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Nuveen Municipal High Income Opportunity Fund
Sponsor: Nuveen · Inception Nov 20, 2003 · Pays monthly
Market priceShare price
$9.13
+0.22% (+$0.02)
NAVAsset value per share
$9.27
as of Oct 15, 2026 · Nasdaq NAV symbol
Premium / discountPrice vs. assets
1.51% discount *
Indicative: latest price vs latest reported NAV
Distribution rate (price)Payout rate
8.61%
regular, annualised · on NAV 8.48%
Expense ratioAnnual cost
Not reported
no tagged fee table
LeverageBorrowing
Not reported
senior securities not tagged
Quote status: Market closed — last regular-session price · last trade Oct 16, 2026, 4:00 PM EDT (exchange time, ET) · retrieved Oct 16, 2026, 10:41 PM EDTRegular-session prices; extended-hours quotes are not displayed.
Full portfolio as filed on SEC Form N-PORT for the month ending Jul 31, 2026, filed Sep 25, 2026. 1,464 positions; weights are percent of net assets as reported. Weights sum to 100.0% — leverage, cash, derivatives and short positions mean totals need not equal 100%. This is a historical report, not a live portfolio.

Asset class

Asset class% net assetsValue
Debt99.53%$3.6B
Equity (common)0.47%$16.6M
Derivative (equity)0.00%$4.9K
Loans0.00%$51

Country (top 12)

Country (top 12)% net assetsValue
United States100.00%$3.6B

Region

Region% net assetsValue
United States100.00%$3.6B

Issuer type

Issuer type% net assetsValue
Municipal99.53%$3.6B
Registered fund0.47%$16.6M
Corporate0.00%$5K

Fair-value level

Fair-value level% net assetsValue
Level 299.53%$3.6B
Level 10.47%$16.6M
Level 30.00%$5.7K
Level 3 = valued with unobservable inputs (typically private or illiquid).

Long / short

Long / short% net assetsValue
Long100.00%$3.6B

All allocation percentages use net assets as the denominator (N-PORT convention). A position's share of invested assets may differ from its share of the whole fund including cash and leverage.

All 1,464 positions

Page 6 of 6 · ← prev
SecurityIdentifierTypeIssuerCountryBalanceUnitsValue (USD)WeightFV level
Public Finance Authority of Wisconsin, Affordable Housing Certificates, R4 TEHP Series 2026-1 Class A-274449CAE7DebtMUNUnited States500,000principal$461K0.01%2
Allentown Neighborhood Improvement Zone Development Authority, Pennsylvania, Tax Revenue Bonds, Waterfront-30 E Allen Street Project, Senior Series 20restricted018444CE7DebtMUNUnited States450,000principal$461K0.01%2
New Jersey Transportation Trust Fund Authority, Transportation System Bonds, Series 2018A6461364H1DebtMUNUnited States440,000principal$453K0.01%2
Kansas City Industrial Development Authority, Missouri, Airport Special Obligation Bonds, Kansas City International Airport Terminal Modernization Pro48504NAN9DebtMUNUnited States450,000principal$453K0.01%2
Indiana Finance Authority, Educational Facilities Revenue Bonds, Seven Oaks Classical School Project, Series 2021A45470EAT2DebtMUNUnited States550,000principal$453K0.01%2
New Jersey Higher Education Student Assistance Authority, Student Loan Revenue Bonds, Senior Series 2020B646080VF5DebtMUNUnited States465,000principal$450K0.01%2
Public Finance Authority of Wisconsin, Senior Revenue Bonds, Maryland Proton Treatment Center, Series 2018A-1restricted74442PJT3DebtMUNUnited States1,000,000principal$450K0.01%2
Aquarion Water Authority, Connecticut, Water System Revenue Capital Appreciation Bonds, Subordinate Series 2026E03843TCF6DebtMUNUnited States1,500,000principal$450K0.01%2
Aquarion Water Authority, Connecticut, Water System Revenue Capital Appreciation Bonds, Subordinate Series 2026E03843TCK5DebtMUNUnited States1,875,000principal$441K0.01%2
Mida Cormont Public Infrastructure District, Utah, Limited Tax General Obligation Bonds, Series 2025A-2restricted59561JAB1DebtMUNUnited States500,000principal$438K0.01%2
Parkdale Community Authority, Erie County, Colorado, Limited Tax Supported Convertible Capital Appreciation Revenue Bonds, District 2, Series 2024Arestricted70089CAA8DebtMUNUnited States500,000principal$435K0.01%2
Westchester County Local Development Corporation, New York, Revenue Bonds, Westchester Medical Center Obligated Group Project, Series 202395737TFQ4DebtMUNUnited States420,000principal$435K0.01%2
Celina, Texas, Special Assessment Revenue Bonds, Celina Sutton Fields II Public Improvement District Neighborhood Improvement Areas 2-3 Project, Serierestricted15114CCF9DebtMUNUnited States500,000principal$432K0.01%2
Saint Louis County Industrial Development Authority, Missouri, Revenue Bonds, Friendship Village of Sunset Hills, Series 2013A791524BU4DebtMUNUnited States430,000principal$430K0.01%2
Grand Junction Dos Rios General Improvement District, Grand Junction, Mesa County, Colorado, Special Revenue Bonds, Series 202138578AAB5DebtMUNUnited States500,000principal$430K0.01%2
New Jersey Economic Development Authority, Revenue Bonds, Provident Group - Kean Properties LLC - Kean University Student Housing Project, Series 201764577BG40DebtMUNUnited States450,000principal$428K0.01%2
University Area Joint Authority, Centre County, Pennsylvania, Sewer Revenue Bonds, Series 2025914054NX5DebtMUNUnited States450,000principal$426K0.01%2
Rose Tree Media School District, Delaware County, Pennsylvania, General Obligation Bonds, Series 2025777152PW3DebtMUNUnited States385,000principal$425K0.01%2
Aquarion Water Authority, Connecticut, Water System Revenue Capital Appreciation Bonds, Subordinate Series 2026E03843TCD1DebtMUNUnited States1,230,000principal$420K0.01%2
Summit View Community Development District, Dade City, Florida, Special Assessment Area Two Revenue Bonds, Series 2024restricted86633AAH4DebtMUNUnited States410,000principal$413K0.01%2
Portico Community Development District, Lee County, Florida, Special Assessment, Improvement Series 2020-273641TAG3DebtMUNUnited States495,000principal$413K0.01%2
Two Lakes Community Development District, Hialeah, Florida, Special Assessment Bonds, Expansion Area Project, Series 201990207EAJ0DebtMUNUnited States500,000principal$412K0.01%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QAC4DebtMUNUnited States618,242principal$412K0.01%2
Missouri Health and Educational Facilities Authority, Educational Facilities Revenue Bonds, Kansas City University of Medicine and Biosciences, Series60636AHJ5DebtMUNUnited States410,000principal$410K0.01%2
Muhlenberg School District, Berks County, Pennsylvania, General Obligation Bonds, Series 2025624805SP3DebtMUNUnited States400,000principal$409K0.01%2
CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Westgate Phase 1-Pasadena Apartments, Mezzanine Lien Series 2021Brestricted126292CC3DebtMUNUnited States2,000,000principal$408K0.01%2
Glen Metropolitan District 3, El Paso County, Colorado, General Obligation Limited Tax Bonds, Series 2021restricted37767RAA3DebtMUNUnited States500,000principal$405K0.01%2
Missouri Health and Educational Facilities Authority, Revenue Bonds, Lutheran Senior Services Projects, Series 2016A60635HU72DebtMUNUnited States400,000principal$400K0.01%2
Westside Haines City Community Development District, Polk County, Florida, Special Assessment Bonds, Area 2 Project, Series 2024restricted96150AAG8DebtMUNUnited States395,000principal$400K0.01%2
Future Legends Sports Park Business Improvement District, Limited Tax General Obligation Bonds, Series 2022A and Subordinate Limited Tax General Oblig36118PAB3DebtMUNUnited States1,000,000principal$399K0.01%2
Royse City, Rockwall, Collin and Hunt Counties, Texas, Special Assessment Revenue Bonds, Liberty Crossing Public Improvement District Improvement Arearestricted780870BU4DebtMUNUnited States400,000principal$396K0.01%2
Public Finance Authority of Wisconsin, Charter School Revenue Bonds, Point College Preparatory, Series 2020Arestricted744396FX5DebtMUNUnited States500,000principal$394K0.01%2
Grand Junction Dos Rios General Improvement District, Grand Junction, Mesa County, Colorado, Special Revenue Bonds, Series 202138578AAC3DebtMUNUnited States500,000principal$391K0.01%2
Greenwood, Minnesota, Charter School Lease Revenue Bonds, Main Street School of Performing Arts Project, Series 2016A397240AC6DebtMUNUnited States505,000principal$390K0.01%2
Capital Trust Agency, Florida, Revenue Bonds, Babcock Neighborhood School Inc, Series 2021restricted14054CEE5DebtMUNUnited States500,000principal$389K0.01%2
Hutto, Williams County Texas, Special Assessment Revenue Bonds, Emory Crossing, Public Improvement Area 1 Project Series 2021restricted448529AD9DebtMUNUnited States500,000principal$387K0.01%2
Lanterns Metropolitan District 2, Castle Rock, Douglas County, Colorado, Limited Tax General Obligation Bonds, Series 2021A-351654DAA1DebtMUNUnited States500,000principal$386K0.01%2
North Outer Forty Transportation Development District, Chesterfield, Missouri, Transportation Development Revenue Notes, Refunding Series 2021Arestricted66137RAA5DebtMUNUnited States465,197principal$383K0.01%2
Philadelphia Authority for Industrial Development, Pennsylvania, Revenue Bonds, Richard Allen Preparatory Charter School, Series 2006717818Q92DebtMUNUnited States380,000principal$380K0.01%2
Pima County Industrial Development Authority, Arizona, Education Facility Revenue Bonds, Edkey Charter Schools Project, Series 201672177PBQ2DebtMUNUnited States475,000principal$380K0.01%2
Arizona Industrial Development Authority, Arizona, Education Revenue Bonds, Arizona Christian University Project, Series 2019Arestricted04052BKC7DebtMUNUnited States400,000principal$375K0.01%2
Missouri Health and Educational Facilities Authority, Health Facilities Revenue Bonds, Truman Medical Center, Inc., Pass-Through Certificate Series 20restricted60636APU1DebtMUNUnited States425,000principal$374K0.01%2
Mississippi Home Corporation, Multifamily Housing Revenue Bonds, Tupelo Personal Care Apartments, Series 2004-260535NAY3DebtMUNUnited States404,463principal$370K0.01%2
California Enterprise Development Authority, Charter School Revenue Bonds, Norton Science & Language Academy Project, Series 2021restricted13069AAQ1DebtMUNUnited States500,000principal$362K0.01%2
New Jersey Health Care Facilities Financing Authority, Revenue Bonds, RWJ Barnabas Health Obligated Group, Refunding Series 2024A645790TL0DebtMUNUnited States375,000principal$352K0.01%2
Missouri Health and Educational Facilities Authority, Revenue Bonds, Lutheran Senior Services Projects, Series 2024A60635H4C0DebtMUNUnited States350,000principal$350K0.01%2
Abbott Square Community Development District, Zephyrhills, Florida, Special Assessment Revenue Bonds, 2022 Project Series 202200284AAD6DebtMUNUnited States350,000principal$350K0.01%2
Colorado Educational and Cultural Facilities Authority, Charter School Revenue Bonds, Community Leadership Academy Project, Series 200819645RDT5DebtMUNUnited States345,000principal$345K0.01%2
Three Rivers Community Development District, Florida, Special Assessment Revenue Bonds, South Assessment Area Series 2021Brestricted88563MAG0DebtMUNUnited States350,000principal$342K0.01%2
Clay County Reorganized School District R-II Smithville, Missouri, General Obligation Bonds, Refunding Series 2015183513EN6DebtMUNUnited States340,000principal$340K0.01%2
North Park Isle Community Development District, Plant City, Florida, Special Assessment Revenue Bonds, Assessment Area 1, Series 2019661416AD9DebtMUNUnited States355,000principal$331K0.01%2
Kansas City, Missouri, Special Obligation Bonds, Downtown Redevelopment District, Series 2014C485106KP2DebtMUNUnited States325,000principal$325K0.01%2
Ephrata Area School District, Lancaster County, Pennsylvania, General Obligation Bonds, Notes Series 2026B294223SH6DebtMUNUnited States300,000principal$325K0.01%2
National Finance Authority, New Hampshire, Special Revenue Bonds, Wildflower Project, Denton County, Texas, Capital Appreciation Series 2025restricted63608TAV2DebtMUNUnited States504,000principal$322K0.01%2
Allegheny County Higher Education Building Authority, Pennsylvania, College Revenue Refunding Bonds, Robert Morris College, Series 1998A01729EGL5DebtMUNUnited States310,000principal$322K0.01%2
Ephrata Area School District, Lancaster County, Pennsylvania, General Obligation Bonds, Notes Series 2026B294223SK9DebtMUNUnited States300,000principal$321K0.01%2
Pima County Industrial Development Authority, Arizona, Education Facility Revenue Bonds, Edkey Charter Schools Project, Series 201672177PBP4DebtMUNUnited States400,000principal$320K0.01%2
Public Finance Authority of Wisconsin, Exempt Facilities Revenue Bonds, National Gypsum Company Project, Refunding Series 201674443QAF9DebtMUNUnited States335,000principal$320K0.01%2
CSCDA Community Improvement Authority, California, Essential Housing Revenue Bonds, Westgate Phase 1-Pasadena Apartments, Senior Lien Series 2021A-2restricted126292CB5DebtMUNUnited States535,000principal$318K0.01%2
Mississippi Business Finance Corporation, Gulf Opportunity Zone Revenue Bonds, King Edward Mixed-Use Project, Taxable Refunding Series 2019Arestricted60528BAW2DebtMUNUnited States335,000principal$318K0.01%2
Saint Charles County Public Water Supply District 2, Missouri, Certificates of Participation, Missouri Project, Series 202578764YFN2DebtMUNUnited States300,000principal$309K0.01%2
Mesquite, Texas, Special Assessment Bonds, Iron Horse Public Improvement District Project, Series 2019restricted590771AJ0DebtMUNUnited States300,000principal$308K0.01%2
New York City Housing Development Corporation, New York, Multi-Family Mortgage Revenue Bonds, 8 Spruce Street, Class F Series 2024restricted64966TGX6DebtMUNUnited States300,000principal$307K0.01%2
Corona, California, Special Tax Bonds, Community Facilities District 2018-2 Sierra Bella, Series 2022A219680GR0DebtMUNUnited States300,000principal$306K0.01%2
Yorkville United City Business District, Illinois, Storm Water and Water Improvement Project Revenue Bonds, Series 2007987357AA8DebtMUNUnited States895,000principal$304K0.01%2
Kansas City, Missouri, General Obligation Bonds, Refunding & Improvement Series 2018A484873NH3DebtMUNUnited States300,000principal$301K0.01%2
Kansas City Industrial Development Authority, Missouri, Downtown Redevelpment District Revenue Bonds, Series 2011A48503SEP0DebtMUNUnited States300,000principal$301K0.01%2
Aquarion Water Authority, Connecticut, Water System Revenue Bonds, Capital Appreciation Series 2026C03843TBJ9DebtMUNUnited States1,280,000principal$297K0.01%2
Puerto Rico Electric Power Authority, Revenue Bonds, Series 2010CCC74526YCQ6DebtMUNUnited States405,000principal$295K0.01%2
Evans Farm New Communty Authority, Ohio, Community Development Charge Revenue Bonds, Evans Farm Mixed-Use Project, Series 202029916QAC8DebtMUNUnited States340,000principal$290K0.01%2
Bee Cave, Travis County, Texas, Special Assessment Revenue Bonds, Backyard Public Improvement District Project, Series 2021restricted076561AD1DebtMUNUnited States300,000principal$286K0.01%2
Saint Louis, Missouri, Tax Increment Financing Revenue Bonds, Fashion Square Redevelopment Project, Series 2008A85232CAK0DebtMUNUnited States1,351,000principal$284K0.01%2
Hannibal Industrial Development Authority, Missouri, Health Facilities Revenue Bonds, Hannibal Regional Healthcare System, Series 2017410632CN1DebtMUNUnited States300,000principal$280K0.01%2
Pennsylvania Higher Educational Facilities Authority, Revenue Bonds, LaSalle University, Series 201270917R7E9DebtMUNUnited States360,000principal$278K0.01%2
Cumberland County Municipal Authority, Pennsylvania, Revenue Bonds, Diakon Lutheran Social Ministries Project, Series 2016230614LF4DebtMUNUnited States300,000principal$277K0.01%2
North Pine Vistas Metropolitan District 3, Castle Pines, Douglas County, Colorado, Limited Tax General Obligation Bonds, Subordinate Series 2021B661558AX4DebtMUNUnited States322,000principal$276K0.01%2
Puerto Rico Electric Power Authority, Revenue Bonds, Series 2008WW74526YED3DebtMUNUnited States375,000principal$273K0.01%2
Belmond Reserve Community Development District, Hillsborough County, Special Assessment Revenue Bonds, 2020 Project, Series 202008015TAD4DebtMUNUnited States330,000principal$269K0.01%2
Pennsylvania Higher Educational Facilities Authority, Revenue Bonds, University Properties Inc. Student Housing Project at East Stroudsburg University709181BZ3DebtMUNUnited States270,000principal$268K0.01%2
Puerto Rico Electric Power Authority, Revenue Bonds, Series 2008WW74526YEG6DebtMUNUnited States360,000principal$262K0.01%2
New Jersey Educational Facilities Authority, Revenue Bonds, Rider University, Series 2017F646066Z78DebtMUNUnited States330,000principal$259K0.01%2
Marshall School District, Missouri, Certificates of Participation, Series 2023572636BZ0DebtMUNUnited States250,000principal$257K0.01%2
Wisconsin Center District, Dedicated Tax Revenue Bonds, Supported by State Moral Obligation Junior Series 2020D976595JF6DebtMUNUnited States970,000principal$253K0.01%2
Puerto Rico Aqueduct and Sewerage Authority, Revenue Bonds, Refunding Senior Lien Series 2020Arestricted745160SJ1DebtMUNUnited States250,000principal$252K0.01%2
Saint Louis County Industrial Development Authority, Missouri, Revenue Bonds, Friendship Village of Sunset Hills, Series 2012791524BQ3DebtMUNUnited States250,000principal$250K0.01%2
Howard Bend Levee District, St. Louis County, Missouri, Levee District Improvement Bonds, Series 2013B442499DY2DebtMUNUnited States250,000principal$250K0.01%2
Pima County Industrial Development Authority, Arizona, Education Facility Revenue Bonds, Synergy Public Charter School Project, Series 2020restricted72177MTA5DebtMUNUnited States250,000principal$250K0.01%2
Pilot Point, Texas, Special Assessment Revenue Bonds, Creekview Public Improvement District Zone A Improvement Area 1 Project, Series 2022restricted721614AL9DebtMUNUnited States250,000principal$249K0.01%2
Mirada II Community Development District, Florida, Capital Improvement Revenue Bonds, Series 2022restricted60463WAH6DebtMUNUnited States245,000principal$248K0.01%2
Capital Trust Agency, Florida, Educational Facilities Revenue Bonds, AcadeMir Charter Schools, Series 2021Arestricted14054CEA3DebtMUNUnited States285,000principal$247K0.01%2
Michigan Finance Authority, Public School Academy Limited Obligation Revenue Bonds, Hope Academy Project, Refunding Series 2021restricted594479GS0DebtMUNUnited States315,000principal$246K0.01%2
Saint Louis County Industrial Development Authority, Missouri, Sales Tax Revenue Bonds, Chesterfield Blue Valley Community Improvement District Projecrestricted79152TAC0DebtMUNUnited States250,000principal$246K0.01%2
Missouri Development Finance Board, Infrastructure Facilities Revenue Bonds, City of Branson - Branson Landing Project, Series 2015A60636SER1DebtMUNUnited States245,000principal$245K0.01%2
Mariposa East Public Improvement District, New Mexico, Special Levy Revenue Bonds, Series 2015C57025SAC3DebtMUNUnited States240,000principal$240K0.01%2
Palm Beach County Health Facilities Authority, Florida, Hospital Revenue Bonds, Jupiter Medical Center, Series 202269651ACE2DebtMUNUnited States250,000principal$238K0.01%2
South Carolina Jobs-Economic Development Authority, Educational Facilities Revenue Bonds, Virtus Academy Project, Series 2023Arestricted83704MCS3DebtMUNUnited States235,000principal$236K0.01%2
Missouri Health and Educational Facilities Authority, Health Facilities Revenue Bonds, BJC Health System, Series 2015A60637AHZ8DebtMUNUnited States250,000principal$234K0.01%2
Coddington Community Development District, Manatee County, Florida, Capital Improvement Revenue Bonds, Series 2022restricted19189EAC6DebtMUNUnited States210,000principal$218K0.01%2
Chester County, Pennsylvania, General Obligation Bonds, Series 20251655732H8DebtMUNUnited States200,000principal$214K0.01%2
Bridgeton Industrial Development Authority, Missouri, Senior Housing Revenue Bonds, The Sarah Community Project, Refunding Series 2016108468AZ2DebtMUNUnited States210,000principal$210K0.01%2
Stone County Public Water Supply District 2, Missouri, Certificates of Participation, Series 2021B86161LAK3DebtMUNUnited States260,000principal$209K0.01%2
Chester County Health and Education Facilities Authority, Pennsylvania, Revenue Bonds, Simpson Senior Services Project, Series 2015A165579EV1DebtMUNUnited States230,000principal$205K0.01%2
Missouri Southern State University, Auxiliary Enterprise System Revenue Bonds, Series 2019A60629QAR8DebtMUNUnited States210,000principal$201K0.01%2
Howard Bend Levee District, St. Louis County, Missouri, Levee District Improvement Bonds, Series 2013B442499DZ9DebtMUNUnited States200,000principal$200K0.01%2
Pima County Industrial Development Authority, Arizona, Education Facility Revenue Bonds, Edkey Charter Schools Project, Series 201672177PBN9DebtMUNUnited States245,000principal$196K0.01%2
New Jersey Health Care Facilities Financing Authority, Revenue Bonds, Hunterdon Medical Center, Refunding Series 2014A64579F7C1DebtMUNUnited States210,000principal$190K0.01%2
Dormitory Authority of the State of New York, Revenue Bonds, Orange Regional Medical Center Obligated Group, Series 2017restricted64990CQB0DebtMUNUnited States200,000principal$188K0.01%2
New Jersey Higher Education Student Assistance Authority, Student Loan Revenue Bonds, Refunding Series 2018A646080TD3DebtMUNUnited States180,000principal$180K0.01%2
New Jersey Higher Education Student Assistance Authority, Student Loan Revenue Bonds, Refunding Series 2018A646080TF8DebtMUNUnited States180,000principal$180K0.01%2
Saint Louis County Industrial Development Authority, Missouri, Revenue Bonds, Friendship Village of Sunset Hills, Series 2012791524BP5DebtMUNUnited States175,000principal$175K0.00%2
Pennsylvania Economic Development Financing Authority, Revenue Bonds, University of Pittsburgh Medical Center, Fixed Rate Series 2023A-270870JFM5DebtMUNUnited States200,000principal$174K0.00%2
Louisiana Public Facilities Authority, Louisiana, Revenue Bonds, Lincoln Preparatory School Project, Series 2022Arestricted546399PJ9DebtMUNUnited States200,000principal$171K0.00%2
Ozark R-6 School District, Christian County, Missouri, General Obligation Bonds, Series 2023692647DE7DebtMUNUnited States155,000principal$160K0.00%2
Mariposa East Public Improvement District, New Mexico, Revenue Bonds, Capital Appreciation Taxable Series 2015D57025RAA9DebtMUNUnited States265,000principal$158K0.00%2
Allentown Neighborhood Improvement Zone Development Authority, Pennsylvania, Tax Revenue Bonds, City Center Project, Series 2018restricted018444BB4DebtMUNUnited States155,000principal$158K0.00%2
Doylestown Hospital Authority, Pennsylvania, Hospital Revenue Bonds, Series 2019A261333HC5DebtMUNUnited States150,000principal$158K0.00%2
New Jersey Higher Education Student Assistance Authority, Student Loan Revenue Bonds, Refunding Series 2018A646080TJ0DebtMUNUnited States155,000principal$155K0.00%2
Chester County Industrial Development Authority, Pennsylvania, Student Housing Revenue Bonds, University Student Housing, LLC Project at West Chester 16559PAT2DebtMUNUnited States160,000principal$152K0.00%2
Adamsville Solid Waste Disposal Authority, Alabama, Solid Waste Disposal Revenue Bonds, Big Sky Environmental LLC Project, Taxable Series 2017Brestricted006483AC5DebtMUNUnited States212,352principal$149K0.00%2
Madison County Capital Resource Corporation, New York, Revenue Bonds, Cazenovia College Project, Series 2019A557363DJ4DebtMUNUnited States1,000,000principal$148K0.00%2
The Redevelopment Authority of the City of Scranton, Lackawanna county, Pennsylvania, Guaranteed Lease Revenue Bonds, Series 2016A81080LAG1DebtMUNUnited States145,000principal$145K0.00%2
Rowlett, Texas, Special Assessment Revenue Bonds, Bayside Public Improvement District North Improvement Area, Series 2016779719AA1DebtMUNUnited States145,000principal$145K0.00%2
New Jersey Higher Education Student Assistance Authority, Student Loan Revenue Bonds, Refunding Series 2018A646080TG6DebtMUNUnited States145,000principal$145K0.00%2
Philadelphia Authority for Industrial Development, Pennsylvania, Revenue Bonds, University of the Arts, Series 2017restricted71781XGR8DebtMUNUnited States140,000principal$145K0.00%2
Tacoma Consolidated Local Improvement District 65, Washington, Special Assessment Bonds, Series 2013873472EH3DebtMUNUnited States145,000principal$145K0.00%2
Fate, Rockwall County, Texas, Special Assessment Revenue Bonds, Williamsburg Public Improvement District 1 Phase 2B, 2C & 3A1, Series 2019restricted31189RBC1DebtMUNUnited States165,000principal$144K0.00%2
Philadelphia Authority for Industrial Development, Pennsylvania, Revenue Bonds, University of the Arts, Series 2017restricted71781XGT4DebtMUNUnited States707,174principal$141K0.00%2
Mariposa East Public Improvement District, New Mexico, Special Levy Revenue Bonds, Series 2015B57025SAB5DebtMUNUnited States135,000principal$135K0.00%2
California Community Housing Agency, California, Essential Housing Revenue Bonds, Summit at Sausalito Apartments, Series 2021A-1restricted13013FBB9DebtMUNUnited States200,000principal$133K0.00%2
Public Finance Authority of Wisconsin, Charter School Revenue Bonds, Founders Academy of Las Vegas, Series 2020Arestricted744396FT4DebtMUNUnited States150,000principal$128K0.00%2
Taney County Industrial Development Authority, Missouri, Sales Tax Revenue Improvement Bonds, Big Cedar Infrastructure Project Series 2023restricted87539QAB5DebtMUNUnited States125,000principal$125K0.00%2
Willowbrook Community Development District, Florida, Special Assessment Revenue Bonds, Assessment Area One Project Series 2024restricted971227AC7DebtMUNUnited States120,000principal$118K0.00%2
Florida Development Finance Corporation, Educational Facilities Revenue Bonds, Renaissance Charter School, Inc. Projects, Series 2020Crestricted34061UFC7DebtMUNUnited States120,000principal$107K0.00%2
Missouri Health and Educational Facilities Authority, Revenue Bonds, Lake Regional Health System, Series 202160637AUZ3DebtMUNUnited States125,000principal$102K0.00%2
Michigan Finance Authority, Public School Academy Limited Obligation Revenue Bonds, Hope Academy Project, Refunding Series 2021restricted594479GR2DebtMUNUnited States110,000principal$101K0.00%2
Kirkwood Industrial Development Authority, Missouri, Retirement Community Revenue Bonds, Aberdeen Heights Project, Refunding Series 2017A497609BB2DebtMUNUnited States100,000principal$100K0.00%2
Land Clearance for Redevelopment Authority of Kansas City, Missouri, Project Revenue Bonds, Convention Center Hotel Project - TIF Financing, Series 20restricted48504MAC5DebtMUNUnited States100,000principal$100K0.00%2
Saint Louis County Industrial Development Authority, Missouri, Revenue Bonds, Saint Andrew's Resources for Seniors, Series 2015A791524BY6DebtMUNUnited States100,000principal$99.3K0.00%2
Land Clearance for Redevelopment Authority of Kansas City, Missouri, Project Revenue Bonds, Convention Center Hotel Project - TIF Financing, Series 20restricted48504MAD3DebtMUNUnited States100,000principal$97.9K0.00%2
Missouri Health and Educational Facilities Authority, Revenue Bonds, Webster University, Refunding Series 201760636APL1DebtMUNUnited States115,000principal$90.6K0.00%2
Stone Ridge Metropolitan District 2, Colorado, General Obligation Bonds, Limited Tax Convertible to Unlimited, Series 2007861723AD6DebtMUNUnited States3,000,000principal$90K0.00%2
Saline County Industrial Development Authority, Missouri, First Mortgage Revenue Bonds, Missouri Valley College, Series 201779516TCR6DebtMUNUnited States100,000principal$88.5K0.00%2
Missouri Health and Educational Facilities Authority, Revenue Bonds, Lutheran Senior Services Projects, Series 2019C60635H3D9DebtMUNUnited States100,000principal$85.8K0.00%2
Suffolk Tobacco Asset Securitization Corporation, New York, Tobacco Settlement Asset-Backed Bonds, Series 2021B-2864809CD8DebtMUNUnited States855,000principal$69.8K0.00%2
Chicago, Illinois, General Obligation Bonds, Refunding Series 2016C167486Z77DebtMUNUnited States70,000principal$67.8K0.00%2
Conley Road Transportation District, Missouri, Transportation Sales Tax Revenue Bonds, Series 2017207380AB2DebtMUNUnited States55,000principal$55K0.00%2
Williston, North Dakota, Multifamily Housing Revenue Bonds, Eagle Crest Apartments LLC Project, Series 2013970712AB1DebtMUNUnited States1,317,468principal$50.2K0.00%2
Public Finance Authority of Wisconsin, Revenue Bonds, Alabama Proton Therapy Center, Senior Series 2017Arestricted74442PEW1DebtMUNUnited States500,000principal$50K0.00%2
Saint Charles County Industrial Development Authority, Missouri, Sales Tax Revenue Bonds, Wentzville Parkway Regional Community Improvement District Prestricted78764LAF2DebtMUNUnited States50,000principal$42.6K0.00%2
Fulton, Missouri, Tax Increment Revenue Bonds, Fulton Commons Redevelopment Project, Series 2006360582AL4DebtMUNUnited States254,575principal$35.6K0.00%2
Montclair Township Board of Education, Essex County, New Jersey, General Obligation Bonds, School Series 2025612223BP1DebtMUNUnited States35,000principal$34.8K0.00%2
New Jersey Health Care Facilities Finance Authority, Revenue Bonds, AHS Hospital Corporation, Series 2008A645790ED4DebtMUNUnited States30,000principal$30K0.00%2
Mariposa East Public Improvement District, New Mexico, Special Levy Revenue Bonds, Series 2015A57025SAA7DebtMUNUnited States30,000principal$30K0.00%2
Berks County Municipal Authority, Pennsylvania, Revenue Bonds, Alvernia University Project, Series 202008454AAC5DebtMUNUnited States20,000principal$16.8K0.00%2
Transportation Development District, Missouri, Transportation Sales Tax Revenue Bonds, Series 201762459HAB4DebtMUNUnited States10,000principal$9.9K0.00%2
BL TRAIN HOLDINGS WEST LLC05594N118Equity deriv.CORPUnited States9,810shares$4.9K0.00%3
California Community Housing Agency, California, Essential Housing Revenue Bonds, Serenity at Larkspur Apartments, Series 2020Arestricted13013FAC8DebtMUNUnited States219,959principal$4.2K0.00%2
Puerto Rico Electric Power Authority, Power Revenue Bonds, Series 2010AAA74526QYE6DebtMUNUnited States3,000principal$2.2K0.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QAG5DebtMUNUnited States280,946principal$1.7K0.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAE0DebtMUNUnited States147,580principal$8750.00%2
Puerto Rico Electric Power Authority, Power Revenue Bonds, Series 2010AAA74526QYB2DebtMUNUnited States1,000principal$7290.00%2
Pennsylvania Economic Development Financing Authority, Exempt Facilities Revenue Bonds, KDC Agribusiness Fairless Hills LLC Project, Series 2021A708686ER7DebtMUNUnited States2,970,000principal$2970.00%3
Pennsylvania Economic Development Financing Authority, Exempt Facilities Revenue Bonds, KDC Agribusiness Fairless Hills LLC Project, Series 2020A-1restricted708686EK2DebtMUNUnited States2,220,000principal$2220.00%3
Pennsylvania Economic Development Financing Authority, Exempt Facilities Revenue Bonds, KDC Agribusiness Fairless Hills LLC Project, Series 2020A-2restricted708686EM8DebtMUNUnited States2,220,000principal$2220.00%3
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCE8DebtMUNUnited States25,308principal$1640.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QDS6DebtMUNUnited States24,119principal$1630.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCF5DebtMUNUnited States25,138principal$1620.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCA6DebtMUNUnited States23,780principal$1590.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCG3DebtMUNUnited States24,798principal$1580.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCB4DebtMUNUnited States23,609principal$1570.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCH1DebtMUNUnited States24,628principal$1560.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCC2DebtMUNUnited States23,439principal$1540.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCJ7DebtMUNUnited States24,289principal$1530.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCD0DebtMUNUnited States23,100principal$1510.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCK4DebtMUNUnited States23,949principal$1500.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCL2DebtMUNUnited States23,780principal$1480.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCM0DebtMUNUnited States23,439principal$1450.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCN8DebtMUNUnited States23,270principal$1430.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCP3DebtMUNUnited States23,100principal$1420.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCQ1DebtMUNUnited States22,761principal$1390.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCR9DebtMUNUnited States22,590principal$1370.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCS7DebtMUNUnited States22,250principal$1340.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCT5DebtMUNUnited States22,081principal$1330.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCU2DebtMUNUnited States21,911principal$1310.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, Second Tier Series 2018Brestricted74445QCV0DebtMUNUnited States21,571principal$1280.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAP5DebtMUNUnited States13,400principal$860.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAU4DebtMUNUnited States13,576principal$850.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAJ9DebtMUNUnited States12,606principal$850.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAQ3DebtMUNUnited States13,224principal$840.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAV2DebtMUNUnited States13,224principal$820.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAR1DebtMUNUnited States12,783principal$810.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAW0DebtMUNUnited States12,871principal$790.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAS9DebtMUNUnited States12,518principal$790.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAX8DebtMUNUnited States12,606principal$770.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAT7DebtMUNUnited States12,254principal$770.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAY6DebtMUNUnited States12,430principal$760.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAZ3DebtMUNUnited States12,077principal$730.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAK6DebtMUNUnited States11,020principal$730.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QBD1DebtMUNUnited States12,254principal$730.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAL4DebtMUNUnited States10,843principal$710.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QBA7DebtMUNUnited States11,813principal$710.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QBB5DebtMUNUnited States11,548principal$690.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAM2DebtMUNUnited States10,491principal$690.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QBC3DebtMUNUnited States11,372principal$680.00%2
Public Finance Authority of Wisconsin, Conference Center and Hotel Revenue Bonds, Lombard Public Facilities Corporation, First Tier Series 2018A-1restricted74445QAN0DebtMUNUnited States10,314principal$670.00%2
KDC Agribusiness Fairless Hills LLC48244KAA8LoanCORPUnited States514,704principal$510.00%3
Puerto Rico, General Obligation Bonds, Restructured Series 2022A-174514L3G0DebtMUNUnited States45principal$460.00%2
Public Finance Authority of Wisconsin, Wisconsin Revenue Note, KDC Agribusiness LLC Project, Series 2022B74442PYN9DebtMUNUnited States285,000principal$290.00%3
Director of Nevada State Department of Business & Industry, Environmental Improvement Revenue Bonds, Fulcrum Sierra BioFuels LLC Project, Green Seriesrestricted25461PAG8DebtMUNUnited States1,832,349principal$180.00%2
Director of Nevada State Department of Business & Industry, Environmental Improvement Revenue Bonds, Fulcrum Sierra Holdings LLC, Green Series 2019restricted25461PAF0DebtMUNUnited States1,829,755principal$180.00%2
Director of Nevada State Department of Business & Industry, Environmental Improvement Revenue Bonds, Fulcrum Sierra BioFuels LLC Project, Series 2017restricted25461PAB9DebtMUNUnited States780,952principal$80.00%2
Adamsville Solid Waste Disposal Authority, Alabama, Solid Waste Disposal Revenue Bonds, Big Sky Environmental LLC Project, Refunding Taxable Series 20restricted006483AD3DebtMUNUnited States182,352principal$20.00%2
Palouse Fiber Holdings LLC902SWP909EquityCORPUnited States39shares$00.00%3
Puerto Rico, General Obligation Bonds, Vintage CW NT Claims Taxable Series 202274514L3T2DebtMUNUnited States0principal$00.00%2

Equities show share counts; bonds and loans show principal amount. Coupon, maturity and ratings are shown where the filing discloses them. Source: SEC N-PORT via market-data vendor re-serve, position-level.

Holdings reports on file

Report dateFiledPositionsΣ weightNet assets (calc.)Coverage
Jul 31, 2026Sep 25, 20261,464100.0%$3.6Bfull
Apr 30, 2026Jun 24, 20261,470100.0%$3.6Bfull
Jan 31, 2026Mar 25, 2026893100.0%$2Bfull
Oct 31, 2025Dec 30, 2025881100.0%$2Bfull

Net assets here are calculated from position values ÷ reported weights (median across positions), not a reported figure.

CEF Explorer research page for Nuveen Municipal High Income Opportunity Fund. Figures carry their own dates and sources; a discount to NAV does not guarantee convergence or any return. This is not investment advice.