28
B2
703,780
217
Physician
Partners
LLC,
Term
Loan
9.048%
SOFR90A
4.000%
2/01/29
B
206,299
681
Travelport
Finance
(Luxembourg)
S.a.r.l.,
Term
Loan
,
(cash
3.500%,
PIK
6.500%)
6.525%
1-Month
LIBOR
1.500%
2/28/25
B-
690,325
739
Verscend
Holding
Corp.,
Term
Loan
B
9.025%
1-Month
LIBOR
4.000%
8/27/25
BB-
739,413
Total
Professional
Services
2,925,169
Real
Estate
Management
&
Development
-
0.3%
(0.2%
of
Total
Investments)
256
Cushman
&
Wakefield
U.S.
Borrower,
LLC,
Term
Loan
8.332%
SOFR30A
3.250%
1/31/30
BB
248,226
203
Cushman
&
Wakefield
U.S.
Borrower,
LLC,
Term
Loan
B
7.775%
1-Month
LIBOR
2.750%
8/21/25
BB
199,603
Total
Real
Estate
Management
&
Development
447,829
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
12
JSD
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Semiconductors
&
Semiconductor
Equipment
-
0.2%
(0.1%
of
Total
Investments)
$
393
Bright
Bidco
B.V.,
Term
Loan
7.034%
SOFR90A
+
3
Month
LIBOR
4.500%
10/31/27
B-
$
250,203
Total
Semiconductors
&
Semiconductor
Equipment
250,203
Software
-
17.2%
(10.5%
of
Total
Investments)
263
Apttus
Corporation,
Term
Loan
9.523%
3-Month
LIBOR
4.250%
5/06/28
BB
257,139
925
Avaya,
Inc.,
Term
Loan
12.890%
TSFR1M
8.000%
8/15/23
N/R
957,023
84
Avaya,
Inc.,
Term
Loan
14.827%
SOFR30A
10.000%
12/15/27
D
20,640
241
Avaya,
Inc.,
Term
Loan
12.528%
TSFR3M
7.500%
8/01/28
N/R
241,049
833
Banff
Merger
Sub
Inc,
Term
Loan
8.775%
1-Month
LIBOR
3.750%
10/02/25
B2
824,132
235
Camelot
U.S.
Acquisition
LLC,
Term
Loan
B
8.025%
1-Month
LIBOR
3.000%
10/31/26
B+
234,946
212
Camelot
U.S.
Acquisition
LLC,
Term
Loan
B
8.025%
1-Month
LIBOR
3.000%
10/31/26
B+
212,244
163
CCC
Intelligent
Solutions
Inc.,
Term
Loan
B
7.275%
1-Month
LIBOR
2.250%
9/21/28
B+
162,469
708
CDK
Global,
Inc.,
Term
Loan
B
9.148%
SOFR90A
4.250%
6/09/29
B+
708,413
946
Ceridian
HCM
Holding
Inc.,
Term
Loan
B
7.525%
1-Month
LIBOR
2.500%
4/30/25
Ba3
945,377
995
DTI
Holdco,
Inc.,
Term
Loan
9.795%
SOFR90A
4.750%
4/21/29
B2
924,106
1,905
Epicor
Software
Corporation,
Term
Loan
8.275%
1-Month
LIBOR
3.250%
7/31/27
B2
1,883,881
809
Finastra
USA,
Inc.,
Term
Loan,
First
Lien
8.655%
2-Month
LIBOR
3.500%
6/13/24
B
773,516
1,814
Greeneden
U.S.
Holdings
II,
LLC,
Term
Loan
B4
8.217%
1
+
3
Month
LIBOR
3.125%
12/01/27
B2
1,799,708
154
Greenway
Health,
LLC,
Term
Loan,
First
Lien
8.960%
3-Month
LIBOR
3.750%
2/16/24
Caa1
115,921
1,386
Informatica
LLC,
Term
Loan
B
7.813%
1-Month
LIBOR
2.750%
10/14/28
BB-
1,384,614
341
iQor
US
Inc.,
Second
Out
Term
Loan
12.525%
1-Month
LIBOR
7.500%
11/19/25
CCC+
256,693
717
McAfee,
LLC,
Term
Loan
B
8.653%
SOFR30A
3.750%
2/03/29
BB+
677,859
1,556
NortonLifeLock
Inc.,
Term
Loan
B
7.082%
SOFR30A
2.000%
1/28/29
BBB-
1,541,336
2,070
Open
Text
Corporation,
Term
Loan
B
,
(DD1)
8.582%
SOFR30A
3.500%
8/25/29
BBB-
2,071,106
245
Project
Ruby
Ultimate
Parent
Corp.,
Term
Loan
8.347%
1-Month
LIBOR
3.250%
3/10/28
B
237,879
371
Proofpoint,
Inc.,
Term
Loan,
First
Lien
8.275%
1-Month
LIBOR
3.250%
8/31/28
BB-
363,649
280
Quartz
Acquireco
LLC,
Term
Loan
,
(WI/DD)
TBD
TBD
TBD
TBD
BB+
279,125
40
RealPage,
Inc,
Term
Loan,
First
Lien
8.025%
1-Month
LIBOR
3.000%
4/22/28
B+
38,838
536
Sophia,
L.P.,
Term
Loan
B
8.659%
3-Month
LIBOR
3.500%
10/07/27
B2
529,508
399
SS&C
European
Holdings
Sarl,
Term
Loan
B4
6.775%
1-Month
LIBOR
1.750%
4/16/25
BB+
399,143
450
SS&C
Technologies
Inc.,
Term
Loan
B3
6.775%
1-Month
LIBOR
1.750%
4/16/25
BB+
450,103
914
SS&C
Technologies
Inc.,
Term
Loan
B5
6.775%
1-Month
LIBOR
1.750%
4/16/25
BB+
913,010
119
SS&C
Technologies
Inc.,
Term
Loan
B6
7.332%
SOFR30A
2.250%
3/22/29
BB+
118,440
179
SS&C
Technologies
Inc.,
Term
Loan
B7
7.332%
SOFR30A
2.250%
3/22/29
BB+
178,487
859
Ultimate
Software
Group
Inc
(The),
Term
Loan
8.271%
SOFR90A
3.250%
5/03/26
B1
838,240
13
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Software
(continued)
$
483
Ultimate
Software
Group
Inc
(The),
Term
Loan
B
8.895%
SOFR90A
3.750%
5/03/26
B1
$
475,427
373
Vision
Solutions,
Inc.,
Term
Loan
9.255%
3-Month
LIBOR
4.000%
5/28/28
B2
333,131
1,184
Zelis
Healthcare
Corporation,
Term
Loan
8.525%
1-Month
LIBOR
3.500%
9/30/26
B
1,179,744
827
ZoomInfo
LLC,
Term
Loan
B
7.832%
SOFR30A
2.750%
2/01/30
Ba1
829,693
Total
Software
23,156,589
Specialty
Retail
-
4.7%
(2.9%
of
Total
Investments)
242
Academy,
Ltd.,
Term
Loan
8.598%
1-Month
LIBOR
3.750%
11/06/27
BB
242,955
777
Avis
Budget
Car
Rental,
LLC,
Term
Loan
B
6.847%
SOFR30A
1.750%
8/06/27
BB+
771,788
451
Avis
Budget
Car
Rental,
LLC,
Term
Loan
C
8.582%
SOFR30A
3.500%
3/15/29
BB+
451,633
210
Belron
Finance
US
LLC,
Term
Loan
7.832%
SOFR90A
2.750%
4/06/29
Ba2
209,869
84
Driven
Holdings,
LLC,
Term
Loan
B
7.953%
1-Month
LIBOR
3.000%
12/17/28
B3
82,677
600
Jo-Ann
Stores,
Inc.,
Term
Loan
B1
10.018%
3-Month
LIBOR
4.750%
6/30/28
CCC+
331,184
575
LBM
Acquisition
LLC,
Term
Loan
B
8.775%
1-Month
LIBOR
3.750%
12/18/27
B+
535,989
214
Les
Schwab
Tire
Centers,
Term
Loan
B
8.064%
3-Month
LIBOR
3.250%
11/02/27
B
213,191
2,702
PetSmart,
Inc.,
Term
Loan
B
8.832%
SOFR30A
3.750%
2/12/28
BB
2,693,432
577
Restoration
Hardware,
Inc.,
Term
Loan
B
7.525%
1-Month
LIBOR
2.500%
10/15/28
BB-
536,213
143
SRS
Distribution
Inc.,
Term
Loan
8.471%
SOFR30A
3.500%
6/04/28
B-
136,983
200
Staples,
Inc.,
Term
Loan
9.814%
3-Month
LIBOR
5.000%
4/12/26
B
180,972
Total
Specialty
Retail
6,386,886
Technology
Hardware,
Storage
&
Peripherals
-
0.3%
(0.2%
of
Total
Investments)
383
NCR
Corporation,
Term
Loan
7.780%
3-Month
LIBOR
2.500%
8/28/26
BB+
378,201
Total
Technology
Hardware,
Storage
&
Peripherals
378,201
Textiles,
Apparel
&
Luxury
Goods
-
0.4%
(0.3%
of
Total
Investments)
508
Birkenstock
GmbH
&
Co.
KG,
Term
Loan
B
8.064%
3-Month
LIBOR
3.250%
4/28/28
BB-
504,794
98
New
Trojan
Parent,
Inc.,
Term
Loan,
First
Lien
8.236%
1-Month
LIBOR
3.250%
1/06/28
B-
66,873
Total
Textiles,
Apparel
&
Luxury
Goods
571,667
Trading
Companies
&
Distributors
-
0.6%
(0.4%
of
Total
Investments)
493
Core
&
Main
LP,
Term
Loan
B
7.644%
SOFR30A
+
SOFR90A
2.500%
6/10/28
B+
490,222
382
Resideo
Funding
Inc.,
Term
Loan
7.180%
1
+
2
+
3
Month
LIBOR
2.250%
2/12/28
BBB-
381,784
Total
Trading
Companies
&
Distributors
872,006
Transportation
Infrastructure
-
1.2%
(0.7%
of
Total
Investments)
919
Brown
Group
Holding,
LLC,
Term
Loan
B
7.582%
SOFR30A
2.500%
4/22/28
B+
901,325
299
Brown
Group
Holding,
LLC,
Term
Loan
B2
8.764%
SOFR30A
3.750%
6/09/29
B+
297,463
395
KKR
Apple
Bidco,
LLC,
Term
Loan
7.775%
1-Month
LIBOR
2.750%
9/23/28
B+
390,681
Total
Transportation
Infrastructure
1,589,469
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
14
JSD
Principal
Amount
(000)
Description
(1)
Coupon
(2)
Reference
Rate
(2)
Spread
(2)
Maturity
(3)
Ratings
(4)
Value
Wireless
Telecommunication
Services
-
1.5%
(0.9%
of
Total
Investments)
$
491
GOGO
Intermediate
Holdings
LLC,
Term
Loan
B
8.847%
SOFR30A
3.750%
4/30/28
B+
$
487,828
1,510
Intelsat
Jackson
Holdings
S.A.,
Term
Loan
B
9.082%
SOFR90A
4.250%
1/27/29
BB+
1,493,299
Total
Wireless
Telecommunication
Services
1,981,127
Total
Variable
Rate
Senior
Loan
Interests
(cost
$181,618,993)
172,766,082
Principal
Amount
(000)
Description
(1)
Coupon
Maturity
Ratings
(4)
Value
X
32,924,135
CORPORATE
BONDS
-
24.5%
(15.0%
of
Total
Investments)
X
32,924,135
Aerospace
&
Defense
-
0.3%
(0.2%
of
Total
Investments)
$
510
TransDigm
Inc
4.625%
1/15/29
B-
$
461,550
Total
Aerospace
&
Defense
461,550
Automobile
Components
-
0.5%
(0.3%
of
Total
Investments)
730
Adient
Global
Holdings
Ltd,
144A
4.875%
8/15/26
BB-
701,411
Total
Automobile
Components
701,411
Chemicals
-
1.3%
(0.8%
of
Total
Investments)
600
Celanese
US
Holdings
LLC
5.900%
7/05/24
BBB-
600,661
380
Rayonier
AM
Products
Inc,
144A
7.625%
1/15/26
B+
338,200
899
Trinseo
Materials
Operating
SCA
/
Trinseo
Materials
Finance
Inc,
144A
5.375%
9/01/25
B2
753,470
Total
Chemicals
1,692,331
Commercial
Services
&
Supplies
-
1.0%
(0.6%
of
Total
Investments)
500
Prime
Security
Services
Borrower
LLC
/
Prime
Finance
Inc,
144A
3.375%
8/31/27
BB-
446,822
384
Prime
Security
Services
Borrower
LLC
/
Prime
Finance
Inc,
144A
5.750%
4/15/26
BB-
381,106
507
Prime
Security
Services
Borrower
LLC
/
Prime
Finance
Inc,
144A
6.250%
1/15/28
B-
474,824
Total
Commercial
Services
&
Supplies
1,302,752
Communications
Equipment
-
1.3%
(0.8%
of
Total
Investments)
3,434
Avaya
Inc,
144A
(5),(8)
6.125%
9/15/28
D
910,010
340
Commscope
Inc,
144A
4.750%
9/01/29
B1
274,566
300
Commscope
Inc,
144A
7.125%
7/01/28
CCC+
215,250
375
Commscope
Inc,
144A
8.250%
3/01/27
CCC+
289,919
Total
Communications
Equipment
1,689,745
Containers
&
Packaging
-
0.1%
(0.1%
of
Total
Investments)
200
Pactiv
Evergreen
Group
Issuer
Inc/Pactiv
Evergreen
Group
Issuer
LLC,
144A
4.375%
9/30/28
B+
176,122
Total
Containers
&
Packaging
176,122
Diversified
Telecommunication
Services
-
1.2%
(0.8%
of
Total
Investments)
220
Frontier
Communications
Holdings
LLC,
144A
5.000%
5/01/28
BB+
193,185
300
Frontier
Communications
Holdings
LLC
5.875%
11/01/29
CCC+
228,180
340
Frontier
Communications
Holdings
LLC,
144A
6.000%
1/15/30
BB-
260,070
1,037
Frontier
Communications
Holdings
LLC,
144A
5.875%
10/15/27
BB+
954,542
Total
Diversified
Telecommunication
Services
1,635,977
Electric
Utilities
-
1.0%
(0.6%
of
Total
Investments)
1,175
Bruce
Mansfield
Unit
1
2007
Pass
Through
Trust
(5)
6.850%
6/01/34
N/R
12
330
Pacific
Gas
and
Electric
Co
4.550%
7/01/30
BBB
306,675
314
PG&E
Corp
5.000%
7/01/28
BB+
295,464
15
Principal
Amount
(000)  
Description
(1)
Coupon
Maturity
Ratings
(4)
Value
Electric
Utilities
(continued)
$
750
Talen
Energy
Supply
LLC,
144A
(5)
7.250%
5/15/27
N/R
$
780,000
Total
Electric
Utilities
1,382,151
Energy
Equipment
&
Services
-
1.4%
(0.8%
of
Total
Investments)
800
Shelf
Drilling
Holdings
Ltd,
144A
8.875%
11/15/24
B1
800,000
500
Shelf
Drilling
Holdings
Ltd,
144A
8.250%
2/15/25
CCC+
455,000
250
Transocean
Inc,
144A
11.500%
1/30/27
CCC+
255,870
300
Weatherford
International
Ltd,
144A
8.625%
4/30/30
B
305,586
Total
Energy
Equipment
&
Services
1,816,456
Entertainment
-
1.1%
(0.7%
of
Total
Investments)
1,915
AMC
Entertainment
Holdings
Inc,
144A
,
(cash
10.000%,
PIK
12.000%)
10.000%
6/15/26
CCC-
1,293,152
1,030
Diamond
Sports
Group
LLC
/
Diamond
Sports
Finance
Co,
144A
(5)
5.375%
8/15/26
N/R
69,525
1,775
Diamond
Sports
Group
LLC
/
Diamond
Sports
Finance
Co,
144A
(5)
6.625%
8/15/27
N/R
53,250
Total
Entertainment
1,415,927
Health
Care
Equipment
&
Supplies
-
0.2%
(0.1%
of
Total
Investments)
340
Mozart
Debt
Merger
Sub
Inc,
144A
3.875%
4/01/29
BB-
297,484
Total
Health
Care
Equipment
&
Supplies
297,484
Health
Care
Providers
&
Services
-
0.9%
(0.5%
of
Total
Investments)
50
HCA
Inc
5.375%
2/01/25
BBB-
50,025
200
Select
Medical
Corp,
144A
6.250%
8/15/26
B-
195,887
725
Tenet
Healthcare
Corp
6.125%
10/01/28
B+
703,401
201
Tenet
Healthcare
Corp
4.875%
1/01/26
BB-
197,956
Total
Health
Care
Providers
&
Services
1,147,269
Hotels,
Restaurants
&
Leisure
-
1.4%
(0.9%
of
Total
Investments)
205
1011778
BC
ULC
/
New
Red
Finance
Inc,
144A
3.500%
2/15/29
BB+
184,275
1,063
BC
ULC
/
New
Red
Finance
Inc,
144A
4.000%
10/15/30
B+
927,979
267
Caesars
Entertainment
Inc,
144A
6.250%
7/01/25
Ba3
267,326
305
Carnival
Holdings
Bermuda
Ltd,
144A
10.375%
5/01/28
B+
327,901
201
Life
Time
Inc,
144A
5.750%
1/15/26
B+
196,283
Total
Hotels,
Restaurants
&
Leisure
1,903,764
Independent
Power
Producers
&
Energy
Traders
-
0.7%
(0.5%
of
Total
Investments)
668
Talen
Energy
Supply
LLC,
144A
(5)
7.625%
6/01/28
N/R
698,060
300
Ziggo
Bond
Co
BV,
144A
6.000%
1/15/27
B-
284,615
Total
Independent
Power
Producers
&
Energy
Traders
982,675
Insurance
-
0.2%
(0.1%
of
Total
Investments)
190
Alliant
Holdings
Intermediate
LLC
/
Alliant
Holdings
Co-
Issuer,
144A
6.750%
4/15/28
B2
189,760
105
Alliant
Holdings
Intermediate
LLC
/
Alliant
Holdings
Co-
Issuer,
144A
4.250%
10/15/27
B
96,132
Total
Insurance
285,892
Interactive
Media
&
Services
-
0.2%
(0.1%
of
Total
Investments)
746
Rackspace
Technology
Global
Inc,
144A
3.500%
2/15/28
B-
309,590
Total
Interactive
Media
&
Services
309,590
Internet
Software
&
Services
-
0.3%
(0.2%
of
Total
Investments)
1,793
Rackspace
Technology
Global
Inc,
144A
5.375%
12/01/28
CCC+
425,479
Total
Internet
Software
&
Services
425,479
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
16
JSD
Principal
Amount
(000)  
Description
(1)
Coupon
Maturity
Ratings
(4)
Value
Media
-
3.0%
(1.8%
of
Total
Investments)
$
1,400
Charter
Communications
Operating
LLC
/
Charter
Communications
Operating
Capital
3.500%
3/01/42
BBB-
$
945,393
1,273
CSC
Holdings
LLC,
144A
3.375%
2/15/31
B1
874,813
1,075
iHeartCommunications
Inc,
144A
5.250%
8/15/27
BB-
849,066
3
iHeartCommunications
Inc
6.375%
5/01/26
BB-
2,182
145
LCPR
Senior
Secured
Financing
DAC,
144A
5.125%
7/15/29
BB+
124,194
465
McGraw-Hill
Education
Inc,
144A
5.750%
8/01/28
BB+
413,021
980
VZ
Secured
Financing
BV,
144A
5.000%
1/15/32
BB
817,828
Total
Media
4,026,497
Metals
&
Mining
-
0.2%
(0.1%
of
Total
Investments)
320
First
Quantum
Minerals
Ltd,
144A
6.875%
10/15/27
B+
310,672
Total
Metals
&
Mining
310,672
Oil,
Gas
&
Consumable
Fuels
-
3.7%
(2.3%
of
Total
Investments)
500
Calumet
Specialty
Products
Partners
LP
/
Calumet
Finance
Corp,
144A
8.125%
1/15/27
B-
483,910
1,150
Citgo
Holding
Inc,
144A
9.250%
8/01/24
B+
1,158,315
385
Citgo
Petroleum
Corp,
144A
7.000%
6/15/25
BB
383,075
201
Hilcorp
Energy
I
LP
/
Hilcorp
Finance
Co,
144A
6.250%
11/01/28
BB+
192,508
201
MEG
Energy
Corp,
144A
5.875%
2/01/29
BB-
192,983
1,012
NGL
Energy
Operating
LLC
/
NGL
Energy
Finance
Corp,
144A
7.500%
2/01/26
B+
970,316
150
NGL
Energy
Partners
LP
/
NGL
Energy
Finance
Corp
6.125%
3/01/25
CCC
138,552
150
NGL
Energy
Partners
LP
/
NGL
Energy
Finance
Corp
7.500%
4/15/26
CCC
134,712
621
PBF
Holding
Co
LLC
/
PBF
Finance
Corp
7.250%
6/15/25
BB
618,671
750
PBF
Holding
Co
LLC
/
PBF
Finance
Corp
6.000%
2/15/28
BB
689,888
Total
Oil,
Gas
&
Consumable
Fuels
4,962,930
Passenger
Airlines
-
1.0%
(0.6%
of
Total
Investments)
560
American
Airlines
Inc,
144A
11.750%
7/15/25
Ba3
616,033
340
Delta
Air
Lines
Inc
3.750%
10/28/29
Baa3
304,124
201
United
Airlines
Inc,
144A
4.375%
4/15/26
Ba1
191,959
267
United
Airlines
Inc,
144A
4.625%
4/15/29
Ba1
241,642
Total
Passenger
Airlines
1,353,758
Pharmaceuticals
-
0.2%
(0.1%
of
Total
Investments)
290
ORGANON
&
CO/ORG,
144A
5.125%
4/30/31
BB-
258,403
Total
Pharmaceuticals
258,403
Specialized
Reits
-
0.5%
(0.3%
of
Total
Investments)
1,050
American
Tower
Corp
2.950%
1/15/51
BBB+
676,368
Total
Specialized
Reits
676,368
Specialty
Retail
-
1.7%
(1.0%
of
Total
Investments)
1,625
Hertz
Corp/The,
144A
4.625%
12/01/26
B+
1,463,573
680
Michaels
Cos
Inc/The,
144A
7.875%
5/01/29
CCC
455,845
250
PetSmart
Inc
/
PetSmart
Finance
Corp,
144A
4.750%
2/15/28
BB
236,287
100
PetSmart
Inc
/
PetSmart
Finance
Corp,
144A
7.750%
2/15/29
B-
98,613
Total
Specialty
Retail
2,254,318
Wireless
Telecommunication
Services
-
1.1%
(0.7%
of
Total
Investments)
880
Vmed
O2
UK
Financing
I
PLC,
144A
4.250%
1/31/31
BB+
729,445
851
Vmed
O2
UK
Financing
I
PLC,
144A
4.750%
7/15/31
BB+
725,169
Total
Wireless
Telecommunication
Services
1,454,614
Total
Corporate
Bonds
(cost
$37,838,326)
32,924,135
17
Shares
Description
(1)
Value
X
6,490,439
COMMON
STOCKS
-
4.8%
(2.9%
of
Total
Investments)
X
6,490,439
Banks
-
0.0%
(0.0%
of
Total
Investments)
12,051
iQor
US
Inc
(9)
$
4,519
Total
Banks
4,519
Broadline
Retail
-
0.0%
(0.0%
of
Total
Investments)
140
Belk
Inc
(8),(9)
1,120
Total
Broadline
Retail
1,120
Communications
Equipment
-
0.0%
(0.0%
of
Total
Investments)
5,845
Windstream
Services
PE
LLC
(9)
59,911
Total
Communications
Equipment
59,911
Construction
&
Engineering
-
0.0%
(0.0%
of
Total
Investments)
1,438
TNT
Crane
&
Rigging
Inc
(9)
288
811
TNT
Crane
&
Rigging
Inc
(9)
5,407
Total
Construction
&
Engineering
5,695
Diversified
Consumer
Services
-
0.1%
(0.1%
of
Total
Investments)
9,343
Cengage
Learning
Holdings
II
Inc
(9)
100,437
Total
Diversified
Consumer
Services
100,437
Diversified
Telecommunication
Services
-
0.0%
(0.0%
of
Total
Investments)
3,347
Windstream
Services
PE
LLC
(9)
34,307
Total
Diversified
Telecommunication
Services
34,307
Energy
Equipment
&
Services
-
2.5%
(1.5%
of
Total
Investments)
22,321
Quarternorth
Energy
Holding
Inc
(9)
3,087,731
28,730
Transocean
Ltd
(9)
169,507
3,779
Vantage
Drilling
International
(9)
61,881
Total
Energy
Equipment
&
Services
3,319,119
Health
Care
Equipment
&
Supplies
-
0.1%
(0.0%
of
Total
Investments)
25,918
Onex
Carestream
Finance
LP
(9)
90,713
Total
Health
Care
Equipment
&
Supplies
90,713
Health
Care
Providers
&
Services
-
0.0%
(0.0%
of
Total
Investments)
11,533
Millennium
Health
LLC
(8),(9)
496
12,290
Millennium
Health
LLC
(8),(9)
1,757
Total
Health
Care
Providers
&
Services
2,253
Hotels,
Restaurants
&
Leisure
-
0.0%
(0.0%
of
Total
Investments)
55,426
24
Hour
Fitness
Worldwide
Inc
(9)
277
116,526
24
Hour
Fitness
Worldwide
Inc
(9)
699
Total
Hotels,
Restaurants
&
Leisure
976
Independent
Power
and
Renewable
Electricity
Producers
-
1.5%
(0.9%
of
Total
Investments)
25,367
Energy
Harbor
Corp
(9),(10)
1,968,048
Total
Independent
Power
and
Renewable
Electricity
Producers
1,968,048
Marine
Transportation
-
0.0%
(0.0%
of
Total
Investments)
430
American
Commercial
Barge
Line
Holding
Corp
(9)
12,040
Total
Marine
Transportation
12,040
Media
-
0.0%
(0.0%
of
Total
Investments)
1,905
Catalina
Marketing
Corp
(8),(9)
2
2
Cumulus
Media
Inc,
Class
A
(9)
7
Total
Media
9
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
18
JSD
Shares
Description
(1)
Value
Oil,
Gas
&
Consumable
Fuels
-
0.6%
(0.4%
of
Total
Investments)
2,748
California
Resources
Corp
$
111,294
4,943
Chord
Energy
Corp
703,537
Total
Oil,
Gas
&
Consumable
Fuels
814,831
Professional
Services
-
0.0%
(0.0%
of
Total
Investments)
32,859
Skillsoft
Corp
(9)
40,417
Total
Professional
Services
40,417
Semiconductors
&
Semiconductor
Equipment
-
0.0%
(0.0%
of
Total
Investments)
5,481
Bright
Bidco
BV
(9)
16,442
7,487
Bright
Bidco
BV
(8),(9)
19,602
Total
Semiconductors
&
Semiconductor
Equipment
36,044
Total
Common
Stocks
(cost
$8,856,266)
6,490,439
Shares
Description
(1)
Value
X
1,639,448
WARRANTS
-
1.2%
(0.7%
of
Total
Investments)
X
1,639,448
Energy
Equipment
&
Services
-
1.1%
(0.7%
of
Total
Investments)
9,459
Quarternorth
Energy
Holding
Inc
$
1,308,492
18,744
Quarternorth
Energy
Holding
Inc
131,208
9,732
Quarternorth
Energy
Holding
Inc
87,588
Total
Energy
Equipment
&
Services
1,527,288
Entertainment
-
0.0%
(0.0%
of
Total
Investments)
45,953
Cineworld
Warrant
–
Total
Entertainment
–
Marine
Transportation
-
0.1%
(0.0%
of
Total
Investments)
1,279
American
Commercial
Barge
Line
Holding
Corp
51,160
1,682
American
Commercial
Barge
Line
Holding
Corp
37,004
452
American
Commercial
Barge
Line
Holding
Corp
12,656
18,502
American
Commercial
Barge
Line
LLC
(8)
4,625
14,069
American
Commercial
Barge
Line
LLC
(8)
4,924
Total
Marine
Transportation
110,369
Oil,
Gas
&
Consumable
Fuels
-
0.0%
(0.0%
of
Total
Investments)
188
California
Resources
Corp
1,790
Total
Oil,
Gas
&
Consumable
Fuels
1,790
Wireless
Telecommunication
Services
-
0.0%
(0.0%
of
Total
Investments)
1
Intelsat
SA/Luxembourg
1
Total
Wireless
Telecommunication
Services
1
Total
Warrants
(cost
$382,011)
1,639,448
Shares
Description
(1)
Coupon
Ratings
(4)
Value
108,091
CONVERTIBLE
PREFERRED
SECURITIES
-
0.1%
(0.1%
of
Total
Investments)
X
108,091
Communications
Equipment
-
0.0%
(0.0%
of
Total
Investments)
5,100
Riverbed
Technology
Inc
0.000%
N/R
$
51
Total
Communications
Equipment
51
19
Part
F
of
Form
N-PORT
was
prepared
in
accordance
with
U.S.
generally
accepted
accounting
principles
(“U.S.
GAAP”)
and
in
conformity
with
the
applicable
rules
and
regulations
of
the
U.S.
Securities
and
Exchange
Commission
(“SEC”)
related
to
interim
filings.
Part
F
of
Form
N-PORT
does
not
include
all
information
and
footnotes
required
by
U.S.
GAAP
for
complete
financial
statements.
Certain
footnote
disclosures
normally
included
in
financial
statements
prepared
in
accordance
with
U.S.
GAAP
have
been
condensed
or
omitted
from
this
report
pursuant
to
the
rules
of
the
SEC.
For
a
full
set
of
the
Fund’s
notes
to
financial
statements,
please
refer
to
the
Fund’s
most
recently
filed
annual
or
semi-annual
report.
Fair
Value
Measurements
The
Fund’s
investments
in
securities
are
recorded
at
their
estimated
fair
value
utilizing
valuation
methods
approved
by
the
Board
of
Directors/
Trustees.
Fair
value
is
defined
as
the
price
that
would
be
received
upon
selling
an
investment
or
transferring
a
liability
in
an
orderly
transaction
to
an
independent
buyer
in
the
principal
or
most
advantageous
market
for
the
investment.
U.S.
GAAP
establishes
the
three-tier
hierarchy
which
is
used
to
maximize
the
use
of
observable
market
data
and
minimize
the
use
of
unobservable
inputs
and
to
establish
classification
of
fair
value
measurements
for
disclosure
purposes.
Observable
inputs
reflect
the
assumptions
market
participants
would
use
in
pricing
the
asset
or
liability.
Observable
inputs
are
based
on
market
data
obtained
from
sources
independent
of
the
reporting
entity.
Unobservable
inputs
reflect
management’s
assumptions
about
the
assumptions
market
participants
would
use
in
pricing
the
asset
or
liability.
Unobservable
inputs
are
based
on
the
best
information
available
in
the
circumstances.
The
following
is
a
summary
of
the
three-tiered
hierarchy
of
valuation
input
levels.
Level
1
–
Inputs
are
unadjusted
and
prices
are
determined
using
quoted
prices
in
active
markets
for
identical
securities.
Level
2
–
Prices
are
determined
using
other
significant
observable
inputs
(including
quoted
prices
for
similar
securities,
interest
rates,
credit
spreads,
etc.).
Level
3
–
Prices
are
determined
using
significant
unobservable
inputs
(including
management’s
assumptions
in
determining
the
fair
value
of
investments).
The
following
table
summarizes
the
market
value
of
the
Fund's
investments
as
of
the
end
of
the
reporting
period,
based
on
the
inputs
used
to
value
them:
Shares  
Description
(1)
Coupon
Ratings
(4)
Value
Marine
Transportation
-
0.1%
(0.1%
of
Total
Investments)
1,821
American
Commercial
Barge
Line
Holding
Corp
0.000%
N/R
$
72,840
1,600
American
Commercial
Barge
Line
Holding
Corp
0.000%
N/R
35,200
Total
Marine
Transportation
108,040
Total
Convertible
Preferred
Securities
(cost
$188,458)
108,091
Total
Long-Term
Investments
(cost
$228,884,054)
213,928,195
Shares
Description
(1)
Coupon
Value
SHORT-TERM
INVESTMENTS
-
 4.7% (2.8%
of
Total
Investments) 
X
6,260,036
INVESTMENT
COMPANIES
-
4.7%
(2.8%
of
Total
Investments)
X
6,260,036
6,260,036
BlackRock
Liquidity
Funds
T-Fund
4.700%(11)
$
6,260,036
Total
Investment
Companies
(cost
$6,260,036)
6,260,036
Total
Short-Term
Investments
(cost
$6,260,036)
6,260,036
Total
Investments
(cost
$
235,144,090
)
-
163
.7
%
220,188,231
Borrowings
-
(12.7)%
(12),(13)
(
17,100,000
)
TFP
Shares,
Net
-
(51.8)%(14)
(
69,669,501
)
Other
Assets
&
Liabilities,
Net
-  0.8%
1,129,266
Net
Assets
Applicable
to
Common
Shares
-
100%
$
134,547,996
Level
1
Level
2
Level
3
Total
Long-Term
Investments:
Variable
Rate
Senior
Loan
Interests
$
–
$
172,766,082
$
–
$
172,766,082
Corporate
Bonds
–
32,014,125
910,010
32,924,135
Common
Stocks
1,024,762
5,442,700
22,977
6,490,439
Warrants
1,790
1,628,109
9,549
1,639,448
Convertible
Preferred
Securities
–
108,091
–
108,091
Short-Term
Investments:
Investment
Companies
6,260,036
–
–
6,260,036
Total
$
7,286,588
$
211,959,107
$
942,536
$
220,188,231
Nuveen
Short
Duration
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
April
30,
2023
(Unaudited)
20
JSD
For
Fund
portfolio
compliance
purposes,
the
Fund’s
industry
classifications
refer
to
any
one
or
more
of
the
industry
sub-classifications
used
by
one
or
more
widely
recognized
market
indexes
or
ratings
group
indexes,
and/or
as
defined
by
Fund
management.
This
definition
may
not
apply
for
purposes
of
this
report,
which
may
combine
industry
sub-classifications
into
sectors
for
reporting
ease.
(1)
All
percentages
shown
in
the
Portfolio
of
Investments
are
based
on
net
assets
applicable
to
common
shares
unless
otherwise
noted.
(2)
Senior
loans
generally
pay
interest
at
rates
which
are
periodically
adjusted
by
reference
to
a
base
short-term,
floating
lending
rate
(Reference
Rate)
plus
an
assigned
fixed
rate
(Spread).
These
floating
lending
rates
are
generally
(i)
the
lending
rate
referenced
by
the
London
Inter-Bank
Offered
Rate
("LIBOR"),
or
(ii)
the
prime
rate
offered
by
one
or
more
major
United
States
banks.
Senior
loans
may
be
considered
restricted
in
that
the
Fund
ordinarily
is
contractually
obligated
to
receive
approval
from
the
agent
bank
and/or
borrower
prior
to
the
disposition
of
a
senior
loan.
The
rate
shown
is
the
coupon
as
of
the
end
of
the
reporting
period.
(3)
Senior
loans
generally
are
subject
to
mandatory
and/or
optional
prepayment.
Because
of
these
mandatory
prepayment
conditions
and
because
there
may
be
significant
economic
incentives
for
a
borrower
to
prepay,
prepayments
of
senior
loans
may
occur.
As
a
result,
the
actual
remaining
maturity
of
senior
loans
held
may
be
substantially
less
than
the
stated
maturities
shown.
(4)
For
financial
reporting
purposes,
the
ratings
disclosed
are
the
highest
of
Standard
&
Poor’s
Group
(“Standard
&
Poor’s”),
Moody’s
Investors
Service,
Inc.
(“Moody’s”)
or
Fitch,
Inc.
(“Fitch”)
rating.
This
treatment
of
split-rated
securities
may
differ
from
that
used
for
other
purposes,
such
as
for
Fund
investment
policies.
Ratings
below
BBB
by
Standard
&
Poor’s,
Baa
by
Moody’s
or
BBB
by
Fitch
are
considered
to
be
below
investment
grade.
Holdings
designated
N/R
are
not
rated
by
any
of
these
national
rating
agencies.
(5)
Defaulted
security.
A
security
whose
issuer
has
failed
to
fully
pay
principal
and/or
interest
when
due,
or
is
under
the
protection
of
bankruptcy.
(6)
Investment,
or
portion
of
investment,
represents
an
outstanding
unfunded
senior
loan
commitment.
(7)
Principal
Amount
(000)
rounds
to
less
than
$1,000.
(8)
For
fair
value
measurement
disclosure
purposes,
investment
classified
as
Level
3.
(9)
Non-income
producing;
issuer
has
not
declared
an
ex-dividend
date
within
the
past
twelve
months.
(10)
Energy
Harbor
Corp
(ENGH)
common
stock
received
as
part
of
the
bankruptcy
settlements
during
February
2020
for
Bruce
Mansfield
Unit
1
2007
Pass-Through
Trust.
Various
funds
and
accounts
managed
by
Nuveen,
including
the
Fund,
collectively
are
a
substantial
minority
holder
of
ENGH’s
outstanding
shares
of
common
stock,
and
possess
certain
other
rights
with
respect
to
the
corporate
governance
of
ENGH.
Due
to
these
facts,
under
the
federal
securities
laws,
the
securities
of
ENGH
held
by
Nuveen
funds
and
accounts,
including
the
Fund,
cannot
be
sold
except
under
limited
conditions
(which
are
not  currently
satisfied).
The
Fund
is
therefore
unable
to
sell
such
shares
in
ordinary
secondary
market
transactions
at
this
time.
On
March
6,
2023
Vistra
Corp.
(“Vistra”)
announced
that
it
has
executed
a
definitive
agreement
with
Energy
Harbor
Corp.,
pursuant
to
which
Energy
Harbor
will
merge
with
and
into
a
newly-formed
subsidiary
of
Vistra.  The
companies
anticipate
closing
the
transaction
in
the
second
half
of
2023.  In
connection
with
the
transaction,
Nuveen
funds
and
accounts
expect
to
receive
a
combination
of
cash
and
shares
in
a
newly
formed
entity.
Nuveen
expects
these
shares
to
be
issued
in
a
private
transaction
and
may
have
reduced
secondary
market
liquidity.  The
transaction
is
subject
to
certain
regulatory
approvals
and
there
can
be
no
assurance
that
the
transaction
will
close.
(11)
The
rate
shown
is
the
annualized
seven-day
subsidized
yield
as
of
end
of
the
reporting
period.
(12)
Borrowings
as
a
percentage
of
Total
Investments
is
7.8%.
(13)
The
Fund
segregates
100%
of
its
eligible
investments
(excluding
any
investments
separately
pledged
as
collateral
for
specific
investments
in
derivatives,
when
applicable)
in
the
Portfolio
of
Investments
as
collateral
for
borrowings.
(14)
TFP
Shares,
Net
as
a
percentage
of
Total
Investments
is
31.6%.
144A
Investment
is
exempt
from
registration
under
Rule
144A
of
the
Securities
Act
of
1933,
as
amended.
These
investments
may
only
be
resold
in
transactions
exempt
from
registration,
which
are
normally
those
transactions
with
qualified
institutional
buyers.
DD1
Portion
of
investment
purchased
on
a
delayed
delivery
basis.
LIBOR
London
Inter-Bank
Offered
Rate
N/A
Not
Applicable.
PIK
Payment-in-kind
(“PIK”)
security.  Depending
on
the
terms
of
the
security,
income
may
be
received
in
the
form
of
cash,
securities,
or
a
combination
of
both.  The
PIK
rate
shown,
where
applicable,
represents
the
annualized
rate
of
the
last
PIK
payment
made
by
the
issuer
as
of
the
end
of
the
reporting
period.
REIT
Real
Estate
Investment
Trust
SOFR
180A
180
Day
Average
Secured
Overnight
Financing
Rate
SOFR
30A
30
Day
Average
Secured
Overnight
Financing
Rate
SOFR
90A
90
Day
Average
Secured
Overnight
Financing
Rate
TBD
Senior
loan
purchased
on
a
when-issued
or
delayed-delivery
basis.
Certain
details
associated
with
this
purchase
are
not
known
prior
to
the
settlement
date
of
the
transaction.
In
addition,
senior
loans
typically
trade
without
accrued
interest
and
therefore
a
coupon
rate
is
not
available
prior
to
settlement.
At
settlement,
if
still
unknown,
the
borrower
or
counterparty
will
provide
the
Fund
with
the
final
coupon
rate
and
maturity
date.
TSFR
1M
CME
Term
SOFR
1
Month
TSFR
3M
CME
Term
SOFR
3
Month
WI/DD
Purchased
on
a
when-issued
or
delayed
delivery
basis.
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