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Livermore
Livermore
ZHEN

Nuveen Municipal High Income Opportunity Fund

NMZ
Exchange
NYSE
SEC CIK
0001266585

In the last 90 days, Nuveen Municipal High Income Opportunity Fund insiders filed 3 open-market purchases and 3 sales; 213 institutions reported holding it in 13F filings for Q2 2026, worth $358.6M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Nuveen Municipal High Income Opportunity Fund changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of NMZ: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders1381213+76
Shares20.2M1.92K33.9M+13.7M (+68.2%)
Value$209.4M$20.0K$358.6M+$149.2M (+71.3%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (88)

Institutions that held Nuveen Municipal High Income Opportunity Fund at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to NMZ in Q2 2026
InstitutionSharesValue% of portfolio
Sit Investment Associates Inc2,336,943$24.7M0.47%
Rivernorth Capital Management, LLC1,049,891$11.1M0.53%
J.W. Cole Advisors, Inc.1,023,649$10.8M0.19%
HighTower Advisors, LLC265,084$2.80M0.00%
Equitable Holdings, Inc.170,091$1.80M0.01%
BCS Private Wealth Management, Inc.134,954$1.44M0.43%
Kingsview Wealth Management, LLC124,142$1.31M0.02%
Breakwater Capital Group110,775$1.17M0.14%
CF Capital LLC89,600$947.1K1.14%
The PNC Financial Services Group, Inc.76,640$810.1K0.00%
Captrust Financial Advisors69,119$730.6K0.00%
Wealthcare Advisory Partners LLC62,179$657.2K0.01%
Evolve Private Wealth, LLC52,207$555.3K0.03%
Nations Financial Group Inc,39,327$415.7K0.02%
West Chester Capital Advisors, Inc39,137$413.7K0.28%
Wealth Effects LLC37,898$400.6K0.11%
Atomi Financial Group, Inc.32,452$343.0K0.01%
RMR Wealth Builders31,182$331.6K0.02%
Aviance Capital Partners, LLC31,123$329.0K0.03%
NCM Capital Management, LLC30,451$321.9K0.10%
Sykon Capital LLC30,271$320.0K0.10%
Alpine Global Management, LLC28,980$306.3K0.05%
Ethos Financial Group, LLC28,583$294.0K0.02%
Peapack Gladstone Financial Corp27,767$293.0K0.00%
Johnson & White Wealth Management, LLC26,941$284.8K0.11%
Buckingham Strategic Partners26,937$284.7K0.00%
StoneX Group Inc.26,264$279.3K0.01%
Highland Investment Advisors LLC26,336$278.4K0.12%
TCG Advisory Services, LLC26,213$277.1K0.01%
Chancellor Financial Group WB LP26,126$276.2K0.17%
OMNI 360 Wealth, Inc.25,893$273.7K0.13%
Mirador Capital Partners LP25,438$268.9K0.03%
Envestnet Portfolio Solutions, Inc.25,341$267.9K0.00%
Alexander Labrunerie & Co., Inc.24,948$263.7K0.09%
RMB Capital Management, LLC23,519$250.1K0.00%
Krilogy Financial LLC22,434$237.1K0.01%
Haverford Trust Co20,362$215.2K0.00%
Fragasso Group Inc.20,190$213.4K0.01%
MML Investors Services, LLC19,645$207.6K0.00%
Regal Investment Advisors LLC19,067$201.5K0.01%
Pine Valley Investments Ltd Liability Co18,958$201.4K0.01%
Cary Street Partners Financial LLC18,496$195.5K0.00%
Grimes & Company, Inc.16,671$176.2K0.00%
David J Yvars Group15,508$163.9K0.08%
Virtu Financial LLC15,343$162.0K0.01%
Joel Isaacson & Co., LLC15,281$161.5K0.00%
Closed-End Fund Advisors, Inc.15,275$161.5K0.16%
Arkadios Wealth Advisors14,692$155.3K0.00%
Diversify Advisory Services, LLC15,000$153.3K0.00%
Ambassador Advisors, LLC14,304$151.2K0.02%
AQR Capital Management LLC14,137$149.4K0.00%
Green Ridge Wealth Planning LLC13,924$147.2K0.06%
Great Valley Advisor Group, Inc.13,177$139.3K0.00%
Two Sigma Securities, LLC13,087$138.3K0.01%
Wealth Management Associates, Inc.12,858$135.9K0.04%
Integrated Wealth Concepts LLC12,728$134.5K0.00%
Independent Wealth Network Inc.12,571$132.9K0.03%
Bank of New York Mellon Corp12,463$131.7K0.00%
Walker Asset Management, LLC12,462$131.7K0.07%
Tiaa-Cref Individual & Institutional Services, LLC12,325$130.3K0.00%
Savant Capital, LLC12,430$130.2K0.00%
Value Investment Professionals, LLC12,016$127.0K0.11%
Sovereign Financial Group, Inc.11,736$124.1K0.02%
Global Retirement Partners, LLC11,489$121.4K0.00%
Indivisible Partners11,051$116.8K0.01%
Key Client Fiduciary Advisors, LLC11,050$116.8K0.03%
Trustmark National Bank Trust Department11,000$116.3K0.01%
GenWealth Group, Inc.10,957$115.8K0.02%
Kennedy Investment Group10,173$107.5K0.04%
National Asset Management, Inc.10,064$106.0K0.01%
Smallwood Wealth Investment Management, LLC6,486$68.6K0.03%
Farmers & Merchants Trust Co of Chambersburg PA5,879$62.0K0.02%
McGuire Capital Advisors Inc4,215$44.6K0.02%
Allied Private Wealth LLC3,795$39.7K0.03%
Bogart Wealth, LLC3,555$37.6K0.00%
Costello Asset Management, INC3,310$35.0K0.01%
Key Financial Inc2,868$30.3K0.00%
Blue Bell Private Wealth Management, LLC2,532$26.8K0.00%
Princeton Global Asset Management LLC2,494$26.4K0.00%
Bare Financial Services, Inc2,173$23.0K0.01%
Daytona Street Capital LLC1,812$18.8K0.01%
EverSource Wealth Advisors, LLC1,587$16.8K0.00%
Pinnacle Wealth Planning Services, Inc.832$8.79K0.00%
MTM Investment Management, LLC574$6.07K0.00%
Maryland Capital Advisors Inc.427$4.51K0.00%
WPG Advisers, LLC231$2.44K0.00%
Delta Asset Management LLC171$1.81K0.00%
IMA Wealth, Inc.150$1.59K0.00%

Sold out (12)

Institutions that held Nuveen Municipal High Income Opportunity Fund at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of NMZ in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Robinson Capital Management, LLC332,674$3.39M
HBK Sorce Advisory LLC17,569$180.1K
Citadel Advisors LLC13,891$144.2K
D.A. Davidson & Co.11,930$123.8K
Focus Financial Network, Inc.10,484$109.5K
Garton & Associates Financial Advisors LLC10,262$106.5K
Allworth Financial LP8,500$88.2K
Advisory Services Network, LLC7,443$77.3K
Archetype Wealth Partners3,090$32.0K
Huntington National Bank–$23.5K
Sound Income Strategies, LLC1,131$11.7K
Tower Research Capital LLC (TRC)42$436

Not filed for Q2 2026 yet (1)

Institutions that held Nuveen Municipal High Income Opportunity Fund at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NMZ in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
CWM, LLC1,924$20.0K