1
Nuveen
California
Select
Tax-Free
Income
Portfolio
Portfolio
of
Investments
May
31,
2024
(Unaudited)
NXC
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
LONG-TERM
INVESTMENTS
-
98.1% (99.3%
of
Total
Investments)  
X
84,995,074
MUNICIPAL
BONDS
-
98.1%  (99.3%
of
Total
Investments)
X
84,995,074
Consumer
Staples
-
0.2%
(0.2%
of
Total
Investments)
$
20
California
County
Tobacco
Securitization
Agency,
Tobacco
Settlement
Asset-Backed
Bonds,
Los
Angeles
County
Securitization
Corporation,
Series
2020A,
4.000%,
6/01/49
6/30
at
100.00
$
18,679
1,265
Golden
State
Tobacco
Securitization
Corporation,
California,
Tobacco
Settlement
Asset-Backed
Bonds,
Capital
Appreciation
Series
2021B-2,
0.000%,
6/01/66
12/31
at
27.75
138,344
Total
Consumer
Staples
157,023
Education
and
Civic
Organizations
-
0.5%
(0.5%
of
Total
Investments)
60
(c)
California
School
Finance
Authority,
School
Facility
Revenue
Bonds,
Alliance
for
College-Ready
Public
Schools
Project,
Series
2016A,
5.000%,
7/01/46
7/25
at
100.00
60,013
385
(c)
California
School
Finance
Authority,
School
Facility
Revenue
Bonds,
Alliance
for
College-Ready
Public
Schools
Project,
Series
2016C,
5.000%,
7/01/46
7/25
at
101.00
385,171
Total
Education
and
Civic
Organizations
445,184
Health
Care
-
11.6%
(11.7%
of
Total
Investments)
California
Health
Facilities
Financing
Authority,
California,
Revenue
Bonds,
Sutter
Health,
Refunding
Series
2016B:
2,590
5.000%,
11/15/46
11/26
at
100.00
2,638,373
1,000
California
Health
Facilities
Financing
Authority,
Revenue
Bonds,
Adventist
Health
System/West,
Refunding
Series
2016A,
4.000%,
3/01/39
3/26
at
100.00
965,834
1,240
California
Health
Facilities
Financing
Authority,
Revenue
Bonds,
City
of
Hope
National
Medical
Center,
Series
2019,
4.000%,
11/15/45
11/29
at
100.00
1,172,007
1,000
California
Health
Facilities
Financing
Authority,
Revenue
Bonds,
CommonSpirit
Health,
Series
2020A,
4.000%,
4/01/49
4/30
at
100.00
933,531
125
California
Health
Facilities
Financing
Authority,
Revenue
Bonds,
CommonSpirit
Health,
Series
2024A,
5.250%,
12/01/49
6/34
at
100.00
134,958
1,365
California
Health
Facilities
Financing
Authority,
Revenue
Bonds,
Kaiser
Permanente
System,
Series
2017A-2,
4.000%,
11/01/44
11/27
at
100.00
1,331,493
California
Health
Facilities
Financing
Authority,
Revenue
Bonds,
Providence
Health
&
Services,
Refunding
Series
2014A:
70
5.000%,
10/01/38
10/24
at
100.00
70,045
255
California
Health
Facilities
Financing
Authority,
Revenue
Bonds,
Providence
Health
&
Services,
Series
2014B,
5.000%,
10/01/44
10/24
at
100.00
255,201
450
California
Municipal
Finance
Authority,
Revenue
Bonds,
Community
Health
System,
Series
2021A,
4.000%,
2/01/51
-
AGM
Insured
2/32
at
100.00
425,820
35
California
Municipal
Finance
Authority,
Revenue
Bonds,
Eisenhower
Medical
Center,
Refunding
Series
2017A,
5.000%,
7/01/47
7/27
at
100.00
34,831
130
California
Municipal
Finance
Authority,
Revenue
Bonds,
NorthBay
Healthcare
Group,
Series
2017A,
5.250%,
11/01/41
11/26
at
100.00
125,691
150
California
Municipal
Financing
Authority,
Certificates
of
Participation,
Palomar
Health,
Series
2022A,
5.250%,
11/01/52
-
AGM
Insured
11/32
at
100.00
157,308
350
California
Statewide
Communities
Development
Authority,
California,
Revenue
Bonds,
Loma
Linda
University
Medical
Center,
Series
2014A,
5.250%,
12/01/34
12/24
at
100.00
351,710
1,365
(c)
California
Statewide
Communities
Development
Authority,
California,
Revenue
Bonds,
Loma
Linda
University
Medical
Center,
Series
2016A,
5.250%,
12/01/56
6/26
at
100.00
1,371,124
70
California
Statewide
Community
Development
Authority,
Health
Revenue
Bonds,
Enloe
Medical
Center,
Refunding
Series
2022A,
5.250%,
8/15/52
-
AGM
Insured
8/32
at
100.00
74,322
Total
Health
Care
10,042,248
Nuveen
California
Select
Tax-Free
Income
Portfolio
(continued)
Portfolio
of
Investments
May
31,
2024
(Unaudited)
2
NXC
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
Housing/Multifamily
-
8.7%
(8.8%
of
Total
Investments)
$
615
(c)
California
Community
Housing
Agency,
California,
Essential
Housing
Revenue
Bonds,
Creekwood,
Series
2021A,
4.000%,
2/01/56
8/31
at
100.00
$
409,633
590
(c)
California
Community
Housing
Agency,
California,
Essential
Housing
Revenue
Bonds,
Glendale
Properties,
Junior
Series
2021A-2,
4.000%,
8/01/47
8/31
at
100.00
474,547
800
(c)
California
Community
Housing
Agency,
California,
Essential
Housing
Revenue
Bonds,
Serenity
at
Larkspur
Apartments,
Series
2020A,
5.000%,
2/01/50
2/30
at
100.00
559,739
200
(c)
California
Community
Housing
Agency,
California,
Essential
Housing
Revenue
Bonds,
Stoneridge
Apartments,
Series
2021A,
4.000%,
2/01/56
2/31
at
100.00
159,083
603
California
Housing
Finance
Agency,
Municipal
Certificate
Revenue
Bonds,
Class
A
Series
2019-2,
4.000%,
3/20/33
No
Opt.
Call
592,699
514
California
Housing
Finance
Agency,
Municipal
Certificate
Revenue
Bonds,
Class
A
Series
2021-1,
3.500%,
11/20/35
No
Opt.
Call
480,165
88
California
Housing
Finance
Agency,
Municipal
Certificate
Revenue
Bonds,
Class
A
Series2019-1,
4.250%,
1/15/35
No
Opt.
Call
85,493
512
California
Housing
Finance
Agency,
Municipal
Certificate
Revenue
Bonds,
Class
A
Social
Certificates
Series
2023-1,
4.375%,
9/20/36
No
Opt.
Call
505,837
California
Municipal
Finance
Authority,
Mobile
Home
Park
Revenue
Bonds,
Caritas
Affordable
Housing
Inc
Projects,
Senior
Series
2014A:
25
5.250%,
8/15/39
8/24
at
100.00
25,037
65
5.250%,
8/15/49
8/24
at
100.00
65,044
660
(c)
CMFA
Special
Finance
Agency
I,
California,
Essential
Housing
Revenue
Bonds,
The
Mix
at
Center
City,
Series
2021A-2,
4.000%,
4/01/56
4/31
at
100.00
495,242
225
(c)
CMFA
Special
Finance
Agency,
California,
Essential
Housing
Revenue
Bonds,
Enclave
Apartments,
Senior
Series
2022A-1,
4.000%,
8/01/58
2/32
at
100.00
174,375
320
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
777
Place-Pomona,
Senior
Lien
Series
2021A-2,
3.250%,
5/01/57
5/32
at
100.00
224,080
425
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Acacia
on
Santa
Rosa
Creek,
Senior
Lien
Series
2021A,
4.000%,
10/01/56
10/31
at
100.00
363,850
560
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Altana
Glendale,
Series
2021A-2,
4.000%,
10/01/56
10/31
at
100.00
431,593
650
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Center
City
Anaheim,
Series
2020A,
5.000%,
1/01/54
1/31
at
100.00
522,295
540
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Moda
at
Monrovia
Station,
Social
Series
2021A-2,
4.000%,
10/01/56
10/31
at
100.00
395,057
265
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Monterrey
Station
Apartments,
Senior
Lien
Series
2021A-
1,
3.125%,
7/01/56
7/32
at
100.00
177,160
115
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Oceanaire-Long
Beach,
Social
Series
2021A-2,
4.000%,
9/01/56
9/31
at
100.00
86,294
250
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Parallel-Anaheim
Series
2021A,
4.000%,
8/01/56
8/31
at
100.00
211,609
50
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Pasadena
Portfolio
Social
Bond,
Mezzanine
Senior
Series
2021B,
4.000%,
12/01/56
12/31
at
100.00
37,019
100
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Pasadena
Portfolio
Social
Bond,
Series
2021A-2,
3.000%,
12/01/56
12/31
at
100.00
69,894
185
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Union
South
Bay,
Series
2021A-2,
4.000%,
7/01/56
7/31
at
100.00
141,799
160
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Westgate
Phase
1-Pasadena
Apartments,
Senior
Lien
Series
2021A-1,
3.000%,
6/01/47
6/31
at
100.00
111,253
585
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Westgate
Phase
1-Pasadena
Apartments,
Senior
Lien
Series
2021A-2,
3.125%,
6/01/57
6/31
at
100.00
345,675
3
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
Housing/Multifamily
(continued)
$
600
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Wood
Creek
Apartments,
Senior
Lien
Series
2021A-1,
3.000%,
12/01/49
6/32
at
100.00
$
413,093
Total
Housing/Multifamily
7,557,565
Tax
Obligation/General
-
26.8%
(27.1%
of
Total
Investments)
620
Butte-Glenn
Community
College
District,
Butte
and
Glenn
Counties,
California,
General
Obligation
Bonds,
Election
2016
Series
2017A,
5.250%,
8/01/46
8/27
at
100.00
645,691
1,000
California
State,
General
Obligation
Bonds,
Various
Purpose
Refunding
Series
2015,
5.000%,
8/01/34
8/25
at
100.00
1,012,891
1,000
Chaffey
Joint
Union
High
School
District,
San
Bernardino
County,
California,
General
Obligation
Bonds,
Election
2012
Series
2017C,
5.250%,
8/01/47
2/27
at
100.00
1,032,203
6,205
Desert
Community
College
District,
Riverside
County,
California,
General
Obligation
Bonds,
Election
of
2016
Series
2024,
4.000%,
8/01/51
8/33
at
100.00
5,939,372
1,000
Marin
Healthcare
District,
Marin
County,
California,
General
Obligation
Bonds,
2013
Election,
Series
2015A,
4.000%,
8/01/45
8/25
at
100.00
965,758
2,790
Natomas
Unified
School
District,
Sacramento
County,
California,
General
Obligation
Bonds,
Election
of
2018,
Series
2020A,
4.000%,
8/01/49
-
AGM
Insured
8/26
at
100.00
2,708,781
7,575
Palomar
Pomerado
Health,
California,
General
Obligation
Bonds,
Convertible
Capital
Appreciation,
Election
2004
Series
2010A,
0.000%,
8/01/34
No
Opt.
Call
4,416,690
65
Puerto
Rico,
General
Obligation
Bonds,
Restructured
Series
2022A-1,
4.000%,
7/01/41
7/31
at
103.00
60,419
1,000
San
Benito
High
School
District,
San
Benito
and
Santa
Clara
Counties,
California,
General
Obligation
Bonds,
2016
Election
Series
2017,
5.250%,
8/01/46
8/27
at
100.00
1,042,344
8,075
San
Bernardino
Community
College
District,
California,
General
Obligation
Bonds,
Election
of
2008
Series
2009B,
0.000%,
8/01/44
No
Opt.
Call
3,248,969
2,000
(d)
West
Hills
Community
College
District,
California,
General
Obligation
Bonds,
School
Facilities
Improvement
District
3,
2008
Election
Series
2011,
0.000%,
8/01/38
-
AGM
Insured
8/31
at
100.00
2,149,064
Total
Tax
Obligation/General
23,222,182
Tax
Obligation/Limited
-
11.0%
(11.2%
of
Total
Investments)
1,000
Bell
Community
Redevelopment
Agency,
California,
Tax
Allocation
Bonds,
Bell
Project
Area,
Series
2003,
5.625%,
10/01/33
-
RAAI
Insured
7/24
at
100.00
1,001,976
20
Brentwood
Infrastructure
Financing
Authority,
California,
Infrastructure
Revenue
Bonds,
Refunding
Subordinated
Series
2014B,
5.000%,
9/02/36
9/24
at
100.00
20,029
15
Golden
State
Tobacco
Securitization
Corporation,
California,
Tobacco
Settlement
Asset-Backed
Revenue
Bonds,
Series
2022A-1,
5.000%,
6/01/51
12/31
at
100.00
15,430
1,000
Los
Angeles
County
Metropolitan
Transportation
Authority,
California,
Measure
R
Sales
Tax
Revenue
Bonds,
Senior
Series
2016A,
5.000%,
6/01/39
6/26
at
100.00
1,025,852
3,000
Los
Angeles
County
Metropolitan
Transportation
Authority,
California,
Proposition
C
Sales
Tax
Revenue
Bonds,
Green
Senior
Lien
Series
2019A,
5.000%,
7/01/44
7/28
at
100.00
3,154,962
1,000
Norco
Redevelopment
Agency,
California,
Tax
Allocation
Bonds,
Project
Area
1,
Series
2009,
7.000%,
3/01/34
7/24
at
100.00
1,002,988
1,118
Puerto
Rico
Sales
Tax
Financing
Corporation,
Sales
Tax
Revenue
Bonds,
Restructured
2018A-1,
5.000%,
7/01/58
7/28
at
100.00
1,118,363
550
Puerto
Rico
Sales
Tax
Financing
Corporation,
Sales
Tax
Revenue
Bonds,
Taxable
Restructured
Cofina
Project
Series
2019A-2,
4.784%,
7/01/58
7/28
at
100.00
545,135
180
River
Islands
Public
Financing
Authority,
California,
Special
Tax
Bonds,
Community
Facilities
District
2003-1
Improvement
Area
1,
Refunding
Series
2022A-1,
5.250%,
9/01/52
-
AGM
Insured
9/29
at
103.00
193,406
60
San
Francisco
City
and
County
Redevelopment
Agency
Successor
Agency,
California,
Special
Tax
Bonds,
Community
Facilities
District
7,
Hunters
Point
Shipyard
Phase
One
Improvements,
Refunding
Series
2014,
5.000%,
8/01/39
8/24
at
100.00
60,052
Nuveen
California
Select
Tax-Free
Income
Portfolio
(continued)
Portfolio
of
Investments
May
31,
2024
(Unaudited)
4
NXC
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
Tax
Obligation/Limited
(continued)
$
20
Signal
Hill
Redevelopment
Agency,
California,
Project
1
Tax
Allocation
Bonds,
Series
2011,
7.000%,
10/01/26
7/24
at
100.00
$
20,046
1,285
Stockton
Public
Financing
Authority,
California,
Revenue
Bonds,
Arch
Road
East
Community
Facility
District
99-02,
Series
2018A,
5.000%,
9/01/28
9/25
at
103.00
1,331,024
60
Transbay
Joint
Powers
Authority,
California,
Tax
Allocation
Bonds,
Senior
Green
Series
2020A,
5.000%,
10/01/45
4/30
at
100.00
60,567
Total
Tax
Obligation/Limited
9,549,830
Transportation
-
13.0%
(13.2%
of
Total
Investments)
60
California
Municipal
Finance
Authority,
Special
Facility
Revenue
Bonds,
United
Airlines,
Inc.
Los
Angeles
International
Airport
Project,
Series
2019,
4.000%,
7/15/29,
(AMT)
No
Opt.
Call
59,617
800
Long
Beach,
California,
Harbor
Revenue
Bonds,
Series
2015D,
5.000%,
5/15/42
5/25
at
100.00
807,784
1,860
Los
Angeles
Department
of
Airports,
California,
Revenue
Bonds,
Los
Angeles
International
Airport,
Refunding
&
Subordinate
Series
2022C,
4.000%,
5/15/40,
(AMT)
5/32
at
100.00
1,815,977
1,525
Los
Angeles
Department
of
Airports,
California,
Revenue
Bonds,
Los
Angeles
International
Airport,
Subordinate
Lien
Series
2022A,
5.000%,
5/15/45,
(AMT)
5/32
at
100.00
1,590,905
3,250
Riverside
County
Transportation
Commission,
California,
Toll
Revenue
Senior
Lien
Bonds,
RCTC
91
Express
Lanes,
Refunding
Series
2021B-1,
4.000%,
6/01/39
6/31
at
100.00
3,237,689
305
San
Diego
County
Regional
Airport
Authority,
California,
Airport
Revenue
Bonds,
International
Senior
Series
2023B,
5.000%,
7/01/53,
(AMT)
7/33
at
100.00
314,323
1,000
San
Diego
County
Regional
Airport
Authority,
California,
Airport
Revenue
Bonds,
Subordinate
Series
2021B,
5.000%,
7/01/46,
(AMT)
7/31
at
100.00
1,031,504
1,400
San
Francisco
Airport
Commission,
California,
Revenue
Bonds,
San
Francisco
International
Airport,
Refunding
Second
Series
2023C,
5.500%,
5/01/40,
(AMT)
5/33
at
100.00
1,547,773
90
San
Joaquin
Hills
Transportation
Corridor
Agency,
Orange
County,
California,
Refunding
Senior
Lien
Toll
Road
Revenue
Bonds,
Series
2021A,
4.000%,
1/15/50
1/32
at
100.00
85,027
750
San
Joaquin
Hills
Transportation
Corridor
Agency,
Orange
County,
California,
Toll
Road
Revenue
Bonds,
Refunding
Junior
Lien
Series
2014B,
5.250%,
1/15/44
1/25
at
100.00
754,700
Total
Transportation
11,245,299
U.S.
Guaranteed
-
7.0%
(7.1%
of
Total
Investments)
(e)
California
Health
Facilities
Financing
Authority,
California,
Revenue
Bonds,
Sutter
Health,
Refunding
Series
2016B:
410
5.000%,
11/15/46,
(Pre-refunded
11/15/26)
11/26
at
100.00
425,797
2,500
California
Health
Facilities
Financing
Authority,
California,
Revenue
Bonds,
Sutter
Health,
Series
2016A,
5.000%,
11/15/41,
(Pre-refunded
11/15/25)
11/25
at
100.00
2,561,901
California
Health
Facilities
Financing
Authority,
Revenue
Bonds,
Providence
Health
&
Services,
Refunding
Series
2014A:
55
5.000%,
10/01/38,
(Pre-refunded
10/01/24)
10/24
at
100.00
55,231
Golden
State
Tobacco
Securitization
Corporation,
California,
Enhanced
Tobacco
Settlement
Asset-Backed
Revenue
Bonds,
Refunding
Series
2015A:
1,350
5.000%,
6/01/40,
(Pre-refunded
6/01/25)
6/25
at
100.00
1,372,970
1,650
5.000%,
6/01/40,
(Pre-refunded
6/01/25)
6/25
at
100.00
1,678,075
Total
U.S.
Guaranteed
6,093,974
5
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/
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
Utilities
-
19.3%
(19.5%
of
Total
Investments)
$
840
California
Community
Choice
Financing
Authority,
Clean
Energy
Project
Revenue
Bonds,
Green
Series
2024A,
5.000%,
5/01/54,
(Mandatory
Put
4/01/32)
1/32
at
100.21
$
890,032
California
Pollution
Control
Financing
Authority,
Water
Furnishing
Revenue
Bonds,
Poseidon
Resources
Channelside
LP
Desalination
Project,
Series
2012:
375
(c)
5.000%,
7/01/37,
(AMT)
7/24
at
100.00
376,002
1,160
(c)
5.000%,
11/21/45,
(AMT)
7/24
at
100.00
1,161,523
645
Long
Beach
Bond
Finance
Authority,
California,
Natural
Gas
Purchase
Revenue
Bonds,
Series
2007A,
5.500%,
11/15/37
No
Opt.
Call
715,643
1,970
Los
Angeles
Department
of
Water
and
Power,
California,
Power
System
Revenue
Bonds,
Series
2015E,
5.000%,
7/01/44
7/24
at
100.00
1,971,633
2,000
Los
Angeles
Department
of
Water
and
Power,
California,
Power
System
Revenue
Bonds,
Series
2020B,
5.000%,
7/01/40
7/30
at
100.00
2,170,320
Los
Angeles
Department
of
Water
and
Power,
California,
Waterworks
Revenue
Bonds,
Series
2017A:
3,000
5.000%,
7/01/44
1/27
at
100.00
3,096,316
2,900
4.000%,
7/01/47
1/27
at
100.00
2,787,675
1,000
Los
Angeles
Department
of
Water
and
Power,
California,
Waterworks
Revenue
Bonds,
Series
2018B,
5.000%,
7/01/38
7/28
at
100.00
1,059,123
250
(c)
Puerto
Rico
Aqueduct
and
Sewerage
Authority,
Revenue
Bonds,
Refunding
Senior
Lien
Series
2020A,
5.000%,
7/01/47
7/30
at
100.00
252,596
2,050
Sacramento
County
Sanitation
Districts
Financing
Authority,
California,
Revenue
Bonds,
Sacramento
Regional
County
Sanitation
District,
Series
2020A,
5.000%,
12/01/50
12/30
at
100.00
2,200,906
Total
Utilities
16,681,769
Total
Municipal
Bonds
(cost
$84,909,574)
84,995,074
Total
Long-Term
Investments
(cost
$84,909,574)
84,995,074
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
SHORT-TERM
INVESTMENTS
-
 0.7%
(0.7%
of
Total
Investments)  
X
600,000
MUNICIPAL
BONDS
-
0.7%  (0.7%
of
Total
Investments)
X
600,000
Health
Care
-
0
.7
%
(
0
.7
%
of
Total
Investments)
$
600
(f)
California
Health
Facilities
Financing
Authority,
California,
Revenue
Bonds,
Scripps
Health,
Weekly
Mode
Series
2024C-1,
2.250%,
11/15/63,
(Mandatory
Put
6/07/24)
5/24
at
100.00
$
600,000
Total
Health
Care
600,000
Total
Municipal
Bonds
(cost
$600,000)
600,000
Total
Short-Term
Investments
(cost
$600,000)
600,000
Total
Investments
(cost
$85,509,574)
-
98.8%
85,595,074
Other
Assets
&
Liabilities,
Net
-
1.2%
1,043,063
Net
Assets
Applicable
to
Common
Shares
-
100%
$
86,638,137
Nuveen
California
Select
Tax-Free
Income
Portfolio
(continued)
Portfolio
of
Investments
May
31,
2024
(Unaudited)
6
NXC
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:
Level
1
Level
2
Level
3
Total
Long-Term
Investments:
Municipal
Bonds
$
–
$
84,995,074
$
–
$
84,995,074
Short-Term
Investments:
Municipal
Bonds
–
600,000
–
600,000
Total
$
–
$
85,595,074
$
–
$
85,595,074
(a)
All
percentages
shown
in
the
Portfolio
of
Investments
are
based
on
net
assets
applicable
to
common
shares
unless
otherwise
noted.
(b)
Optional
Call
Provisions:
Dates
(month
and
year)
and
prices
of
the
earliest
optional
call
or
redemption.
There
may
be
other
call
provisions
at
varying
prices
at
later
dates.
Certain
mortgage-backed
securities
may
be
subject
to
periodic
principal
paydowns.
(c)
Security
is
exempt
from
registration
under
Rule
144A
of
the
Securities
Act
of
1933,
as
amended.
These
securities
are
deemed
liquid
and
may
be
resold
in
transactions
exempt
from
registration,
which
are
normally
those
transactions
with
qualified
institutional
buyers.
As
of
the
end
of
the
reporting
period,
the
aggregate
value
of
these
securities
is
$8,926,731
or
10.4%
of
Total
Investments.
(d)
Step-up
coupon
bond,
a
bond
with
a
coupon
that
increases
("steps
up"),
usually
at
regular
intervals,
while
the
bond
is
outstanding.
The
rate
shown
is
the
coupon
as
of
the
end
of
the
reporting
period.
(e)
Backed
by
an
escrow
or
trust
containing
sufficient
U.S.
Government
or
U.S.
Government
agency
securities,
which
ensure
the
timely
payment
of
principal
and
interest.
(f)
Investment
has
a
maturity
of
greater
than
one
year,
but
has
variable
rate
and/or
demand
features
which
qualify
it
as
a
short-term
investment.
The
rate
disclosed,
as
well
as
the
reference
rate
and
spread,
where
applicable,
is
that
in
effect
as
of
the
end
of
the
reporting
period.
This
rate
changes
periodically
based
on
market
conditions
or
a
specified
market
index.
AMT
Alternative
Minimum
Tax
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