0001752724-20-175491.txt : 20200827 0001752724-20-175491.hdr.sgml : 20200827 20200827110431 ACCESSION NUMBER: 0001752724-20-175491 CONFORMED SUBMISSION TYPE: NPORT-P PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20200630 FILED AS OF DATE: 20200827 PERIOD START: 20210331 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NUVEEN NEW YORK SELECT TAX -FREE INCOME PORTFOLIO CENTRAL INDEX KEY: 0000885731 IRS NUMBER: 363828115 STATE OF INCORPORATION: MA FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: NPORT-P SEC ACT: 1940 Act SEC FILE NUMBER: 811-06624 FILM NUMBER: 201140328 BUSINESS ADDRESS: STREET 1: 333 W WACKER DR CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3129178200 MAIL ADDRESS: STREET 1: 333 W WACKER DRIVE CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: NUVEEN INSURED NEW YORK SELECT TAX FREE INCOME PORTFOLIO DATE OF NAME CHANGE: 19920929 NPORT-P 1 primary_doc.xml NPORT-P false 0000885731 XXXXXXXX Nuveen New York Select Tax-Free Income Portfolio 811-06624 0000885731 549300O6PCT8Y389MD53 333 W. 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Future Tax Secured Revenue Bonds, Tender Option Bond Trust 2015-XF0080 88033LJL4 535000.00000000 PA USD 540933.15000000 0.971412222903 Long DBT MUN US Y 2 2038-05-01 Floating 13.23652400 N N N N N N New York City Municipal Water Finance Authority, New York, Water and Sewer System Second General Resolution Revenue Bonds, Fiscal 2018 Series EE N/A New York City Municipal Water Finance Authority, New York, Water and Sewer System Second General Resolution Revenue Bonds, Fiscal 2018 Series EE 64972GRD8 3000000.00000000 PA USD 3732930.00000000 6.703626555780 Long DBT MUN US N 2 2040-06-15 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 435178.35000000 0.781496878741 Long DBT MUN US N 2 2038-06-01 Fixed 5.00000000 N N N N N N Dormitory Authority of the State of New York, Revenue Bonds, Rochester Institute of Technology, Series 2019A 549300C8XO7EXTX2XU71 Dormitory Authority of the State of New York, Revenue Bonds, Rochester Institute of Technology, Series 2019A 64990GTN2 70000.00000000 PA USD 86013.90000000 0.154464472734 Long DBT MUN US N 2 2049-07-01 Fixed 5.00000000 N N N N N N Puerto Rico Aqueduct and Sewerage Authority, Revenue Bonds, Senior Lien Series 2012A N/A Puerto Rico Aqueduct and Sewerage Authority, Revenue Bonds, Senior Lien Series 2012A 745160RF0 25000.00000000 PA USD 26500.00000000 0.047588919087 Long DBT MUN US N 2 2028-07-01 Fixed 5.50000000 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 239084.00000000 0.429349023812 Long DBT MUN US N 2 2029-07-01 Fixed 5.00000000 N N N N N N Dormitory Authority of the State of New York, Revenue Bonds, New York University, Series 2015A 549300C8XO7EXTX2XU71 Dormitory Authority of the State of New York, Revenue Bonds, New York University, Series 2015A 64990BFL2 290000.00000000 PA USD 346358.60000000 0.621993637379 Long DBT MUN US N 2 2035-07-01 Fixed 5.00000000 N N N N N N New York Liberty Development Corporation, New York, Liberty Revenue Bonds, 4 World Trade Center Project, Series 2011 N/A New York Liberty Development Corporation, New York, Liberty Revenue Bonds, 4 World Trade Center Project, Series 2011 649519BR5 250000.00000000 PA USD 259402.50000000 0.465837154095 Long DBT MUN US N 2 2044-11-15 Fixed 5.00000000 N N N N N N New York City, New York, General Obligation Bonds, Fiscal 2020 SeriesD-1 549300ABYZD2SFD5JB29 New York City, New York, General Obligation Bonds, Fiscal 2020 SeriesD-1 64966QKA7 835000.00000000 PA USD 957945.40000000 1.720286269077 Long DBT MUN US N 2 2044-03-01 Fixed 4.00000000 N N N N N N New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, Delta Air Lines, Inc - LaGuardia Airport Terminals C&D Rede N/A New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, Delta Air Lines, Inc - LaGuardia Airport Terminals C&D Rede 650116CK0 300000.00000000 PA USD 321924.00000000 0.578113780687 Long DBT MUN US N 2 2031-01-01 Fixed 5.00000000 N N N N N N New York Counties Tobacco Trust VI, New York, Tobacco Settlement Pass-Through Bonds, Series Series 2016A-1 N/A New York Counties Tobacco Trust VI, New York, Tobacco Settlement Pass-Through Bonds, Series Series 2016A-1 64945JBC5 1530000.00000000 PA USD 1735218.90000000 3.116120446440 Long DBT MUN US N 2 2043-06-01 Fixed 5.75000000 N N N N N N 2020-06-30 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    June 30, 2020
(Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    LONG-TERM INVESTMENTS – 94.4%        
    MUNICIPAL BONDS – 94.4%        
    Consumer Staples  – 4.6%        
$435   Erie County Tobacco Asset Securitization Corporation, New York, Tobacco Settlement Asset-Backed Bonds, Series 2005A, 5.000%, 6/01/38   7/20 at 100.00 B- $435,178
    New York Counties Tobacco Trust VI, New York, Tobacco Settlement Pass-Through Bonds, Series Series 2016A-1:        
390   5.625%, 6/01/35   No Opt. Call BBB 416,185
1,530   5.750%, 6/01/43   No Opt. Call BB+ 1,735,219
2,355   Total Consumer Staples       2,586,582
    Education and Civic Organizations – 15.8%        
165   Albany Industrial Development Agency, New York, Revenue Bonds, Brighter Choice Charter Schools, Series 2007A, 5.000%, 4/01/37   8/20 at 100.00 BB 165,016
280   Buffalo and Erie County Industrial Land Development Corporation, New York, Revenue Bonds, Enterprise Charter School Project, Series 2011A, 7.500%, 12/01/40   12/20 at 100.00 B+ 282,674
    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+ 76,459
110   5.000%, 4/15/43   4/23 at 100.00 BB+ 110,987
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- 159,360
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 1,170,010
    Dormitory Authority of the State of New York, Lease Revenue Bonds, State University Dormitory Facilities, Series 2015A:        
20   5.000%, 7/01/31   7/25 at 100.00 Aa3 23,341
25   5.000%, 7/01/33   7/25 at 100.00 Aa3 28,941
1,000   Dormitory Authority of the State of New York, Revenue Bonds, Columbia University, Series 2011A, 5.000%, 10/01/41   4/21 at 100.00 AAA 1,032,440
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- 671,090
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 346,359
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 1,404,178
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 86,014
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- 249,982
1
NXN Nuveen New York Select Tax-Free Income Portfolio (continued)
  Portfolio of Investments June 30, 2020
  (Unaudited)
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Education and Civic Organizations (continued)        
$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 $192,459
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- 118,145
    New York City Industrial Development Agency, New York, PILOT Revenue Bonds, Queens Baseball Stadium Project, Series 2006:        
500   5.000%, 1/01/31  –  AMBAC Insured   7/20 at 100.00 Baa3 500,050
430   4.750%, 1/01/42  –  AMBAC Insured   7/20 at 100.00 Baa3 430,004
300   New York City Industrial Development Authority, New York, PILOT Revenue Bonds, Yankee Stadium Project, Series 2006, 4.750%, 3/01/46  –  NPFG Insured   7/20 at 100.00 Baa1 300,063
1,005   New York City Trust for Cultural Resources, New York, Revenue Bonds, Wildlife Conservation Society, Series 2014A, 5.000%, 8/01/32   8/23 at 100.00 AA- 1,114,967
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 188,809
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 142,312
8,120   Total Education and Civic Organizations       8,793,660
    Financials – 1.1%        
450   Liberty Development Corporation, New York, Goldman Sachs Headquarter Revenue Bonds, Series 2005, 5.250%, 10/01/35   No Opt. Call A 608,364
    Health Care – 0.6%        
100   Dormitory Authority of the State of New York, Highland Hospital of Rochester Revenue Bonds, Series 2010, 5.200%, 7/01/32   7/20 at 100.00 A 100,280
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- 210,426
300   Total Health Care       310,706
    Industrials – 3.8%        
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 167,687
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 1,935,963
2,025   Total Industrials       2,103,650
    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   7/20 at 100.00 A2 100,255
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 22,846
125   Total Long-Term Care       123,101
2
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Tax Obligation/General – 5.2%        
$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 Aa1 $1,285,373
835   New York City, New York, General Obligation Bonds, Fiscal 2020 SeriesD-1, 4.000%, 3/01/44   3/30 at 100.00 Aa1 957,945
600   Yonkers, New York, General Obligation Bonds, Refunding Series 2011A, 5.000%, 10/01/24  –  AGM Insured   10/21 at 100.00 AA 635,700
2,515   Total Tax Obligation/General       2,879,018
    Tax Obligation/Limited – 20.4%        
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+ 1,111,551
1,000   Dormitory Authority of the State of New York, State Personal Income Tax Revenue Bonds, General Purpose, Series 2019A Bidding Group 2,3,4, 5.000%, 3/15/46   3/29 at 100.00 Aa1 1,238,650
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+ 1,177,300
1,000   Government of Guam, Business Privilege Tax Bonds, Refunding Series 2015D, 5.000%, 11/15/25   No Opt. Call BB 1,106,300
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 Aa2 943,368
760   Hudson Yards Infrastructure Corporation, New York, Revenue Bonds, Senior Fiscal 2012 Series 2011A, 5.750%, 2/15/47   2/21 at 100.00 Aa2 783,530
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 1,159,250
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 1,104,930
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 510,557
500   New York City Transitional Finance Authority, New York, Future Tax Secured Revenue Bonds, Subordinate Series 2011-D1, 5.250%, 2/01/30   2/21 at 100.00 AAA 513,390
535   New York City Transitional Finance Authority, New York, Future Tax Secured Revenue Bonds, Tender Option Bond Trust 2015-XF0080, 13.237%, 5/01/38, 144A (IF)   10/20 at 100.00 AAA 540,933
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 246,292
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 914,298
10,175   Total Tax Obligation/Limited       11,350,349
    Transportation – 18.7%        
900   Metropolitan Transportation Authority, New York, Transportation Revenue Bonds, Series 2014D-1, 5.000%, 11/15/39   11/24 at 100.00 A+ 971,253
250   New York Liberty Development Corporation, New York, Liberty Revenue Bonds, 4 World Trade Center Project, Series 2011, 5.000%, 11/15/44   11/21 at 100.00 A 259,402
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 1,055,519
3
NXN Nuveen New York Select Tax-Free Income Portfolio (continued)
  Portfolio of Investments June 30, 2020
  (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)   8/21 at 100.00 BB- $200,658
830   5.000%, 8/01/31 (AMT)   8/21 at 100.00 BB- 831,436
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 BB- 31,049
    New York Transportation Development Corporation, New York, 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 751,156
300   5.000%, 1/01/31 (AMT)   1/28 at 100.00 Baa3 321,924
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 1,163,890
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 1,822,170
215   Port Authority of New York and New Jersey, Special Project Bonds, JFK International Air Terminal LLC Project, Eighth Series 2010, 6.000%, 12/01/36   12/20 at 100.00 Baa1 216,718
290   Port Authority of New York and New Jersey, Special Project Bonds, JFK International Air Terminal LLC Project, Eigth Series 2010, 6.500%, 12/01/28   7/20 at 100.00 Baa1 292,323
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- 1,206,960
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- 1,293,545
9,290   Total Transportation       10,418,003
    U.S. Guaranteed – 6.8% (5)        
1,240   Hudson Yards Infrastructure Corporation, New York, Revenue Bonds, Senior Fiscal 2012 Series 2011A, 5.750%, 2/15/47 (Pre-refunded 2/15/21)   2/21 at 100.00 Aa2 1,282,420
400   Long Island Power Authority, New York, Electric System Revenue Bonds, Series 2011A, 5.000%, 5/01/38 (Pre-refunded 5/01/21)   5/21 at 100.00 A 415,580
2,000   Monroe County Industrial Development Corporation, New York, Revenue Bonds, University of Rochester Project, Series 2011B, 5.000%, 7/01/41 (Pre-refunded 7/01/21)   7/21 at 100.00 AA- 2,094,140
3,640   Total U.S. Guaranteed       3,792,140
    Utilities – 7.4%        
35   Guam Power Authority, Revenue Bonds, Series 2012A, 5.000%, 10/01/34   10/22 at 100.00 BBB 36,510
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 57,314
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 215,168
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 151,585
4
Principal Amount (000)   Description (1)   Optional Call Provisions (2) Ratings (3) Value
    Utilities (continued)        
$1,365   Utility Debt Securitization Authority, New York, Restructuring Bonds, Series 2013TE, 5.000%, 12/15/41   12/23 at 100.00 AAA $1,545,767
1,750   Utility Debt Securitization Authority, New York, Restructuring Bonds, Series 2016B, 5.000%, 12/15/35   6/26 at 100.00 AAA 2,123,800
3,530   Total Utilities       4,130,144
    Water and Sewer – 9.8%        
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+ 239,084
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+ 3,732,930
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 1,228,760
55   Puerto Rico Aqueduct and Sewerage Authority, Revenue Bonds, Senior Lien Series 2008A, 6.000%, 7/01/44   7/20 at 100.00 CC 55,963
    Puerto Rico Aqueduct and Sewerage Authority, Revenue Bonds, Senior Lien Series 2012A:        
25   5.500%, 7/01/28   7/22 at 100.00 CC 26,500
100   5.750%, 7/01/37   7/22 at 100.00 CC 103,750
80   6.000%, 7/01/47   7/22 at 100.00 CC 83,200
4,460   Total Water and Sewer       5,470,187
$46,985   Total Long-Term Investments (cost $49,289,212)       52,565,904
    Other Assets Less Liabilities – 5.6%       3,119,328
    Net Assets Applicable to Common Shares – 100%       $55,685,232
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.).
5
NXN Nuveen New York Select Tax-Free Income Portfolio (continued)
  Portfolio of Investments June 30, 2020
  (Unaudited)
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 $ — $52,565,904 $ — $52,565,904
    
(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  
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.  
6