NPORT-EX 2 NKX.htm
NKX
Nuveen California AMT-Free Quality Municipal Income Fund
Portfolio of Investments    November 30, 2019
(Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    LONG-TERM INVESTMENTS – 157.1% (100.0% of Total Investments)        
    MUNICIPAL BONDS – 157.1% (100.0% of Total Investments)        
    Consumer Staples  – 6.7% (4.3% of Total Investments)        
$235   California County Tobacco Securitization Agency, Tobacco Settlement Asset-Backed Bonds, Alameda County Tobacco Asset Securitization Corporation, Series 2002, 5.750%, 6/01/29   12/19 at 100.00 A3 $237,432
    California County Tobacco Securitization Agency, Tobacco Settlement Asset-Backed Bonds, Los Angeles County Securitization Corporation, Series 2006A:        
6,350   5.600%, 6/01/36   12/19 at 100.00 B2 6,395,466
325   5.650%, 6/01/41   12/19 at 100.00 B2 327,272
890   California Statewide Financing Authority, Tobacco Settlement Asset-Backed Bonds, Pooled Tobacco Securitization Program, Series 2002A, 5.625%, 5/01/29   12/19 at 100.00 Baa1 896,310
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- 6,639,794
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 25,602,457
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 3,801,822
8,450   Tobacco Securitization Authority of Northern California, Tobacco Settlement Asset-Backed Bonds, Series 2005A-1, 5.375%, 6/01/38   12/19 at 100.00 B- 8,482,448
51,060   Total Consumer Staples       52,383,001
    Education and Civic Organizations – 5.8% (3.7% of Total Investments)        
1,050   ABAG Finance Authority for Non-Profit Corporations, California, Revenue Bonds, The Jackson Laboratory, Series 2012, 5.000%, 7/01/37   7/22 at 100.00 A1 1,143,775
3,000   California Educational Facilities Authority, Revenue Bonds, Pepperdine University, Series 2015, 5.000%, 9/01/40   9/25 at 100.00 AA 3,524,160
4,475   California Municipal Finance Authority Charter School Revenue Bonds, Albert Einstein Academies Project, Series 2013A, 7.125%, 8/01/43   8/23 at 100.00 BB- 4,980,406
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 1,978,488
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 1,687,504
7,875   California Municipal Finance Authority, Revenue Bonds, Pomona College, Series 2017, 5.000%, 1/01/48   1/28 at 100.00 AAA 9,569,227
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 706,145
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 833,580
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 5,515,951
1

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2019
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Education and Civic Organizations (continued)        
$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+ $319,724
1,725   California State University, System wide Revenue Bonds, Series 2016A, 4.000%, 11/01/38   5/26 at 100.00 Aa2 1,916,596
175   California Statewide Communities Development Authority, Charter School Revenue Bonds, Rocketship 4 - Mosaic Elementary Charter School, Series 2011A, 8.500%, 12/01/41   12/21 at 100.00 N/R 192,819
300   California Statewide Communities Development Authority, School Facility Revenue Bonds, Alliance College-Ready Public Schools, Series 2011A, 7.000%, 7/01/46   7/21 at 100.00 B+ 316,872
10,000   University of California, General Revenue Bonds, Series 2018AZ, 5.000%, 5/15/48   5/28 at 100.00 AA 12,211,200
38,570   Total Education and Civic Organizations       44,896,447
    Financials – 0.1% (0.1% of Total Investments)        
    Puerto Rico Urgent Interest Fund Corp (COFINA), National Custodial Taxable Trust Unit, Series 2007A Sr. Bond:        
5,337   0.000%, 8/01/43 (4)   No Opt. Call N/R 266,846
349   0.000%, 8/01/44 (4)   No Opt. Call N/R 48,055
3,983   0.000%, 8/01/44 (4)   No Opt. Call N/R 199,130
478   0.000%, 8/01/45 (4)   No Opt. Call N/R 65,674
1,450   0.000%, 8/01/45 (4)   No Opt. Call N/R 72,524
6,583   0.000%, 8/01/46 (4)   No Opt. Call N/R 329,167
18,180   Total Financials       981,396
    Health Care – 16.4% (10.4% of Total Investments)        
430   California Health Facilities Financing Authority, California, Revenue Bonds, Sutter Health, Refunding Series 2015A, 5.000%, 8/15/43   8/25 at 100.00 AA- 499,428
    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 AA- 14,707,062
5,000   5.000%, 11/15/46   11/26 at 100.00 AA- 5,913,800
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 AA- 11,248,665
    California Health Facilities Financing Authority, California, Revenue Bonds, Sutter Health, Series 2016A:        
18,430   5.000%, 11/15/41   11/25 at 100.00 AA- 21,578,397
7,500   5.000%, 11/15/46   11/25 at 100.00 AA- 8,731,350
3,500   California Health Facilities Financing Authority, California, Revenue Bonds, Sutter Health, Series 2018A, 5.000%, 11/15/48   11/27 at 100.00 AA- 4,181,660
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+ 1,378,003
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+ 1,170,380
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 AA- 1,101,760
2

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Health Care (continued)        
$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- $11,068,700
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- 2,840,670
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- 2,197,680
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- 912,350
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- 3,169,376
335   California Health Facilities Financing Authority, Revenue Bonds, Rady Children's Hospital - San Diego, Series 2011, 5.250%, 8/15/41   8/21 at 100.00 AA 355,968
250   California Municipal Finance Authority, Revenue Bonds, Eisenhower Medical Center, Refunding Series 2017A, 5.000%, 7/01/42   7/27 at 100.00 Baa2 289,888
1,690   California Municipal Finance Authority, Revenue Bonds, NorthBay Healthcare Group, Series 2017A, 5.250%, 11/01/36   11/26 at 100.00 BBB- 1,965,690
5,200   California Statewide Communities Development Authority, California, Revenue Bonds, Loma Linda University Medical Center, Series 2014A, 5.250%, 12/01/44   12/24 at 100.00 BB 5,750,680
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 16,601,072
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 2,316,480
    California Statewide Community Development Authority, Revenue Bonds, Daughters of Charity Health System, Series 2005A:        
700   5.750%, 7/01/24   12/19 at 100.00 N/R 695,800
4,240   5.750%, 7/01/30   12/19 at 100.00 N/R 4,221,132
105   5.750%, 7/01/35   12/19 at 100.00 N/R 104,082
3,440   California Statewide Community Development Authority, Revenue Bonds, Sherman Oaks Health System, Series 1998A, 5.000%, 8/01/22  –  AMBAC Insured   No Opt. Call AA- 3,562,567
850   San Buenaventura, California, Revenue Bonds, Community Memorial Health System, Series 2011, 7.500%, 12/01/41   12/21 at 100.00 BB 935,909
112,490   Total Health Care       127,498,549
    Housing/Multifamily – 1.0% (0.7% of Total Investments)        
500   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 555,870
1,211   California Housing Finance Agency, Multifamily Housing Revenue Bonds, Series2019-1, 4.250%, 1/15/35   No Opt. Call BBB+ 1,413,731
    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 BBB+ 292,492
705   5.250%, 8/15/49   8/24 at 100.00 BBB+ 783,826
155   California Municipal Finance Authority, Mobile Home Park Revenue Bonds, Caritas Projects Series 2012A, 5.500%, 8/15/47   8/22 at 100.00 BBB 165,514
3

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2019
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Housing/Multifamily (continued)        
$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 $381,871
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 B1 140,952
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- 3,550,789
    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 753,107
185   5.000%, 6/15/49   6/24 at 100.00 A 206,360
7,461   Total Housing/Multifamily       8,244,512
    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   2/21 at 100.00 AA 2,385,675
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 1,511,705
3,550   Total Long-Term Care       3,897,380
    Tax Obligation/General – 36.3% (23.1% of Total Investments)        
1,000   California State, General Obligation Bonds, Refunding Series 2011, 5.250%, 9/01/25   9/21 at 100.00 Aa2 1,072,650
1,600   California State, General Obligation Bonds, Refunding Various Purpose Series 2016, 5.000%, 8/01/33   8/26 at 100.00 Aa2 1,938,016
    California State, General Obligation Bonds, Refunding Various Purpose Series 2019:        
3,250   5.000%, 4/01/32   No Opt. Call Aa2 4,407,357
15,000   5.000%, 11/01/39   11/28 at 100.00 Aa2 18,727,200
6,000   California State, General Obligation Bonds, Various Purpose Series 2010, 6.000%, 3/01/33   3/20 at 100.00 Aa2 6,071,400
    California State, General Obligation Bonds, Various Purpose Series 2011:        
2,000   5.000%, 9/01/31   9/21 at 100.00 Aa2 2,134,880
4,090   5.000%, 9/01/41   9/21 at 100.00 Aa2 4,365,830
2,625   5.000%, 10/01/41   10/21 at 100.00 Aa2 2,809,879
    California State, General Obligation Bonds, Various Purpose Series 2013:        
3,500   5.000%, 4/01/37   4/23 at 100.00 Aa2 3,917,375
2,000   5.000%, 2/01/43   2/23 at 100.00 Aa2 2,216,660
5,520   5.000%, 11/01/43   11/23 at 100.00 Aa2 6,247,978
    California State, General Obligation Bonds, Various Purpose Series 2014:        
2,460   5.000%, 10/01/39   10/24 at 100.00 Aa2 2,866,244
9,000   5.000%, 12/01/43   12/23 at 100.00 Aa2 10,210,500
9,000   5.000%, 10/01/44   10/24 at 100.00 Aa2 10,334,340
8,000   California State, General Obligation Bonds, Various Purpose Series 2015, 5.000%, 3/01/45   3/25 at 100.00 Aa2 9,276,080
4

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/General (continued)        
$5,390   California State, General Obligation Bonds, Various Purpose Series 2016, 5.000%, 9/01/46   9/26 at 100.00 Aa2 $6,397,930
7,995   California State, General Obligation Bonds, Various Purpose Series 2017, 5.000%, 11/01/47   11/27 at 100.00 Aa2 9,703,052
6,505   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 7,301,017
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 9,919,537
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 12,064,037
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 3,386,396
4,500   Mount Diablo Unified School District, Contra Costa County, California, General Obligation Bonds, Series 2010A, 0.000%, 8/01/30  –  AGM Insured (5)   8/25 at 100.00 AA 4,791,825
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 3,730,452
1,125   San Diego Unified School District, San Diego County, California, General Obligation Bonds, Election of 1998, Series 1999A, 0.000%, 7/01/21  –  FGIC Insured   No Opt. Call Aa2 1,104,401
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 9,254,789
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 AA+ 12,028,576
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 2,479,420
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 (5)   No Opt. Call Aaa 2,536,874
2,870   Sanger Unified School District, Fresno County, California, General Obligation Bonds, Election 2012, Series 2014B, 5.000%, 8/01/39  –  AGM Insured   8/24 at 100.00 AA 3,303,657
    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 1,798,975
2,110   3.000%, 8/01/41   8/29 at 100.00 AA 2,151,588
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 5,494,400
    Stockton Unified School District, San Joaquin County, California, General Obligation Bonds, Election 2008 Series 2011D:        
23,280   0.000%, 8/01/47  –  AGC Insured (5)   8/37 at 100.00 AA 25,809,372
38,845   0.000%, 8/01/50  –  AGM Insured (5)   8/37 at 100.00 AA 43,086,874
15,780   Sylvan Union School District, Stanislaus County, California, General Obligation Bonds, Election of 2006, Series 2010, 0.000%, 8/01/49  –  AGM Insured (5)   No Opt. Call AA 15,634,982
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   8/24 at 100.00 Aa1 5,926,100
5

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2019
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/General (continued)        
$8,345   Yosemite Community College District, California, General Obligation Bonds, Capital Appreciation, Election 2004, Series 2010D, 0.000%, 8/01/42 (5)   No Opt. Call Aa2 $7,891,282
271,790   Total Tax Obligation/General       282,391,925
    Tax Obligation/Limited – 36.1% (23.0% of Total Investments)        
655   Beaumont Financing Authority, California, Local Agency Revenue Bonds, Improvement Area 19C, Series 2013A, 5.000%, 9/01/27   9/23 at 100.00 N/R 723,782
1,000   Bell Community Redevelopment Agency, California, Tax Allocation Bonds, Bell Project Area, Series 2003, 5.625%, 10/01/33  –  RAAI Insured   12/19 at 100.00 AA 1,003,260
6,700   Brea and Olinda Unified School District, Orange County, California, Certificates of Participation Refunding, Series 2002A, 5.125%, 8/01/26  –  AGM Insured   12/19 at 100.00 AA 6,721,507
3,000   California Infrastructure and Economic Development Bank, Infrastructure State Revolving Fund Revenue Bonds, Series 2016A, 5.000%, 10/01/41   10/26 at 100.00 AAA 3,588,270
    California Infrastructure and Economic Development Bank, Revenue Bonds, North County Center for Self-Sufficiency Corporation, Series 2004:        
1,215   5.000%, 12/01/19  –  AMBAC Insured   10/19 at 100.00 AA+ 1,215,000
1,535   5.000%, 12/01/20  –  AMBAC Insured   12/19 at 100.00 AA+ 1,539,728
1,615   5.000%, 12/01/21  –  AMBAC Insured   12/19 at 100.00 AA+ 1,619,813
1,695   5.000%, 12/01/22  –  AMBAC Insured   12/19 at 100.00 AA+ 1,700,051
1,780   5.000%, 12/01/23  –  AMBAC Insured   12/19 at 100.00 AA+ 1,785,287
1,865   5.000%, 12/01/24  –  AMBAC Insured   12/19 at 100.00 AA+ 1,870,539
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 7,980,000
    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 3,028,378
2,065   5.000%, 4/01/31   4/22 at 100.00 Aa3 2,239,926
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 23,450,858
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 2,214,950
    Compton Community Redevelopment Agency, California, Tax Allocation Revenue Bonds, Redevelopment Projects, Second Lien Series 2010B:        
1,230   5.000%, 8/01/25   8/20 at 100.00 N/R 1,254,821
530   5.750%, 8/01/26   8/20 at 100.00 N/R 542,974
    El Monte, California, Senior Lien Certificates of Participation, Department of Public Services Facility Phase II, Series 2001:        
3,085   5.000%, 1/01/21  –  AMBAC Insured   12/19 at 100.00 Aa2 3,094,533
5,000   5.250%, 1/01/34  –  AMBAC Insured   12/19 at 100.00 Aa2 5,081,600
1,000   Fullerton Community Facilities District 1, California, Special Tax Bonds, Amerige Heights, Refunding Series 2012, 5.000%, 9/01/32   9/22 at 100.00 A+ 1,093,180
45,825   Golden State Tobacco Securitization Corporation, California, Enhanced Tobacco Settlement Asset-Backed Revenue Bonds, Refunding Series 2015A, 5.000%, 6/01/45   6/25 at 100.00 Aa3 52,755,573
6

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/Limited (continued)        
$1,000   Golden State Tobacco Securitization Corporation, California, Enhanced Tobacco Settlement Asset-Backed Revenue Bonds, Series 2013A, 5.000%, 6/01/30   6/23 at 100.00 Aa3 $1,122,190
    Government of Guam, Business Privilege Tax Bonds, Refunding Series 2015D:        
7,610   5.000%, 11/15/30   11/25 at 100.00 BB 8,598,387
4,000   5.000%, 11/15/34   11/25 at 100.00 BB 4,484,040
1,365   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 1,476,275
    Lake Elsinore Public Financing Authority, California, Local Agency Revenue Bonds, Canyon Hills Improvement Area D, Series 2014A:        
1,140   5.500%, 9/01/33   9/23 at 100.00 N/R 1,268,831
2,105   5.750%, 9/01/44   9/23 at 100.00 N/R 2,323,099
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 1,256,320
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 2,263,180
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 1,130,160
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   12/19 at 100.00 Aa2 6,207,084
    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 9,654,045
7,140   5.000%, 7/01/41   7/27 at 100.00 AAA 8,727,222
4,000   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 AAA 4,921,440
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 3,926,178
3,855   Los Angeles County Public Works Financing Authority, California, Lease Revenue Bonds, Series 2019E-2, 5.000%, 12/01/44   12/29 at 100.00 AA+ 4,805,450
475   Lynwood Redevelopment Agency, California, Tax Allocation Revenue Bonds, Project Area A, Subordinate Lien Series 2011A, 7.250%, 9/01/38   9/21 at 100.00 A 523,526
    Patterson Public Finance Authority, California, Revenue Bonds, Community Facilities District 2001-1, Senior Series 2013A:        
3,760   5.250%, 9/01/30   9/23 at 100.00 N/R 4,165,629
3,360   5.750%, 9/01/39   9/23 at 100.00 N/R 3,742,771
545   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 608,449
1,975   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 2,195,825
7

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2019
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/Limited (continued)        
    Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Bonds, Restructured 2018A-1:        
$341   0.000%, 7/01/24   No Opt. Call N/R $299,006
303   4.550%, 7/01/40   7/28 at 100.00 N/R 313,675
7,830   0.000%, 7/01/46   7/28 at 41.38 N/R 2,070,017
6,379   0.000%, 7/01/51   7/28 at 30.01 N/R 1,250,603
2,237   4.750%, 7/01/53   7/28 at 100.00 N/R 2,314,959
14,834   5.000%, 7/01/58   7/28 at 100.00 N/R 15,586,825
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 12,192
    Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Bonds, Taxable Restructured COFINA Project Series 2019A-2:        
447   4.329%, 7/01/40   7/28 at 100.00 N/R 454,259
178   4.784%, 7/01/58   7/28 at 100.00 N/R 183,600
40   Riverside County Redevelopment Agency, California, Tax Allocation Bonds, Jurupa Valley Project Area, Series 2011B, 6.500%, 10/01/25   10/21 at 100.00 A 43,877
    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 706,748
1,775   5.000%, 9/01/42   9/22 at 100.00 N/R 1,888,529
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 459,184
    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 4,441,427
8,290   5.000%, 10/01/41   10/26 at 100.00 AA 9,834,012
6,230   5.000%, 10/01/47   10/26 at 100.00 AA 7,347,787
280   Sacramento City Financing Authority, California, Lease Revenue Refunding Bonds, Series 1993A, 5.400%, 11/01/20  –  NPFG Insured   No Opt. Call Aa3 291,301
570   Sacramento City Financing Authority, California, Lease Revenue Refunding Bonds, Series 1993B, 5.400%, 11/01/20   No Opt. Call AAA 593,005
330   San Bernardino Joint Powers Financing Authority, California, Certificates of Participation Refunding, Police Station Financing Project, Series 1999, 5.500%, 9/01/20  –  NPFG Insured   12/19 at 100.00 Baa2 331,106
215   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 243,219
1,000   San Diego County Regional Transportation Commission, California, Sales Tax Revenue Bonds, Refunding Series 2012A, 5.000%, 4/01/42   4/22 at 100.00 AAA 1,084,230
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   12/19 at 100.00 AAA 1,484,751
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+ 3,051,630
8

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/Limited (continued)        
$665   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 $730,622
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 2,519,262
380   San Francisco, California, Community Facilities District 6, Mission Bay South Public Improvements, Special Tax Refunding Bonds, Series 2013A, 5.000%, 8/01/33   8/22 at 100.00 N/R 409,195
5,150   San Jacinto Unified School District, Riverside County, California, Certificates of Participation, Series 2010, 5.375%, 9/01/40  –  AGC Insured   9/20 at 100.00 AA 5,318,559
995   San Marcos Public Financing Authority, California, Special Tax Revenue Bonds, Refunding Series 2012D, 5.000%, 9/01/36   9/22 at 100.00 N/R 1,062,730
50   Signal Hill Redevelopment Agency, California, Project 1 Tax Allocation Bonds, Series 2011, 7.000%, 10/01/26   4/21 at 100.00 N/R 53,365
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 4,225,536
    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 2,327,846
1,000   6.250%, 9/01/47, 144A   9/27 at 100.00 N/R 1,074,710
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 4,901,265
    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 380,657
790   5.250%, 9/01/45   9/25 at 100.00 N/R 851,106
4,195   West Sacramento Financing Authority, California, Special Tax Revenue Bonds, Series 2014, 5.500%, 9/01/31   9/22 at 102.00 N/R 4,646,550
262,686   Total Tax Obligation/Limited       280,691,476
    Transportation – 15.9% (10.1% 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+ 10,590,240
6,750   Foothill/Eastern Transportation Corridor Agency, California, Toll Road Revenue Bonds, Refunding Junior Lien Series 2013C, 6.500%, 1/15/43   1/24 at 100.00 BBB+ 7,946,168
    Foothill/Eastern Transportation Corridor Agency, California, Toll Road Revenue Bonds, Refunding Series 2013A:        
14,885   5.750%, 1/15/46   1/24 at 100.00 A- 17,165,382
14,885   6.000%, 1/15/53   1/24 at 100.00 A- 17,360,524
    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 AA 178,178
1,270   5.000%, 5/15/34   5/25 at 100.00 AA 1,500,835
1,345   5.000%, 5/15/36   5/25 at 100.00 AA 1,583,939
9

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2019
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Transportation (continued)        
$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 AA- $4,842,800
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 A+ 58,750,499
3,500   Stockton Public Financing Authority, California, Lease Revenue Bonds, Parking & Capital Projects, Series 2004, 5.250%, 9/01/34  –  FGIC Insured   12/19 at 100.00 Baa2 3,501,470
104,975   Total Transportation       123,420,035
    U.S. Guaranteed – 8.9% (5.6% of Total Investments) (6)        
3,000   ABAG Finance Authority for Non-Profit Corporations, California, Cal-Mortgage Insured Revenue Bonds, Channing House, Series 2010, 6.125%, 5/15/40 (Pre-refunded 5/15/20)   5/20 at 100.00 AA- 3,069,540
2,905   Antelope Valley Healthcare District, California, Revenue Bonds, Series 2011A, 6.875%, 3/01/26 (Pre-refunded 3/01/21)   3/21 at 100.00 N/R 3,076,715
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 AA- 1,274,434
1,630   California Health Facilities Financing Authority, Revenue Bonds, Children's Hospital Los Angeles, Series 2010A, 5.250%, 7/01/38 (Pre-refunded 7/01/20)  –  AGC Insured   7/20 at 100.00 AA 1,669,886
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 722,179
    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 Aaa 3,315,120
2,250   5.000%, 7/01/36 (Pre-refunded 1/01/28)  –  AMBAC Insured   1/28 at 100.00 AA+ 2,916,382
460   California Municipal Finance Authority, Mobile Home Park Revenue Bonds, Caritas Projects Series 2010A, 6.400%, 8/15/45 (Pre-refunded 8/15/20)   8/20 at 100.00 BBB 477,241
    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 2,354,820
8,000   6.000%, 11/15/48 (Pre-refunded 11/15/23)   11/23 at 100.00 N/R 9,531,680
750   California Municipal Finance Authority, Revenue Bonds, Eisenhower Medical Center, Series 2010A, 5.750%, 7/01/40 (Pre-refunded 7/01/20)   7/20 at 100.00 Baa2 770,513
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- 3,271,230
6,000   Huntington Park Redevelopment Agency, California, Single Family Residential Mortgage Revenue Refunding Bonds, Series 1986A, 8.000%, 12/01/19 (ETM)   No Opt. Call Aaa 6,000,000
    Marysville, California, Revenue Bonds, Fremont-Rideout Health Group, Series 2011:        
25   5.250%, 1/01/23 (Pre-refunded 1/01/21)   1/21 at 100.00 N/R 26,147
25   4.500%, 1/01/26 (Pre-refunded 1/01/21)   1/21 at 100.00 N/R 25,947
75   5.000%, 1/01/29 (Pre-refunded 1/01/21)   1/21 at 100.00 N/R 78,241
275   5.000%, 1/01/30 (Pre-refunded 1/01/21)   1/21 at 100.00 N/R 286,883
525   5.000%, 1/01/31 (Pre-refunded 1/01/21)   1/21 at 100.00 N/R 547,685
810   5.125%, 1/01/32 (Pre-refunded 1/01/21)   1/21 at 100.00 N/R 846,077
3,750   5.250%, 1/01/42 (Pre-refunded 1/01/21)   1/21 at 100.00 N/R 3,922,050
10

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    U.S. Guaranteed (6) (continued)        
$170   National City Community Development Commission, California, Tax Allocation Bonds, National City Redevelopment Project, Series 2011, 6.500%, 8/01/24 (Pre-refunded 8/01/21)   8/21 at 100.00 A $185,596
65   Novato Redevelopment Agency, California, Tax Allocation Bonds, Hamilton Field Redevelopment Project, Series 2011, 6.750%, 9/01/40 (Pre-refunded 9/01/21)   9/21 at 100.00 A- 71,530
    Palomar Pomerado Health Care District, California, Certificates of Participation, Series 2010:        
1,500   6.000%, 11/01/30 (Pre-refunded 11/01/20)   11/20 at 100.00 Ba1 1,567,410
2,595   6.000%, 11/01/41 (Pre-refunded 11/01/20)   11/20 at 100.00 Ba1 2,711,619
210   Rancho Santa Fe CSD Financing Authority, California, Revenue Bonds, Superior Lien Series 2011A, 5.750%, 9/01/30 (Pre-refunded 9/01/21)   9/21 at 100.00 A- 227,357
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 1,295,362
30   San Francisco Redevelopment Finance Authority, California, Tax Allocation Revenue Bonds, Mission Bay North Redevelopment Project, Series 2011C, 6.750%, 8/01/41 (Pre-refunded 2/01/21)   2/21 at 100.00 A- 32,011
    San Francisco Redevelopment Financing Authority, California, Tax Allocation Revenue Bonds, Mission Bay South Redevelopment Project, Series 2011D:        
30   7.000%, 8/01/33 (Pre-refunded 2/01/21)   2/21 at 100.00 BBB+ 32,083
40   7.000%, 8/01/41 (Pre-refunded 2/01/21)   2/21 at 100.00 BBB+ 42,778
    San Ysidro School District, San Diego County, California, General Obligation Bonds, 1997 Election Series 2011F:        
7,230   0.000%, 8/01/42 (Pre-refunded 8/01/21)  –  AGM Insured   8/21 at 21.00 AA 1,488,223
10,450   0.000%, 8/01/43 (Pre-refunded 8/01/21)  –  AGM Insured   8/21 at 19.43 AA 1,990,829
21,225   0.000%, 8/01/44 (Pre-refunded 8/01/21)  –  AGM Insured   8/21 at 17.98 AA 3,741,755
12,550   0.000%, 8/01/45 (Pre-refunded 8/01/21)  –  AGM Insured   8/21 at 16.64 AA 2,046,905
23,425   0.000%, 8/01/46 (Pre-refunded 8/01/21)  –  AGM Insured   8/21 at 15.39 AA 3,534,130
    Tustin Community Redevelopment Agency, California, Tax Allocation Housing Bonds Series 2010:        
1,205   5.000%, 9/01/30 (Pre-refunded 9/01/20)  –  AGM Insured   9/20 at 100.00 AA 1,241,560
3,250   5.250%, 9/01/39 (Pre-refunded 9/01/20)  –  AGM Insured   9/20 at 100.00 AA 3,354,617
95   Yorba Linda Redevelopment Agency, Orange County, California, Tax Allocation Revenue Bonds, Yorba Linda Redevelopment Project, Subordinate Lien Series 2011A, 6.000%, 9/01/26 (Pre-refunded 9/01/21)   9/21 at 100.00 N/R 103,244
1,000   Yuba Community College District, California, General Obligation Bonds, Election 2006 Series 2011C, 5.250%, 8/01/47 (Pre-refunded 8/01/21)   8/21 at 100.00 Aa2 1,072,240
126,390   Total U.S. Guaranteed       68,922,019
    Utilities – 8.8% (5.6% of Total Investments)        
    Long Beach Bond Finance Authority, California, Natural Gas Purchase Revenue Bonds, Series 2007A:        
2,490   5.000%, 11/15/35   No Opt. Call A+ 3,298,080
1,835   5.500%, 11/15/37   No Opt. Call A+ 2,589,570
11

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2019
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Utilities (continued)        
$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 AA $10,946,400
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 AA 4,869,955
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 AA 5,880,600
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 AA 7,208,677
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 AA 19,743,632
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 4,331,893
3,750   Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Tender Option Bond Trust 2015-XF2047, 14.702%, 7/01/43, 144A (IF) (7)   7/22 at 100.00 AA 5,169,600
1,000   Southern California Public Power Authority, California, Milford Wind Corridor Phase I Revenue Bonds, Series 2010-1, 5.000%, 7/01/28   1/20 at 100.00 Aa2 1,003,060
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 3,433,953
57,235   Total Utilities       68,475,420
    Water and Sewer – 20.6% (13.1% 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- 8,474,608
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 7,188,831
3,675   California Pollution Control Financing Authority, Water Furnishing Revenue Bonds, San Diego County Water Authority Desalination Project Pipeline, Refunding Series 2019, 5.000%, 7/01/39, 144A   1/29 at 100.00 BBB 4,433,520
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+ 4,536,644
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+ 17,535,680
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+ 12,078,580
    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+ 6,825,997
1,000   5.000%, 7/01/36   1/26 at 100.00 AA+ 1,199,420
    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+ 11,327,374
5,000   5.250%, 7/01/44   1/27 at 100.00 AA+ 6,101,850
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 2,706,277
12

Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Water and Sewer (continued)        
$5,000   Los Angeles, California, Wastewater System Revenue Bonds, Green Subordinate Series 2018A, 5.000%, 6/01/48   6/28 at 100.00 AA $6,097,650
9,500   Los Angeles, California, Wastewater System Revenue Bonds, Refunding Green Series 2015A, 5.000%, 6/01/44   6/25 at 100.00 AA+ 11,118,705
    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 2,255,640
3,500   5.000%, 6/01/35   6/23 at 100.00 AA 3,943,520
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 1,215,170
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   12/19 at 100.00 N/R 1,501,845
1,070   Puerto Rico Aqueduct and Sewerage Authority, Revenue Bonds, Senior Lien Series 2008A, 6.000%, 7/01/44   12/19 at 100.00 C 1,086,050
    Puerto Rico Aqueduct and Sewerage Authority, Revenue Bonds, Senior Lien Series 2012A:        
580   5.500%, 7/01/28   7/22 at 100.00 C 615,525
2,140   5.750%, 7/01/37   7/22 at 100.00 C 2,287,211
1,750   6.000%, 7/01/47   7/22 at 100.00 C 1,865,937
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 4,662,585
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 2,898,000
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 4,825,280
26,220   San Francisco City and County Public Utilities Commission, California, Water Revenue Bonds, Refunding Green Series 2017D, 5.000%, 11/01/33 (UB) (7)   11/27 at 100.00 Aa2 33,117,695
136,020   Total Water and Sewer       159,899,594
$1,190,407   Total Long-Term Investments (cost $1,079,803,129)       1,221,701,754
    Floating Rate Obligations – (2.7)%       (20,975,000)
    MuniFund Preferred Shares, net of deferred offering costs – (18.0)% (8)       (139,975,106)
    Variable Rate Demand Preferred Shares, net of deferred offering costs – (37.3)% (9)       (290,403,977)
    Other Assets Less Liabilities – 0.9%       7,272,163
    Net Asset Applicable to Common Shares – 100%       $777,619,834
13

NKX Nuveen California AMT-Free Quality Municipal Income Fund (continued)
  Portfolio of Investments November 30, 2019
  (Unaudited)
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. 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. A three-tier hierarchy 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 the reporting entity’s own 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 inputs or methodologies used for valuing securities are not an indication of the risks associated with investing in those securities. The following is a summary of the Fund’s fair value measurements as of the end of the reporting period:
  Level 1 Level 2 Level 3 Total
Long-Term Investments:        
Municipal Bonds $ — $1,221,701,754 $ — $1,221,701,754
    
(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) Effective February 12, 2019, the par value of the original bonds was replaced with taxable and tax exempt Puerto Rico Sales Tax Financing Corporation (commonly known as COFINA) bond units that are collateralized by a bundle of zero and coupon paying bonds. The quantity shown represents units in a trust, which were assigned according to the original bond’s accreted value. These securities do not have a stated coupon interest rate and income will be recognized through accretion of the discount associated with the trust units. The factor at which these units accrete can also decrease, primarily for principal payments generated from coupon payments received or dispositions of the underlying bond collateral. The quantity of units will not change as a result of these principal payments.  
(5) 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.  
(6) 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.  
(7) Investment, or portion of investment, has been pledged to collateralize the net payment obligations for investments in inverse floating rate transactions.  
(8) MuniFund Preferred Shares, net of deferred offering costs as a percentage of Total Investments is 11.5%.  
(9) Variable Rate Demand Preferred Shares, net of deferred offering costs as a percentage of Total Investments is 23.8%.  
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.  
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