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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 2025 vs. Q1 2025

How the institutions holding Nuveen Municipal High Income Opportunity Fund changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of NMZ: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders1332127−4
Shares17.3M31.0K17.2M−90.3K (−0.5%)
Value$188.9M$338.3K$178.2M−$10.4M (−5.5%)

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (14)

Institutions that held Nuveen Municipal High Income Opportunity Fund at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to NMZ in Q2 2025
InstitutionSharesValue% of portfolio
Platform Technology Partners58,363$605.2K0.16%
StoneX Group Inc.30,664$318.0K0.02%
Balyasny Asset Management LLC23,829$247.1K0.00%
Fisher Asset Management, LLC23,495$243.6K0.00%
Duncker Streett & Co Inc22,900$237.5K0.04%
Plan Group Financial, LLC20,427$211.8K0.07%
Merit Financial Group, LLC13,302$137.9K0.00%
Secure Asset Management, LLC12,152$126.0K0.02%
Colonial River Wealth Management, LLC10,000$103.9K0.04%
Axxcess Wealth Management, LLC10,000$103.7K0.00%
Trust Co of Toledo NA1,000$10.4K0.00%
CoreFirst Bank & Trust403$4.18K0.00%
Global Retirement Partners, LLC329$3.41K0.00%
Tower Research Capital LLC (TRC)19$1970.00%

Sold out (18)

Institutions that held Nuveen Municipal High Income Opportunity Fund at the end of Q1 2025 and filed for Q2 2025 without it.

Not filed for Q2 2025 yet (2)

Institutions that held Nuveen Municipal High Income Opportunity Fund at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NMZ in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Monterey Private Wealth, Inc.15,547$169.6K
Noble Wealth Management PBC15,464$168.7K