NPORT-EX 2 NKX.htm
NKX
Nuveen California AMT-Free Quality Municipal Income Fund
Portfolio of Investments    November 30, 2021
(Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    LONG-TERM INVESTMENTS – 156.8% (100.0% of Total Investments)        
    MUNICIPAL BONDS – 156.8% (100.0% of Total Investments)        
    Consumer Staples  – 4.5% (2.9% of Total Investments)        
$235   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 BBB+ $273,253
6,380   Golden State Tobacco Securitization Corporation, California, Tobacco Settlement Asset-Backed Bonds, Senior Convertible Series 2007A-2, 5.300%, 6/01/37   6/22 at 100.00 B- 6,521,126
24,735   Golden State Tobacco Securitization Corporation, California, Tobacco Settlement Asset-Backed Bonds, Series 2018A-1, 5.250%, 6/01/47   6/22 at 100.00 N/R 25,308,605
3,695   Golden State Tobacco Securitization Corporation, California, Tobacco Settlement Asset-Backed Bonds, Series 2018A-2, 5.000%, 6/01/47   6/22 at 100.00 N/R 3,775,144
35,045   Total Consumer Staples       35,878,128
    Education and Civic Organizations – 3.6% (2.3% of Total Investments)        
3,000   California Educational Facilities Authority, Revenue Bonds, Pepperdine University, Series 2015, 5.000%, 9/01/40   9/25 at 100.00 AA- 3,447,060
1,780   California Municipal Finance Authority, Charter School Revenue Bonds, Rocketship Education, Multiple Projects, Series 2014A, 7.250%, 6/01/43   6/22 at 102.00 N/R 1,863,179
1,600   California Municipal Finance Authority, Revenue Bonds, Goodwill Industries of Sacramento Valley & Northern Nevada Project, Series 2012A, 6.875%, 1/01/42, 144A   1/22 at 100.00 N/R 1,601,984
635   California School Finance Authority, School Facility Revenue Bonds, Alliance for College-Ready Public Schools Project, Series 2015A, 5.000%, 7/01/45, 144A   7/25 at 100.00 BBB 708,444
750   California School Finance Authority, School Facility Revenue Bonds, Alliance for College-Ready Public Schools Project, Series 2016A, 5.000%, 7/01/46, 144A   7/25 at 100.00 BBB 835,703
4,925   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 BBB 5,534,173
280   California School Finance Authority, School Facility Revenue Bonds, Value Schools, Series 2016A, 5.750%, 7/01/41, 144A   7/26 at 100.00 BB+ 327,071
1,725   California State University, Systemwide Revenue Bonds, Series 2016A, 4.000%, 11/01/38   5/26 at 100.00 Aa2 1,951,320
10,000   University of California, General Revenue Bonds, Series 2018AZ, 5.000%, 5/15/48   5/28 at 100.00 AA 12,329,600
24,695   Total Education and Civic Organizations       28,598,534
    Health Care – 11.9% (7.6% of Total Investments)        
    California Health Facilities Financing Authority, California, Revenue Bonds, Sutter Health, Refunding Series 2016B:        
13,295   4.000%, 11/15/41   11/26 at 100.00 A1 15,012,847
2,960   5.000%, 11/15/46   11/26 at 100.00 A1 3,511,418
9,415   California Health Facilities Financing Authority, California, Revenue Bonds, Sutter Health, Refunding Series 2017A, 5.000%, 11/15/48   11/27 at 100.00 A1 11,505,036
1

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2021
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Health Care (continued)        
$3,500   California Health Facilities Financing Authority, California, Revenue Bonds, Sutter Health, Series 2018A, 5.000%, 11/15/48   11/27 at 100.00 A1 $4,276,965
1,255   California Health Facilities Financing Authority, Revenue Bonds, Children's Hospital Los Angeles, Series 2012A, 5.000%, 11/15/29   11/22 at 100.00 BBB+ 1,303,531
1,000   California Health Facilities Financing Authority, Revenue Bonds, Children's Hospital Los Angeles, Series 2017A, 5.000%, 8/15/47   8/27 at 100.00 BBB+ 1,186,290
1,000   California Health Facilities Financing Authority, Revenue Bonds, City of Hope National Medical Center, Series 2012A, 5.000%, 11/15/35   11/22 at 100.00 A+ 1,044,050
6,500   California Health Facilities Financing Authority, Revenue Bonds, CommonSpirit Health, Series 2020A, 4.000%, 4/01/44   4/30 at 100.00 BBB+ 7,609,615
10,000   California Health Facilities Financing Authority, Revenue Bonds, Kaiser Permanente System, Series 2017A-2, 4.000%, 11/01/44   11/27 at 100.00 AA- 11,565,800
2,520   California Health Facilities Financing Authority, Revenue Bonds, Lucile Salter Packard Children's Hospital, Series 2014A, 5.000%, 8/15/43   8/24 at 100.00 AA- 2,809,321
2,000   California Health Facilities Financing Authority, Revenue Bonds, Memorial Health Services, Series 2012A, 5.000%, 10/01/33   10/22 at 100.00 AA- 2,076,940
795   California Health Facilities Financing Authority, Revenue Bonds, Providence Health & Services, Refunding Series 2014A, 5.000%, 10/01/38   10/24 at 100.00 AA- 889,104
2,800   California Health Facilities Financing Authority, Revenue Bonds, Providence Health & Services, Series 2014B, 5.000%, 10/01/44   10/24 at 100.00 AA- 3,127,264
250   California Municipal Finance Authority, Revenue Bonds, Eisenhower Medical Center, Refunding Series 2017A, 5.000%, 7/01/42   7/27 at 100.00 Baa2 298,870
1,690   California Municipal Finance Authority, Revenue Bonds, NorthBay Healthcare Group, Series 2017A, 5.250%, 11/01/36   11/26 at 100.00 BBB- 1,981,035
    California Statewide Communities Development Authority, California, Revenue Bonds, Loma Linda University Medical Center, Series 2014A:        
1,200   5.250%, 12/01/44   12/24 at 100.00 BB 1,353,816
4,000   5.500%, 12/01/54   12/24 at 100.00 BB 4,536,160
14,740   California Statewide Communities Development Authority, California, Revenue Bonds, Loma Linda University Medical Center, Series 2016A, 5.250%, 12/01/56, 144A   6/26 at 100.00 BB 16,966,624
2,000   California Statewide Communities Development Authority, California, Revenue Bonds, Loma Linda University Medical Center, Series 2018A, 5.250%, 12/01/48, 144A   6/28 at 100.00 BB 2,430,460
    California Statewide Community Development Authority, Revenue Bonds, Daughters of Charity Health System, Series 2005A:        
128   5.750%, 7/01/24 (4), (5)   12/21 at 100.00 N/R 111,681
773   5.750%, 7/01/30 (4), (5)   12/21 at 100.00 N/R 676,466
19   5.750%, 7/01/35 (4), (5)   12/21 at 100.00 N/R 16,752
81,840   Total Health Care       94,290,045
    Housing/Multifamily – 13.3% (8.5% of Total Investments)        
7,680   California Community Housing Agency, California, Essential Housing Revenue Bonds, Creekwood, Series 2021A, 4.000%, 2/01/56, 144A   8/31 at 100.00 N/R 7,973,069
3,820   California Community Housing Agency, California, Essential Housing Revenue Bonds, Glendale Properties, Junior Series 2021A-2, 4.000%, 8/01/47, 144A   8/31 at 100.00 N/R 3,912,215
2

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Housing/Multifamily (continued)        
$3,000   California Community Housing Agency, California, Essential Housing Revenue Bonds, Serenity at Larkspur Apartments, Series 2020A, 5.000%, 2/01/50, 144A   2/30 at 100.00 N/R $3,335,010
970   California Community Housing Agency, California, Essential Housing Revenue Bonds, Stoneridge Apartments, Series 2021A, 4.000%, 2/01/56, 144A   2/31 at 100.00 N/R 1,013,126
3,185   California Community Housing Agency, California, Essential Housing Revenue Bonds, Summit at Sausalito Apartments, Series 2021A-1, 3.000%, 2/01/57, 144A   8/32 at 100.00 N/R 2,894,241
230   California Community Housing Agency, California, Essential Housing Revenue Bonds, Summit at Sausalito Apartments, Series 2021A-2, 4.000%, 2/01/50, 144A   8/32 at 100.00 N/R 233,185
500   California Community Housing Agency, California, Essential Housing Revenue Bonds, Verdant at Green Valley Apartments, Series 2019A, 5.000%, 8/01/49, 144A   8/29 at 100.00 N/R 554,620
4,750   California Community Housing Agency, Workforce Housing Revenue Bonds, Annadel Apartments, Series 2019A, 5.000%, 4/01/49, 144A   4/29 at 100.00 N/R 5,200,490
7,904   California Housing Finance Agency, Municipal Certificate Revenue Bonds, Class A Series 2019-2, 4.000%, 3/20/33   No Opt. Call BBB+ 9,117,089
6,512   California Housing Finance Agency, Municipal Certificate Revenue Bonds, Class A Series 2021-1, 3.500%, 11/20/35   No Opt. Call BBB+ 7,438,843
1,175   California Housing Finance Agency, Municipal Certificate Revenue Bonds, Class A Series2019-1, 4.250%, 1/15/35   No Opt. Call BBB+ 1,413,857
    California Municipal Finance Authority, Mobile Home Park Revenue Bonds, Caritas Affordable Housing Inc Projects, Senior Series 2014A:        
260   5.250%, 8/15/39   8/24 at 100.00 A- 282,017
705   5.250%, 8/15/49   8/24 at 100.00 A- 760,963
155   California Municipal Finance Authority, Mobile Home Park Revenue Bonds, Caritas Projects Series 2012A, 5.500%, 8/15/47   8/22 at 100.00 A- 158,860
350   California Municipal Finance Authority, Mobile Home Park Revenue Bonds, Caritas Projects Series 2012B, 7.250%, 8/15/47   8/22 at 100.00 N/R 360,815
140   California Public Finance Authority, University Housing Revenue Bonds, National Campus Community Development - Claremont Properties LLC Claremont Colleges Project, Series 2017A, 5.000%, 7/01/37, 144A   7/27 at 100.00 Caa2 125,712
8,205   CMFA Special Finance Agency I, California, Essential Housing Revenue Bonds, The Mix at Center City, Series 2021A-2, 4.000%, 4/01/56, 144A   4/31 at 100.00 N/R 8,515,559
1,435   CMFA Special Finance Agency, California, Essential Housing Revenue Bonds, Latitude 33, Senior Series 2021A-1, 3.000%, 12/01/56, 144A   12/31 at 100.00 N/R 1,299,479
440   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, 777 Place-Pomona, Senior Lien Series 2021A-1, 3.600%, 5/01/47, 144A   5/32 at 100.00 N/R 446,107
3,980   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, 777 Place-Pomona, Senior Lien Series 2021A-2, 3.250%, 5/01/57, 144A   5/32 at 100.00 N/R 3,747,966
595   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Acacia on Santa Rosa Creek, Mezzanine Lien Series 2021B, 4.000%, 10/01/46, 144A   10/31 at 100.00 N/R 605,145
1,145   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Acacia on Santa Rosa Creek, Senior Lien Series 2021A, 4.000%, 10/01/56, 144A   10/31 at 100.00 N/R 1,207,838
7,065   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Altana Glendale, Series 2021A-2, 4.000%, 10/01/56, 144A   10/31 at 100.00 N/R 7,362,366
8,125   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Center City Anaheim, Series 2020A, 5.000%, 1/01/54, 144A   1/31 at 100.00 N/R 9,085,862
3

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2021
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Housing/Multifamily (continued)        
    CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Millennium South Bay-Hawthorne, Series 2021A-1 and A-2:        
$2,150   3.375%, 7/01/43, 144A, (WI/DD, Settling 12/01/21)   7/32 at 100.00 N/R $2,158,514
390   3.250%, 7/01/56, 144A, (WI/DD, Settling 12/01/21)   7/32 at 100.00 N/R 369,026
6,820   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Moda at Monrovia Station, Social Series 2021A-2, 4.000%, 10/01/56, 144A   10/31 at 100.00 N/R 7,107,054
1,085   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Oceanaire-Long Beach, Social Series 2021A-2, 4.000%, 9/01/56, 144A   9/31 at 100.00 N/R 1,141,344
155   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Orange City Portfolio, Mezzanine Lien Series 2021B, 4.000%, 3/01/57, 144A   3/32 at 100.00 N/R 157,182
4,735   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Orange City Portfolio, Senior Lien Series 2021A-2, 3.000%, 3/01/57, 144A   3/32 at 100.00 N/R 4,356,673
3,020   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Parallel-Anaheim Series 2021A, 4.000%, 8/01/56, 144A   8/31 at 100.00 N/R 3,132,737
1,935   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Pasadena Portfolio Social Bond, Mezzanine Senior Series 2021B, 4.000%, 12/01/56, 144A   12/31 at 100.00 N/R 1,958,878
200   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Renaissance at City Center, Series 2020A, 5.000%, 7/01/51, 144A   7/31 at 100.00 N/R 225,624
2,720   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Union South Bay, Series 2021A-2, 4.000%, 7/01/56, 144A   7/31 at 100.00 N/R 2,841,094
780   CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Waterscape Apartments, Senior Lien Series 2021A, 3.000%, 9/01/56, 144A   9/31 at 100.00 N/R 718,138
3,285   Independent Cities Finance Authority, California, Mobile Home Park Revenue Bonds, Rancho Vallecitos Mobile Home Park, Series 2013, 5.000%, 4/15/38   4/23 at 100.00 A- 3,405,724
    La Verne, California, Mobile Home Park Revenue Bonds, Copacabana Mobile Home Park, Refunding Series 2014:        
670   5.000%, 6/15/44   6/24 at 100.00 A+ 736,062
185   5.000%, 6/15/49   6/24 at 100.00 A+ 202,557
100,456   Total Housing/Multifamily       105,555,041
    Long-Term Care – 0.5% (0.3% of Total Investments)        
2,250   California Health Facilities Financing Authority, Insured Revenue Bonds, Community Program for Persons with Developmental Disabilities, Series 2011A, 6.250%, 2/01/26   12/21 at 100.00 AA 2,260,553
1,300   California Health Facilities Financing Authority, Revenue Bonds, Northern California Presbyterian Homes & Services Inc., Refunding Series 2015, 5.000%, 7/01/39   7/25 at 100.00 AA 1,478,789
3,550   Total Long-Term Care       3,739,342
    Tax Obligation/General – 33.9% (21.6% of Total Investments)        
1,600   California State, General Obligation Bonds, Refunding Various Purpose Series 2016, 5.000%, 8/01/33   8/26 at 100.00 Aa2 1,917,616
    California State, General Obligation Bonds, Refunding Various Purpose Series 2019:        
3,250   5.000%, 4/01/32   No Opt. Call Aa2 4,451,980
15,000   5.000%, 11/01/39   11/28 at 100.00 Aa2 18,800,250
4

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/General (continued)        
    California State, General Obligation Bonds, Various Purpose Series 2013:        
$3,500   5.000%, 4/01/37   4/23 at 100.00 Aa2 $3,710,560
2,000   5.000%, 2/01/43   2/23 at 100.00 Aa2 2,105,200
5,520   5.000%, 11/01/43   11/23 at 100.00 Aa2 5,995,162
    California State, General Obligation Bonds, Various Purpose Series 2014:        
2,460   5.000%, 10/01/39   10/24 at 100.00 Aa2 2,757,832
9,000   5.000%, 12/01/43   12/23 at 100.00 Aa2 9,808,650
9,000   5.000%, 10/01/44   10/24 at 100.00 Aa2 10,059,930
8,000   California State, General Obligation Bonds, Various Purpose Series 2015, 5.000%, 3/01/45   3/25 at 100.00 Aa2 9,022,560
5,390   California State, General Obligation Bonds, Various Purpose Series 2016, 5.000%, 9/01/46   9/26 at 100.00 Aa2 6,381,868
7,995   California State, General Obligation Bonds, Various Purpose Series 2017, 5.000%, 11/01/47   11/27 at 100.00 Aa2 9,793,635
1,505   Chaffey Joint Union High School District, San Bernardino County, California, General Obligation Bonds, Election 2012 Series 2019D, 4.000%, 8/01/49   8/28 at 100.00 Aa1 1,745,123
20,750   Coachella Valley Unified School District, Riverside County, California, General Obligation Bonds, Election 2005 Series 2010C, 0.000%, 8/01/43  –  AGM Insured   No Opt. Call AA 11,804,882
9,840   Corona-Norco Unified School District, Riverside County, California, General Obligation Bonds, Election 2014, Series 2018B, 5.000%, 8/01/47   8/28 at 100.00 AAA 12,049,966
3,065   Lucia Mar Unified School District, San Luis Obispo County, California, General Obligation Bonds, Election 2016 Series 2017A, 4.000%, 8/01/46   8/27 at 100.00 Aa2 3,487,296
4,500   Mount Diablo Unified School District, Contra Costa County, California, General Obligation Bonds, Series 2010A, 0.000%, 8/01/30  –  AGM Insured (6)   8/25 at 100.00 AA 5,074,290
3,300   Mount San Jacinto Community College District, Riverside County, California, General Obligation Bonds, Election 2014, Series 2018B, 4.000%, 8/01/43   8/28 at 100.00 Aa1 3,831,135
11,980   San Diego Unified School District, San Diego County, California, General Obligation Bonds, Refunding Series 2012R-1, 0.000%, 7/01/31   No Opt. Call Aa2 10,512,809
9,665   San Jose, California, General Obligation Bonds, Disaster Preparedness, Public Safety & Infrastructure, Series 2019A-1, 5.000%, 9/01/45   3/29 at 100.00 AAA 12,100,966
2,000   San Mateo County Community College District, California, General Obligation Bonds, Election 2014 Series 2018B, 5.000%, 9/01/45   9/28 at 100.00 AAA 2,508,980
2,670   San Mateo Union High School District, San Mateo County, California, General Obligation Bonds, Capital Appreciation, Election 2010, Refunding Series 2011A, 0.000%, 9/01/33 (6)   No Opt. Call Aaa 2,775,652
    Sonoma County Junior College District, California, General Obligation Bonds, Election 2014 Series 2019B:        
1,730   3.000%, 8/01/36   8/29 at 100.00 AA 1,935,507
2,110   3.000%, 8/01/41   8/29 at 100.00 AA 2,282,957
10,000   Southwestern Community College District, San Diego County, California, General Obligation Bonds, Election of 2008, Series 2011C, 0.000%, 8/01/41   No Opt. Call Aa2 6,509,500
5

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2021
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/General (continued)        
    Stockton Unified School District, San Joaquin County, California, General Obligation Bonds, Election 2008 Series 2011D:        
$23,280   0.000%, 8/01/47  –  AGC Insured (6)   8/37 at 100.00 AA $30,113,378
38,845   0.000%, 8/01/50  –  AGM Insured (6)   8/37 at 100.00 AA 50,296,506
15,780   Sylvan Union School District, Stanislaus County, California, General Obligation Bonds, Election of 2006, Series 2010, 0.000%, 8/01/49  –  AGM Insured (6)   No Opt. Call AA 18,135,007
8,345   Yosemite Community College District, California, General Obligation Bonds, Capital Appreciation, Election 2004, Series 2010D, 0.000%, 8/01/42 (6)   No Opt. Call Aa2 8,683,640
242,080   Total Tax Obligation/General       268,652,837
    Tax Obligation/Limited – 26.2% (16.7% 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   12/21 at 100.00 AA 1,020,430
5,720   Brea and Olinda Unified School District, Orange County, California, Certificates of Participation Refunding, Series 2002A, 5.125%, 8/01/26  –  AGM Insured   12/21 at 100.00 AA 5,739,620
    California Infrastructure and Economic Development Bank, Revenue Bonds, North County Center for Self-Sufficiency Corporation, Series 2004:        
1,615   5.000%, 12/01/21  –  AMBAC Insured   No Opt. Call AA+ 1,615,000
1,695   5.000%, 12/01/22  –  AMBAC Insured   12/21 at 100.00 AA+ 1,701,594
1,780   5.000%, 12/01/23  –  AMBAC Insured   12/21 at 100.00 AA+ 1,787,120
1,865   5.000%, 12/01/24  –  AMBAC Insured   12/21 at 100.00 AA+ 1,872,441
7,000   California State Public Works Board, Lease Revenue Bonds, Department of Corrections & Rehabilitation, Various Correctional Facilities Series 2013F, 5.250%, 9/01/31   9/23 at 100.00 Aa3 7,568,680
    California State Public Works Board, Lease Revenue Bonds, Department of Education, Riverside Campus Project, Series 2012H:        
2,790   5.000%, 4/01/30   4/22 at 100.00 Aa3 2,834,221
2,065   5.000%, 4/01/31   4/22 at 100.00 Aa3 2,097,668
20,330   California State Public Works Board, Lease Revenue Bonds, Judicial Council of California, New Stockton Courthouse, Series 2014B, 5.000%, 10/01/39   10/24 at 100.00 Aa3 22,724,264
1,990   California State Public Works Board, Lease Revenue Bonds, Judicial Council of California, Various Projects Series 2013A, 5.000%, 3/01/33   3/23 at 100.00 Aa3 2,098,853
9,200   California State Public Works Board, Lease Revenue Bonds, Various Capital Projects, Series 2021B, 4.000%, 5/01/46   5/31 at 100.00 Aa3 10,957,108
    Compton Community Redevelopment Agency, California, Tax Allocation Revenue Bonds, Redevelopment Projects, Second Lien Series 2010B:        
1,230   5.000%, 8/01/25   12/21 at 100.00 N/R 1,234,108
530   5.750%, 8/01/26   12/21 at 100.00 N/R 532,041
5,000   El Monte, California, Senior Lien Certificates of Participation, Department of Public Services Facility Phase II, Series 2001, 5.250%, 1/01/34  –  AMBAC Insured   12/21 at 100.00 Aa2 5,020,550
    Government of Guam, Business Privilege Tax Bonds, Refunding Series 2015D:        
7,610   5.000%, 11/15/30   11/25 at 100.00 BB 8,666,268
4,000   5.000%, 11/15/34   11/25 at 100.00 BB 4,534,720
535   Inglewood Redevelopment Agency, California, Tax Allocation Bonds, Merged Redevelopment Project, Refunding Series 1998A, 5.250%, 5/01/23  –  AMBAC Insured   No Opt. Call N/R 565,843
6

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/Limited (continued)        
$1,110   Lake Elsinore Public Financing Authority, California, Local Agency Revenue Bonds, Refunding Series 2015, 5.000%, 9/01/40   9/25 at 100.00 N/R $1,246,408
2,000   Lammersville Joint Unified School District, California, Special Tax Bonds, Community Facilities District 2007-1 Mountain House - Shea Homes Improvement Area 1, Series 2013, 6.000%, 9/01/38   9/23 at 100.00 N/R 2,148,200
1,000   Lathrop, California, Limited Obligation Improvement Bonds, Crossroads Assessment District, Series 2015, 5.000%, 9/02/40   9/25 at 100.00 N/R 1,124,140
6,190   Los Angeles Community Redevelopment Agency, California, Lease Revenue Bonds, Vermont Manchester Social Services Project, Series 2005, 5.000%, 9/01/37  –  AMBAC Insured   12/21 at 100.00 Aa2 6,209,437
    Los Angeles County Metropolitan Transportation Authority, California, Proposition A First Tier Senior Sales Tax Revenue Bonds, Green Series 2017A:        
7,860   5.000%, 7/01/39   7/27 at 100.00 AAA 9,594,781
7,140   5.000%, 7/01/41   7/27 at 100.00 AAA 8,689,808
3,220   Los Angeles County Metropolitan Transportation Authority, California, Proposition C Sales Tax Revenue Bonds, Senior Lien Series 2017A, 5.000%, 7/01/42   7/27 at 100.00 AAA 3,915,037
3,855   Los Angeles County Public Works Financing Authority, California, Lease Revenue Bonds, Series 2019E-1, 5.000%, 12/01/49   12/29 at 100.00 AA+ 4,892,535
475   Lynwood Redevelopment Agency, California, Tax Allocation Revenue Bonds, Project Area A, Subordinate Lien Series 2011A, 7.250%, 9/01/38   12/21 at 100.00 A 477,351
    Patterson Public Finance Authority, California, Revenue Bonds, Community Facilities District 2001-1, Senior Series 2013A:        
3,735   5.250%, 9/01/30   9/23 at 100.00 N/R 3,990,698
3,340   5.750%, 9/01/39   9/23 at 100.00 N/R 3,578,142
515   Patterson Public Finance Authority, California, Revenue Bonds, Community Facilities District 2001-1, Subordinate Lien Series 2013B, 5.875%, 9/01/39   9/23 at 100.00 N/R 552,827
1,940   Perris Joint Powers Authority, California, Local Agency Revenue Bonds, Community Facilities District 2001-1 May Farms Improvement Area 1,2 and 3, Refunding Series 2014A, 5.375%, 9/01/33   9/23 at 100.00 N/R 2,070,484
    Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Bonds, Restructured 2018A-1:        
24,200   0.000%, 7/01/46   7/28 at 41.38 N/R 8,092,480
14,429   5.000%, 7/01/58   7/28 at 100.00 N/R 16,565,213
12   Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Bonds, Taxable Restructured Cofina Project Series 2019A-2, 4.536%, 7/01/53   7/28 at 100.00 N/R 13,445
    Riverside County, California, Special Tax Bonds, Community Facilities District 05-8 Scott Road, Series 2013:        
660   5.000%, 9/01/32   9/22 at 100.00 N/R 678,150
1,775   5.000%, 9/01/42   9/22 at 100.00 N/R 1,822,002
400   Roseville, California, Special Tax Bonds, Community Facilities District 1 Westpark, Refunding Series 2015, 5.000%, 9/01/33   9/25 at 100.00 N/R 451,596
7

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2021
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/Limited (continued)        
    Sacramento Area Flood Control Agency, California, Consolidated Capital Assessment District 2 Bonds, Series 2016A:        
$3,695   5.000%, 10/01/36   10/26 at 100.00 AA $4,388,625
8,290   5.000%, 10/01/41   10/26 at 100.00 AA 9,739,175
6,230   5.000%, 10/01/47   10/26 at 100.00 AA 7,315,827
210   San Clemente, California, Special Tax Revenue Bonds, Community Facilities District 2006-1 Marblehead Coastal, Series 2015, 5.000%, 9/01/40   9/25 at 100.00 N/R 235,969
1,480   San Diego Redevelopment Agency, California, Subordinate Lien Tax Increment and Parking Revenue Bonds, Centre City Project, Series 2003B, 5.250%, 9/01/26   12/21 at 100.00 AAA 1,486,201
3,000   San Francisco Bay Area Rapid Transit District, California, Sales Tax Revenue Bonds, Series 2019A, 3.000%, 7/01/44   7/27 at 100.00 AA+ 3,171,420
380   San Francisco City and County Redevelopment Agency Successor Agency, California, Special Tax Bonds, Community Facilities District 6 Mission Bay South Public Improvements, Refunding Series 2013A, 5.000%, 8/01/33   8/22 at 100.00 N/R 388,979
630   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 N/R 676,494
2,700   San Francisco City and County Redevelopment Financing Authority, California, Tax Allocation Revenue Bonds, San Francisco Redevelopment Projects, Series 1998D, 0.000%, 8/01/24  –  NPFG Insured   No Opt. Call AA 2,655,099
50   Signal Hill Redevelopment Agency, California, Project 1 Tax Allocation Bonds, Series 2011, 7.000%, 10/01/26   12/21 at 100.00 N/R 50,240
3,600   Stockton Public Financing Authority, California, Revenue Bonds, Arch Road East Community Facility District 99-02, Series 2018A, 5.000%, 9/01/33   9/25 at 103.00 N/R 4,112,208
    Temecula Public Financing Authority, California, Special Tax Bonds, Community Facilities District 16-01, Series 2017:        
2,170   6.125%, 9/01/37, 144A   9/27 at 100.00 N/R 2,443,311
1,000   6.250%, 9/01/47, 144A   9/27 at 100.00 N/R 1,118,150
635   Transbay Joint Powers Authority, California, Tax Allocation Bonds, Senior Green Series 2020A, 5.000%, 10/01/45   4/30 at 100.00 A- 796,055
4,500   Virgin Islands Public Finance Authority, Gross Receipts Taxes Loan Note, Refunding Series 2012A, 5.000%, 10/01/32  –  AGM Insured   10/22 at 100.00 AA 4,635,495
    West Patterson Financing Authority, California, Special Tax Bonds, Community Facilities District 2015-1 Arambel-KDN, Refunding Series 2015:        
350   5.250%, 9/01/35   9/25 at 100.00 N/R 391,829
790   5.250%, 9/01/45   9/25 at 100.00 N/R 878,322
4,110   West Sacramento Financing Authority, California, Special Tax Revenue Bonds, Series 2014, 5.500%, 9/01/31   9/22 at 102.00 N/R 4,316,815
203,631   Total Tax Obligation/Limited       207,483,477
    Transportation – 10.6% (6.7% of Total Investments)        
9,005   Alameda Corridor Transportation Authority, California, Revenue Bonds, Refunding Second Subordinate Lien Series 2016B, 5.000%, 10/01/36   10/26 at 100.00 BBB+ 10,591,141
5,000   Los Angeles Department of Airports, California, Revenue Bonds, Los Angeles International Airport, Refunding Senior Lien Series 2020B, 4.000%, 5/15/39   5/30 at 100.00 Aa2 5,978,350
8

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Transportation (continued)        
    Los Angeles Department of Airports, California, Revenue Bonds, Los Angeles International Airport, Senior Lien Series 2015E:        
$150   5.000%, 5/15/31   5/25 at 100.00 Aa2 $172,211
1,270   5.000%, 5/15/34   5/25 at 100.00 Aa2 1,455,699
1,345   5.000%, 5/15/36   5/25 at 100.00 Aa2 1,539,178
4,000   Los Angeles Department of Airports, California, Revenue Bonds, Los Angeles International Airport, Subordinate Lien Series 2017B, 5.000%, 5/15/42   5/27 at 100.00 Aa3 4,879,960
49,185   San Francisco Airports Commission, California, Revenue Bonds, San Francisco International Airport, Governmental Purpose Second Series 2017B, 5.000%, 5/01/47   5/27 at 100.00 A1 59,263,498
69,955   Total Transportation       83,880,037
    U.S. Guaranteed – 23.6% (15.1% of Total Investments) (7)        
1,050   ABAG Finance Authority for Non-Profit Corporations, California, Revenue Bonds, The Jackson Laboratory, Series 2012, 5.000%, 7/01/37 (Pre-refunded 7/01/22)   7/22 at 100.00 A1 1,079,495
1,115   Bay Area Toll Authority, California, Revenue Bonds, San Francisco Bay Area Toll Bridge, Series 2013S-4, 5.250%, 4/01/48 (Pre-refunded 4/01/23)   4/23 at 100.00 A1 1,190,106
655   Beaumont Financing Authority, California, Local Agency Revenue Bonds, Improvement Area 19C, Series 2013A, 5.000%, 9/01/27 (Pre-refunded 9/01/23)   9/23 at 100.00 N/R 708,579
430   California Health Facilities Financing Authority, California, Revenue Bonds, Sutter Health, Refunding Series 2015A, 5.000%, 8/15/43 (Pre-refunded 8/15/25)   8/25 at 100.00 A1 502,485
2,040   California Health Facilities Financing Authority, California, Revenue Bonds, Sutter Health, Refunding Series 2016B, 5.000%, 11/15/46 (Pre-refunded 11/15/26)   11/26 at 100.00 N/R 2,483,414
    California Health Facilities Financing Authority, California, Revenue Bonds, Sutter Health, Series 2016A:        
18,430   5.000%, 11/15/41 (Pre-refunded 11/15/25)   11/25 at 100.00 A1 21,724,731
7,500   5.000%, 11/15/46 (Pre-refunded 11/15/25)   11/25 at 100.00 A1 8,840,775
610   California Health Facilities Financing Authority, Revenue Bonds, Providence Health & Services, Refunding Series 2014A, 5.000%, 10/01/38 (Pre-refunded 10/01/24)   10/24 at 100.00 N/R 691,002
    California Infrastructure and Economic Development Bank, First Lien Revenue Bonds, San Francisco Bay Area Toll Bridge, Series 2003A:        
3,000   5.000%, 7/01/22  –  AGM Insured (ETM)   No Opt. Call AA+ 3,084,690
2,250   5.000%, 7/01/36 (Pre-refunded 1/01/28)  –  AMBAC Insured   1/28 at 100.00 AA+ 2,813,738
3,000   California Infrastructure and Economic Development Bank, Infrastructure State Revolving Fund Revenue Bonds, Series 2016A, 5.000%, 10/01/41 (Pre-refunded 10/01/26)   10/26 at 100.00 AAA 3,643,770
4,475   California Municipal Finance Authority Charter School Revenue Bonds, Albert Einstein Academies Project, Series 2013A, 7.125%, 8/01/43 (Pre-refunded 8/01/23)   8/23 at 100.00 BB 4,968,951
    California Municipal Finance Authority, Mobile Home Park Revenue Bonds, Windsor Mobile Country Club Series 2013A:        
2,000   5.625%, 11/15/33 (Pre-refunded 11/15/23)   11/23 at 100.00 N/R 2,204,360
8,000   6.000%, 11/15/48 (Pre-refunded 11/15/23)   11/23 at 100.00 N/R 8,870,800
7,875   California Municipal Finance Authority, Revenue Bonds, Pomona College, Series 2017, 5.000%, 1/01/48 (Pre-refunded 1/01/28)   1/28 at 100.00 AAA 9,849,656
3,000   Escondido Joint Powers Financing Authority, California, Revenue Bonds, Water System Financing, Series 2012, 5.000%, 9/01/41 (Pre-refunded 3/01/22)   3/22 at 100.00 AA- 3,035,430
9

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2021
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    U.S. Guaranteed (7) (continued)        
$6,750   Foothill/Eastern Transportation Corridor Agency, California, Toll Road Revenue Bonds, Refunding Junior Lien Series 2013C, 6.500%, 1/15/43 (Pre-refunded 1/15/24)   1/24 at 100.00 BBB+ $7,553,655
    Foothill/Eastern Transportation Corridor Agency, California, Toll Road Revenue Bonds, Refunding Series 2013A:        
14,885   5.750%, 1/15/46 (Pre-refunded 1/15/24)   1/24 at 100.00 A- 16,590,375
14,885   6.000%, 1/15/53 (Pre-refunded 1/15/24)   1/24 at 100.00 A- 16,658,697
1,000   Fullerton Community Facilities District 1, California, Special Tax Bonds, Amerige Heights, Refunding Series 2012, 5.000%, 9/01/32 (Pre-refunded 9/01/22)   9/22 at 100.00 A+ 1,035,880
45,825   Golden State Tobacco Securitization Corporation, California, Enhanced Tobacco Settlement Asset-Backed Revenue Bonds, Refunding Series 2015A, 5.000%, 6/01/45 (Pre-refunded 6/01/25)   6/25 at 100.00 Aa3 53,084,138
1,000   Golden State Tobacco Securitization Corporation, California, Enhanced Tobacco Settlement Asset-Backed Revenue Bonds, Series 2013A, 5.000%, 6/01/30 (Pre-refunded 6/01/23)   6/23 at 100.00 Aa3 1,071,010
    Lake Elsinore Public Financing Authority, California, Local Agency Revenue Bonds, Canyon Hills Improvement Area D, Series 2014A:        
1,140   5.500%, 9/01/33 (Pre-refunded 9/01/23)   9/23 at 100.00 N/R 1,243,181
2,105   5.750%, 9/01/44 (Pre-refunded 9/01/23)   9/23 at 100.00 N/R 2,304,680
1,115   Rio Elementary School District, California, Special Tax Bonds, Community Facilities District 1, Series 2013, 5.500%, 9/01/39 (Pre-refunded 9/01/23)   9/23 at 100.00 N/R 1,215,919
1,000   San Diego County Regional Transportation Commission, California, Sales Tax Revenue Bonds, Refunding Series 2012A, 5.000%, 4/01/42 (Pre-refunded 4/01/22)   4/22 at 100.00 AAA 1,016,120
995   San Marcos Public Financing Authority, California, Special Tax Revenue Bonds, Refunding Series 2012D, 5.000%, 9/01/36 (Pre-refunded 9/01/22)   9/22 at 100.00 N/R 1,029,934
2,870   Sanger Unified School District, Fresno County, California, General Obligation Bonds, Election 2012, Series 2014B, 5.000%, 8/01/39 (Pre-refunded 8/01/24)  –  AGM Insured   8/24 at 100.00 AA 3,224,330
5,000   Walnut Valley Unified School District, Los Angeles County, California, General Obligation Bonds, Election 2007 Measure S, Series 2014C, 5.000%, 8/01/39 (Pre-refunded 8/01/24)   8/24 at 100.00 Aa1 5,624,400
164,000   Total U.S. Guaranteed       187,344,301
    Utilities – 28.7% (18.3% of Total Investments)        
7,600   Bay Area Water Supply and Conservation Agency, California, Revenue Bonds, Capital Cost Recovery Prepayment Program, Series 2013A, 5.000%, 10/01/34   4/23 at 100.00 AA- 8,048,780
5,850   California Infrastructure and Economic Development Bank. Clean Water State Revolving Fund Revenue Bonds, Green Series 2018, 5.000%, 10/01/43   4/28 at 100.00 AAA 7,250,841
3,675   California Pollution Control Financing Authority, Water Furnishing Revenue Bonds, San Diego County Water Authoriity Desalination Project Pipeline, Refunding Series 2019, 5.000%, 7/01/39, 144A   1/29 at 100.00 BBB 4,429,036
    Long Beach Bond Finance Authority, California, Natural Gas Purchase Revenue Bonds, Series 2007A:        
2,490   5.000%, 11/15/35   No Opt. Call AA- 3,453,804
1,835   5.500%, 11/15/37   No Opt. Call AA- 2,726,737
10,000   Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Series 2012B, 5.000%, 7/01/43   7/22 at 100.00 Aa2 10,274,600
10

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Utilities (continued)        
$4,280   Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Series 2013B, 5.000%, 7/01/28   7/23 at 100.00 Aa2 $4,598,817
5,000   Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Series 2016A, 5.000%, 7/01/46   1/26 at 100.00 Aa2 5,801,300
6,015   Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Series 2017A, 5.000%, 7/01/42   1/27 at 100.00 Aa2 7,211,203
16,400   Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Series 2017C, 5.000%, 7/01/47   7/27 at 100.00 Aa2 19,920,096
3,490   Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Series 2019C, 5.000%, 7/01/49   7/29 at 100.00 AA- 4,397,225
2,000   Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Series 2021B, 5.000%, 7/01/46   1/31 at 100.00 Aa2 2,588,900
3,750   Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Tender Option Bond Trust 3345. As Of 6/4/2015 Converted to Trust 2015-XF2047, 17.762%, 7/01/43, 144A (IF) (8)   7/22 at 100.00 Aa2 4,161,900
3,775   Los Angeles Department of Water and Power, California, Waterworks Revenue Bonds, Refunding Series 2016B, 5.000%, 7/01/35   1/26 at 100.00 AA+ 4,427,962
16,000   Los Angeles Department of Water and Power, California, Waterworks Revenue Bonds, Series 2012A, 5.000%, 7/01/43   7/22 at 100.00 AA+ 16,435,520
10,515   Los Angeles Department of Water and Power, California, Waterworks Revenue Bonds, Series 2014A, 5.000%, 7/01/44   7/24 at 100.00 AA+ 11,682,586
    Los Angeles Department of Water and Power, California, Waterworks Revenue Bonds, Series 2016A:        
5,680   5.000%, 7/01/35   1/26 at 100.00 AA+ 6,662,470
1,000   5.000%, 7/01/36   1/26 at 100.00 AA+ 1,172,080
    Los Angeles Department of Water and Power, California, Waterworks Revenue Bonds, Series 2017A:        
9,455   5.000%, 7/01/44   1/27 at 100.00 AA+ 11,361,317
5,000   5.250%, 7/01/44   1/27 at 100.00 AA+ 6,108,950
2,210   Los Angeles, California, Wastewater System Revenue Bonds, Green Subordinate Lien Series 2017A, 5.250%, 6/01/47   6/27 at 100.00 AA 2,711,007
5,000   Los Angeles, California, Wastewater System Revenue Bonds, Green Subordinate Series 2018A, 5.000%, 6/01/48   6/28 at 100.00 AA 6,137,500
9,500   Los Angeles, California, Wastewater System Revenue Bonds, Refunding Green Series 2015A, 5.000%, 6/01/44   6/25 at 100.00 AA+ 10,865,815
    Los Angeles, California, Wastewater System Revenue Bonds, Refunding Subordinate Lien Series 2013A:        
2,000   5.000%, 6/01/34   6/23 at 100.00 AA 2,132,660
3,500   5.000%, 6/01/35   6/23 at 100.00 AA 3,730,510
1,000   New York State Environmental Facilities Corporation, State Clean Water and Drinking Water Revolving Funds Revenue Bonds, New York City Municipal Water Finance Authority Projects-Second Resolution Bonds,, 5.000%, 6/15/48   6/28 at 100.00 AAA 1,235,140
1,500   Placerville Public Financing Authority, California, Wastewater System Refinancing and Improvement Project Revenue Bonds, Series 2006, 5.000%, 9/01/34  –  SYNCORA GTY Insured   12/21 at 100.00 N/R 1,515,780
11

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2021
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Utilities (continued)        
    Puerto Rico Aqueduct and Sewerage Authority, Revenue Bonds, Senior Lien Series 2012A:        
$580   5.500%, 7/01/28   7/22 at 100.00 CCC $596,948
2,140   5.750%, 7/01/37   7/22 at 100.00 CCC 2,205,634
1,750   6.000%, 7/01/47   7/22 at 100.00 CCC 1,805,895
4,500   Rancho California Water District Financing Authority, California, Revenue Bonds, Refunding Series 2019A, 3.000%, 8/01/40   2/30 at 100.00 AAA 4,927,230
2,500   Sacramento County Sanitation Districts Financing Authority, California, Revenue Bonds, Sacramento Regional County Sanitation District, Series 2014A, 5.000%, 12/01/33   6/24 at 100.00 AA 2,769,850
2,500   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 AA 3,231,425
4,000   San Diego Public Facilities Financing Authority, California, Water Utility Revenue Bonds, Refunding Subordinate Lien Series 2016B, 5.000%, 8/01/37   8/26 at 100.00 Aa3 4,753,520
26,220   San Francisco City and County Public Utilities Commission, California, Water Revenue Bonds, Refunding Green Series 2017D, 5.000%, 11/01/33 (UB) (8)   11/27 at 100.00 Aa2 32,338,699
2,975   Southern California Public Power Authority, California, Revenue Bonds, Apex Power Project Series 2014A, 5.000%, 7/01/37   7/24 at 100.00 AA- 3,293,206
195,685   Total Utilities       226,964,943
$1,120,937   Total Long-Term Investments (cost $1,087,543,352)       1,242,386,685
    Floating Rate Obligations – (2.6)%       (20,975,000)
    MuniFund Preferred Shares, net of deferred offering costs – (17.7)% (9)       (140,005,661)
    Variable Rate Demand Preferred Shares, net of deferred offering costs – (36.7)% (10)       (290,570,089)
    Other Assets Less Liabilities – 0.2%       1,277,488
    Net Asset Applicable to Common Shares – 100%       $792,113,423
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.).
12

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 $ — $1,241,581,786 $804,899 $1,242,386,685
    
(1) All percentages shown in the Portfolio of Investments are based on net assets applicable to common shares unless otherwise noted.  
(2) 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.  
(3) 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.  
(4) Investment valued at fair value using methods determined in good faith by, or at the discretion of, the Board. For fair value measurement disclosure purposes, investment classified as Level 3.  
(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) 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.  
(7) 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.  
(8) Investment, or portion of investment, has been pledged to collateralize the net payment obligations for investments in inverse floating rate transactions.  
(9) MuniFund Preferred Shares, net of deferred offering costs as a percentage of Total Investments is 11.3%.  
(10) Variable Rate Demand Preferred Shares, net of deferred offering costs as a percentage of Total Investments is 23.4%.  
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.  
ETM Escrowed to maturity  
IF Inverse floating rate security issued by a tender option bond (“TOB”) trust, the interest rate on which varies inversely with the Securities Industry Financial Markets Association (SIFMA) short-term rate, which resets weekly, or a similar short-term rate, and is reduced by the expenses related to the TOB trust.  
UB Underlying bond of an inverse floating rate trust reflected as a financing transaction.  
WI/DD Purchased on a when-issued or delayed delivery basis.  
13