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Group A,B&C 64990AED3 1000000.00000000 PA USD 1155680.00000000 2.041331919619 Long DBT MUN US N 2 2035-03-15 Fixed 5.00000000 N N N N N N New York Transportation Development Corporation, Special Facility Revenue Bonds, Delta Air Lines, Inc. - LaGuardia Airport Terminals C&D Redevelopment N/A New York Transportation Development Corporation, Special Facility Revenue Bonds, Delta Air Lines, Inc. - LaGuardia Airport Terminals C&D Redevelopment 650116CG9 700000.00000000 PA USD 856688.00000000 1.513208292568 Long DBT MUN US N 2 2028-01-01 Fixed 5.00000000 N N N N N N Utility Debt Securitization Authority, New York, Restructuring Bonds, Series 2016B N/A Utility Debt Securitization Authority, New York, Restructuring Bonds, Series 2016B 91802RCZ0 1750000.00000000 PA USD 2074170.00000000 3.663703990479 Long DBT MUN US N 2 2035-12-15 Fixed 5.00000000 N N N N N N Dormitory Authority of the State of New York, Non-State Supported Debt, Ozanam Hall of Queens Nursing Home Revenue Bonds, Series 2006 549300C8XO7EXTX2XU71 Dormitory Authority of the State of New York, Non-State Supported Debt, Ozanam Hall of Queens Nursing Home Revenue Bonds, Series 2006 64983Q7L7 100000.00000000 PA USD 100802.00000000 0.178051311921 Long DBT MUN US N 2 2031-11-01 Fixed 5.00000000 N N N N N N Nassau County, New York, General Obligation Bonds, General Improvement Bonds Series 2019B 549300ICRCGQYCPS7T40 Nassau County, New York, General Obligation Bonds, General Improvement Bonds Series 2019B 63165TS71 1000000.00000000 PA USD 1248780.00000000 2.205778826823 Long DBT MUN US N 2 2049-04-01 Fixed 5.00000000 N N N N N N Buffalo Municipal Water Finance Authority, New York, Water System Revenue Bonds, Refunding Series 2015A N/A Buffalo Municipal Water Finance Authority, New York, Water System Revenue Bonds, Refunding Series 2015A 119699JP2 200000.00000000 PA USD 229594.00000000 0.405542676825 Long DBT MUN US N 2 2029-07-01 Fixed 5.00000000 N N N N N N New York City Transitional Finance Authority, New York, Building Aid Revenue Bonds, Fiscal Series 2015S-2 N/A New York City Transitional Finance Authority, New York, Building Aid Revenue Bonds, Fiscal Series 2015S-2 64972HXV9 1000000.00000000 PA USD 1147550.00000000 2.026971518378 Long DBT MUN US N 2 2040-07-15 Fixed 5.00000000 N N N N N N New York State Environmental Facilities Corporation, State Clean Water and Drinking Water Revolving Funds Revenue Bonds, New York City Municipal Water 549300QJ33JJW73OQO60 New York State Environmental Facilities Corporation, State Clean Water and Drinking Water Revolving Funds Revenue Bonds, New York City Municipal Water 64986DDY8 1000000.00000000 PA USD 1218940.00000000 2.153071031861 Long DBT MUN US N 2 2042-06-15 Fixed 5.00000000 N N N N N N Hudson Yards Infrastructure Corporation, New York, Revenue Bonds, Second Indenture Fiscal 2017 Series A 549300EE2HJ67TPURL87 Hudson Yards Infrastructure Corporation, New York, Revenue Bonds, Second Indenture Fiscal 2017 Series A 44420RBC3 800000.00000000 PA USD 951544.00000000 1.680756905131 Long DBT MUN US N 2 2038-02-15 Fixed 5.00000000 N N N N N N New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, American Airlines, Inc. John F Kennedy International Airpor N/A New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, American Airlines, Inc. John F Kennedy International Airpor 650116BP0 830000.00000000 PA USD 837719.00000000 1.479702456018 Long DBT MUN US N 2 2031-08-01 Fixed 5.00000000 N N N N N N New York Liberty Development Corporation, New York, Liberty Revenue Bonds, Bank of America Tower at One Bryant Park Project, Second Priority Refunding N/A New York Liberty Development Corporation, New York, Liberty Revenue Bonds, Bank of America Tower at One Bryant Park Project, Second Priority Refunding 649519DG7 190000.00000000 PA USD 197058.50000000 0.348073693481 Long DBT MUN US N 2 2069-09-15 Fixed 2.62500000 N N N N N N New York Transportation Development Corporation, New York, Special Facilities Bonds, LaGuardia Airport Terminal B Redevelopment Project, Series 2016A N/A New York Transportation Development Corporation, New York, Special Facilities Bonds, LaGuardia Airport Terminal B Redevelopment Project, Series 2016A 650116AR7 980000.00000000 PA USD 1076255.60000000 1.901040867670 Long DBT MUN US N 2 2046-07-01 Fixed 5.00000000 N N N N N N Erie County Tobacco Asset Securitization Corporation, New York, Tobacco Settlement Asset-Backed Bonds, Series 2005A N/A Erie County Tobacco Asset Securitization Corporation, New York, Tobacco Settlement Asset-Backed Bonds, Series 2005A 295095BA0 435000.00000000 PA USD 435569.85000000 0.769367504870 Long DBT MUN US N 2 2038-06-01 Fixed 5.00000000 N N N N N N Build New York City Resource Corporation, New York, Revenue Bonds, South Bronx Charter School for International Cultures and the Arts Project, Series 549300GROJFKMNLWEK84 Build New York City Resource Corporation, New York, Revenue Bonds, South Bronx Charter School for International Cultures and the Arts Project, Series 12008EBZ8 75000.00000000 PA USD 77818.50000000 0.137454475275 Long DBT MUN US N 2 2033-04-15 Fixed 5.00000000 N N N N N N Monroe County Industrial Development Corporation, New York, Revenue Bonds, Saint Ann?s Community Project, Series 2019 N/A Monroe County Industrial Development Corporation, New York, Revenue Bonds, Saint Ann?s Community Project, Series 2019 61075TUG1 25000.00000000 PA USD 28039.25000000 0.049527045572 Long DBT MUN US N 2 2040-01-01 Fixed 5.00000000 N N N N N N New York Transportation Development Corporation, Special Facility Revenue Bonds, Delta Air Lines, Inc. - LaGuardia Airport Terminals C&D Redevelopment N/A New York Transportation Development Corporation, Special Facility Revenue Bonds, Delta Air Lines, Inc. - LaGuardia Airport Terminals C&D Redevelopment 650116CK0 300000.00000000 PA USD 361362.00000000 0.638290690448 Long DBT MUN US N 2 2031-01-01 Fixed 5.00000000 N N N N N N Triborough Bridge and Tunnel Authority, New York, Payroll Mobility Tax Bonds, Senior Lien Subseries 2021A-1 54930020ZN4LQF7K3456 Triborough Bridge and Tunnel Authority, New York, Payroll Mobility Tax Bonds, Senior Lien Subseries 2021A-1 89602HAB3 750000.00000000 PA USD 965685.00000000 1.705734818287 Long DBT MUN US N 2 2051-05-15 Fixed 5.00000000 N N N N N N Buffalo and Erie County Industrial Land Development Corporation, New York, Revenue Bonds, Enterprise Charter School Project, Series 2011A N/A Buffalo and Erie County Industrial Land Development Corporation, New York, Revenue Bonds, Enterprise Charter School Project, Series 2011A 11943KAJ1 270000.00000000 PA USD 270315.90000000 0.477471683381 Long DBT MUN US N 2 2040-12-01 Fixed 7.50000000 N N N N N N Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Bonds, Restructured 2018A-1 N/A Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Bonds, Restructured 2018A-1 74529JPX7 235000.00000000 PA USD 272611.75000000 0.481526951178 Long DBT MUN US N 2 2058-07-01 Fixed 5.00000000 N N N N N N New York City Transitional Finance Authority, New York, Future Tax Secured Bonds, Subordinate Fiscal 2013 Series I N/A New York City Transitional Finance Authority, New York, Future Tax Secured Bonds, Subordinate Fiscal 2013 Series I 64971Q6A6 1000000.00000000 PA USD 1060000.00000000 1.872327837114 Long DBT MUN US N 2 2038-05-01 Fixed 5.00000000 N N N N N N 2021-12-31 Nuveen New York Select Tax-Free Income Portfolio E. Scott Wickerham E. Scott Wickerham Funds Treasurer XXXX NPORT-EX 2 NXN.htm
NXN
Nuveen New York Select Tax-Free Income Portfolio
Portfolio of Investments    December 31, 2021
(Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    LONG-TERM INVESTMENTS – 97.2%        
    MUNICIPAL BONDS – 97.2%        
    Consumer Staples  – 5.0%        
$435   Erie County Tobacco Asset Securitization Corporation, New York, Tobacco Settlement Asset-Backed Bonds, Series 2005A, 5.000%, 6/01/38   1/22 at 100.00 B- $435,570
    New York Counties Tobacco Trust VI, New York, Tobacco Settlement Pass-Through Bonds, Series 2016A-1:        
345   5.625%, 6/01/35   No Opt. Call BBB 375,391
1,530   5.750%, 6/01/43   No Opt. Call BB+ 2,028,964
2,310   Total Consumer Staples       2,839,925
    Education and Civic Organizations – 11.3%        
270   Buffalo and Erie County Industrial Land Development Corporation, New York, Revenue Bonds, Enterprise Charter School Project, Series 2011A, 7.500%, 12/01/40   1/22 at 100.00 CCC 270,316
    Build New York City Resource Corporation, New York, Revenue Bonds, South Bronx Charter School for International Cultures and the Arts Project, Series 2013A:        
75   5.000%, 4/15/33   4/23 at 100.00 BB+ 77,819
110   5.000%, 4/15/43   4/23 at 100.00 BB+ 113,539
100   Build NYC Resource Corporation, New York, Revenue Bonds, Family Life Academy Charter School, Series 2020C-1, 5.000%, 6/01/40, 144A   12/30 at 100.00 N/R 107,506
150   Dormitory Authority of the State of New York, General Revenue Bonds, Saint Johns University, Series 2013A, 5.000%, 7/01/44   7/23 at 100.00 A- 158,056
1,000   Dormitory Authority of the State of New York, Housing Revenue Bonds, Fashion Institute of Technology, Series 2007, 5.250%, 7/01/34  –  FGIC Insured   No Opt. Call Baa2 1,206,440
20   Dormitory Authority of the State of New York, Lease Revenue Bonds, State University Dormitory Facilities, Series 2015A, 5.000%, 7/01/31   7/25 at 100.00 Aa3 23,125
605   Dormitory Authority of the State of New York, Revenue Bonds, Icahn School of Medicine at Mount Sinai, Refunding Series 2015A, 5.000%, 7/01/40   7/25 at 100.00 A- 689,246
290   Dormitory Authority of the State of New York, Revenue Bonds, New York University, Series 2015A, 5.000%, 7/01/35   7/25 at 100.00 Aa2 333,019
1,185   Dormitory Authority of the State of New York, Revenue Bonds, New York University, Series 2016A, 5.000%, 7/01/39   7/26 at 100.00 Aa2 1,392,067
70   Dormitory Authority of the State of New York, Revenue Bonds, Rochester Institute of Technology, Series 2019A, 5.000%, 7/01/49   7/29 at 100.00 A1 86,653
250   Dormitory Authority of the State of New York, Revenue Bonds, Vaughn College of Aeronautics & Technology, Series 2016A, 5.500%, 12/01/36, 144A   12/26 at 100.00 BB- 279,410
215   Glen Cove Local Economic Assistance Corporation, New York, Revenue Bonds, Garvies Point Public Improvement Project, Capital Appreciation Series 2016C, 0.000%, 1/01/55 (4)   1/34 at 100.00 N/R 231,321
110   Hempstead Town Local Development Corporation, New York, Revenue Bonds, Adelphi University Project, Series 2013, 5.000%, 9/01/38   9/23 at 100.00 A- 117,143
1
NXN Nuveen New York Select Tax-Free Income Portfolio (continued)
  Portfolio of Investments December 31, 2021
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Education and Civic Organizations (continued)        
$295   New York City Industrial Development Agency, New York, PILOT Payment in Lieu of Taxes Revenue Bonds, Queens Baseball Stadium Project, Refunding Series 2021A, 3.000%, 1/01/39  –  AGM Insured   1/31 at 100.00 AA $316,529
180   New York City Industrial Development Agency, New York, PILOT Payment in Lieu of Taxes Revenue Bonds, Yankee Stadium Project, Series 2020A, 4.000%, 3/01/45   9/30 at 100.00 AA 204,611
350   New York City Trust for Cultural Resources, New York, Revenue Bonds, Whitney Museum of American Art, Refunding Series 2021, 5.000%, 7/01/31   No Opt. Call AA 471,156
190   New York Liberty Development Corporation, New York, Liberty Revenue Bonds, Bank of America Tower at One Bryant Park Project, Second Priority Refunding Series 2019 Class 2, 2.625%, 9/15/69   3/29 at 100.00 A2 197,058
145   New York Liberty Development Corporation, New York, Liberty Revenue Bonds, Bank of America Tower at One Bryant Park Project, Second Priority Refunding Series 2019 Class 3, 2.800%, 9/15/69   3/29 at 100.00 Baa2 150,194
5,610   Total Education and Civic Organizations       6,425,208
    Financials – 1.1%        
450   Liberty Development Corporation, New York, Goldman Sachs Headquarter Revenue Bonds, Series 2005, 5.250%, 10/01/35   No Opt. Call A2 636,066
    Health Care – 4.7%        
1,100   Dormitory Authority of the State of New York, Revenue Bonds, Montefiore Obligated Group, Series 2020A, 4.000%, 9/01/50   3/30 at 100.00 BBB- 1,250,843
1,000   Dormitory Authority of the State of New York, Revenue Bonds, NYU Langone Hospitals Obligated Group, Series 2020A, 4.000%, 7/01/53   7/30 at 100.00 A 1,161,450
200   Dutchess County Local Development Corporation, New York, Revenue Bonds, Health Quest Systems, Inc. Project, Series 2016B, 4.000%, 7/01/41   7/26 at 100.00 A- 222,592
2,300   Total Health Care       2,634,885
    Industrials – 3.6%        
1,865   New York Liberty Development Corporation, New York, Liberty Revenue Bonds, 3 World Trade Center Project, Class 1 Series 2014, 5.000%, 11/15/44, 144A   11/24 at 100.00 N/R 2,044,506
    Long-Term Care – 0.2%        
100   Dormitory Authority of the State of New York, Non-State Supported Debt, Ozanam Hall of Queens Nursing Home Revenue Bonds, Series 2006, 5.000%, 11/01/31   1/22 at 100.00 A2 100,802
25   Monroe County Industrial Development Corporation, New York, Revenue Bonds, Saint Ann's Community Project, Series 2019, 5.000%, 1/01/40   1/26 at 103.00 N/R 28,039
125   Total Long-Term Care       128,841
    Materials – 0.3%        
160   Build New York City Resource Corporation, New York, Solid Waste Disposal Revenue Bonds, Pratt Paper NY, Inc. Project, Series 2014, 5.000%, 1/01/35 (AMT), 144A   1/25 at 100.00 N/R 177,264
    Tax Obligation/General – 8.3%        
1,000   Nassau County, New York, General Obligation Bonds, General Improvement Bonds Series 2019B, 5.000%, 4/01/49  –  AGM Insured   4/30 at 100.00 AA 1,248,780
1,000   Nassau County, New York, General Obligation Bonds, General Improvement Series 2021A, 4.000%, 4/01/51  –  AGM Insured   4/31 at 100.00 AA 1,177,240
2
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/General (continued)        
$1,080   New York City, New York, General Obligation Bonds, Fiscal 2017 Series B-1, 5.000%, 12/01/41   12/26 at 100.00 AA $1,287,166
835   New York City, New York, General Obligation Bonds, Fiscal 2020 SeriesD-1, 4.000%, 3/01/44   3/30 at 100.00 AA 973,067
3,915   Total Tax Obligation/General       4,686,253
    Tax Obligation/Limited – 20.9%        
1,050   Dormitory Authority of the State of New York, State Personal Income Tax Revenue Bonds, General Purpose Series 2012D, 5.000%, 2/15/37   2/22 at 100.00 AA+ 1,055,785
1,000   Dormitory Authority of the State of New York, State Personal Income Tax Revenue Bonds, General Purpose, Series 2019A. Bidding Group 1,2,3,4, 5.000%, 3/15/46   3/29 at 100.00 AA+ 1,241,850
1,000   Dormitory Authority of the State of New York, State Sales Tax Revenue Bonds, Series 2015B. Group A,B&C, 5.000%, 3/15/35   9/25 at 100.00 AA+ 1,155,680
1,000   Government of Guam, Business Privilege Tax Bonds, Refunding Series 2015D, 5.000%, 11/15/25   No Opt. Call BB 1,158,130
800   Hudson Yards Infrastructure Corporation, New York, Revenue Bonds, Second Indenture Fiscal 2017 Series A, 5.000%, 2/15/38   2/27 at 100.00 Aa3 951,544
250   Hudson Yards Infrastructure Corporation, New York, Revenue Bonds, Second indenture Fiscal 2022 Series A, 4.000%, 2/15/44   2/32 at 100.00 Aa2 300,632
1,000   New York City Transitional Finance Authority, New York, Building Aid Revenue Bonds, Fiscal Series 2015S-2, 5.000%, 7/15/40   7/25 at 100.00 AA 1,147,550
1,000   New York City Transitional Finance Authority, New York, Future Tax Secured Bonds, Subordinate Fiscal 2013 Series I, 5.000%, 5/01/38   5/23 at 100.00 AAA 1,060,000
450   New York City Transitional Finance Authority, New York, Future Tax Secured Bonds, Subordinate Fiscal 2014 Series D-1, 5.000%, 2/01/35   2/24 at 100.00 AAA 491,733
1,120   New York State Urban Development Corporation, State Sales Tax Revenue Bonds, Series 2021A, 3.000%, 3/15/50   9/31 at 100.00 AA+ 1,189,026
235   Puerto Rico Sales Tax Financing Corporation, Sales Tax Revenue Bonds, Restructured 2018A-1, 5.000%, 7/01/58   7/28 at 100.00 N/R 272,612
750   Triborough Bridge and Tunnel Authority, New York, Payroll Mobility Tax Bonds, Senior Lien Subseries 2021A-1, 5.000%, 5/15/51   5/31 at 100.00 AA+ 965,685
845   Virgin Islands Public Finance Authority, Matching Fund Loan Notes Revenue Bonds, Series 2012A, 5.000%, 10/01/32  –  AGM Insured   10/22 at 100.00 AA 867,773
10,500   Total Tax Obligation/Limited       11,858,000
    Transportation – 21.3%        
900   Metropolitan Transportation Authority, New York, Transportation Revenue Bonds, Series 2014D-1, 5.000%, 11/15/39   11/24 at 100.00 A3 994,374
190   New York Transportation Development Corporation, New York, Facility Revenue Bonds, Thruway Service Areas Project, Series 2021, 4.000%, 10/31/46 (AMT)   10/31 at 100.00 BBB- 219,359
980   New York Transportation Development Corporation, New York, Special Facilities Bonds, LaGuardia Airport Terminal B Redevelopment Project, Series 2016A, 5.000%, 7/01/46 (AMT)   7/24 at 100.00 BBB 1,076,255
3
NXN Nuveen New York Select Tax-Free Income Portfolio (continued)
  Portfolio of Investments December 31, 2021
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Transportation (continued)        
    New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, American Airlines, Inc. John F Kennedy International Airport Project, Refunding Series 2016:        
$200   5.000%, 8/01/26 (AMT)   1/22 at 100.00 B $201,860
830   5.000%, 8/01/31 (AMT)   1/22 at 100.00 B 837,719
30   New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, American Airlines, Inc. John F Kennedy International Airport Project, Series 2020, 5.375%, 8/01/36 (AMT)   8/30 at 100.00 B 37,861
85   New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, Terminal 4 John F Kennedy International Airport Project, Series 2020A, 5.000%, 12/01/37 (AMT)   12/30 at 100.00 Baa1 107,012
100   New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, Terminal 4 John F Kennedy International Airport Project, Series 2020C, 5.000%, 12/01/37   12/30 at 100.00 Baa1 126,931
    New York Transportation Development Corporation, Special Facility Revenue Bonds, Delta Air Lines, Inc. - LaGuardia Airport Terminals C&D Redevelopment Project, Series 2018:        
700   5.000%, 1/01/28 (AMT)   No Opt. Call Baa3 856,688
300   5.000%, 1/01/31 (AMT)   1/28 at 100.00 Baa3 361,362
1,000   Port Authority of New York and New Jersey, Consolidated Revenue Bonds, One Hundred Ninety-Fourth Series 2015, 5.250%, 10/15/55   10/25 at 100.00 Aa3 1,163,200
1,500   Port Authority of New York and New Jersey, Consolidated Revenue Bonds, Two Hundred Eleventh Series 2018, 5.000%, 9/01/48   9/28 at 100.00 Aa3 1,837,545
1,475   Port Authority of New York and New Jersey, Consolidated Revenue Bonds, Two Hundred Twenty-Third Series 2021, 4.000%, 7/15/51 (AMT)   7/31 at 100.00 Aa3 1,709,068
1,000   Triborough Bridge and Tunnel Authority, New York, General Purpose Revenue Bonds, MTA Bridges & Tunnels, Refunding Series 2017B, 5.000%, 11/15/36   5/27 at 100.00 AA- 1,213,970
1,095   Triborough Bridge and Tunnel Authority, New York, General Purpose Revenue Bonds, MTA Bridges & Tunnels, Series 2017A, 5.000%, 11/15/47   5/27 at 100.00 AA- 1,317,832
10,385   Total Transportation       12,061,036
    U.S. Guaranteed – 2.0% (5)        
25   Dormitory Authority of the State of New York, Lease Revenue Bonds, State University Dormitory Facilities, Series 2015A, 5.000%, 7/01/33 (Pre-refunded 7/01/25)   7/25 at 100.00 Aa3 28,906
1,005   New York City Trust for Cultural Resources, New York, Revenue Bonds, Wildlife Conservation Society, Series 2014A, 5.000%, 8/01/32 (Pre-refunded 8/01/23)   8/23 at 100.00 A+ 1,080,264
1,030   Total U.S. Guaranteed       1,109,170
    Utilities – 18.5%        
200   Buffalo Municipal Water Finance Authority, New York, Water System Revenue Bonds, Refunding Series 2015A, 5.000%, 7/01/29   7/25 at 100.00 A+ 229,594
35   Guam Power Authority, Revenue Bonds, Series 2012A, 5.000%, 10/01/34   10/22 at 100.00 BBB 36,012
50   Long Island Power Authority, New York, Electric System General Revenue Bonds, Series 2014A, 5.000%, 9/01/44   9/24 at 100.00 A 55,288
180   Long Island Power Authority, New York, Electric System General Revenue Bonds, Series 2017, 5.000%, 9/01/47   9/27 at 100.00 A 218,713
4
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Utilities (continued)        
$3,000   New York City Municipal Water Finance Authority, New York, Water and Sewer System Second General Resolution Revenue Bonds, Fiscal 2018 Series EE, 5.000%, 6/15/40   12/27 at 100.00 AA+ $3,681,510
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%, 6/15/42   6/27 at 100.00 AAA 1,218,940
1,000   New York State Environmental Facilities Corporation, State Revolving Funds Revenue Bonds, 2010 Master Financing Program, Green Series 2020B, 3.000%, 10/15/50   10/30 at 100.00 AAA 1,089,610
150   Niagara Area Development Corporation, New York, Solid Waste Disposal Facility Revenue Refunding Bonds, Covanta Energy Project, Series 2018A, 4.750%, 11/01/42 (AMT), 144A   7/23 at 100.00 B1 155,761
    Puerto Rico Aqueduct and Sewerage Authority, Revenue Bonds, Senior Lien Series 2012A:        
25   5.500%, 7/01/28   7/22 at 100.00 CCC 25,621
100   5.750%, 7/01/37   7/22 at 100.00 CCC 102,607
80   6.000%, 7/01/47   7/22 at 100.00 CCC 82,172
1,365   Utility Debt Securitization Authority, New York, Restructuring Bonds, Series 2013TE, 5.000%, 12/15/41   12/23 at 100.00 AAA 1,479,728
1,750   Utility Debt Securitization Authority, New York, Restructuring Bonds, Series 2016B, 5.000%, 12/15/35   6/26 at 100.00 AAA 2,074,170
8,935   Total Utilities       10,449,726
$47,585   Total Long-Term Investments (cost $50,843,202)       55,050,880
    Other Assets Less Liabilities – 2.8%       1,563,137
    Net Assets Applicable to Common Shares – 100%       $56,614,017
Part F of Form N-PORT was prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) and in conformity with the applicable rules and regulations of the U.S. Securities and Exchange Commission (“SEC”) related to interim filings. Part F of Form N-PORT does not include all information and footnotes required by U.S. GAAP for complete financial statements. Certain footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted from this report pursuant to the rules of the SEC. For a full set of the Fund’s notes to financial statements, please refer to the Fund’s most recently filed annual or semi-annual report.
Fair Value Measurements
The Fund's investments in securities are recorded at their estimated fair value utilizing valuation methods approved by the Board of Directors/Trustees. Fair value is defined as the price that would be received upon selling an investment or transferring a liability in an orderly transaction to an independent buyer in the principal or most advantageous market for the investment. U.S. GAAP establishes the three-tier hierarchy which is used to maximize the use of observable market data and minimize the use of unobservable inputs and to establish classification of fair value measurements for disclosure purposes. Observable inputs reflect the assumptions market participants would use in pricing the asset or liability. Observable inputs are based on market data obtained from sources independent of the reporting entity. Unobservable inputs reflect management’s assumptions about the assumptions market participants would use in pricing the asset or liability. Unobservable inputs are based on the best information available in the circumstances. The following is a summary of the three-tiered hierarchy of valuation input levels.
Level 1  –     Inputs are unadjusted and prices are determined using quoted prices in active markets for identical securities.
Level 2  –     Prices are determined using other significant observable inputs (including quoted prices for similar securities, interest rates, credit spreads, etc.).
Level 3  –     Prices are determined using significant unobservable inputs (including management’s assumptions in determining the fair value of investments).
5
NXN Nuveen New York Select Tax-Free Income Portfolio (continued)
  Portfolio of Investments December 31, 2021
  (Unaudited)
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 $ — $55,050,880 $ — $55,050,880
    
(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) 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.  
(5) 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.  
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.  
AMT Alternative Minimum Tax  
6