Nuveen Municipal High Income Opportunity Fund

NMZ

Exchange: NYSE
SEC CIK: 0001266585

SEC filings (opens in a new tab)

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.

Q4 2023 vs. Q3 2023

How the institutions holding Nuveen Municipal High Income Opportunity Fund changed between Q3 2023 and Q4 2023.

All holders in Q4 2023 All holders in Q3 2023

13F holders of NMZ: Q3 2023 compared with Q4 2023
Measure	Q3 2023	Of which not filed for Q4 2023	Q4 2023	Change
Holders	114	2	133	+21
Shares	13.6M	66.8K	15.4M	+1.82M (+13.4%)
Value	$126.6M	$620.4K	$152.2M	+$26.2M (+20.8%)

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (34)

Institutions that held Nuveen Municipal High Income Opportunity Fund at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to NMZ in Q4 2023
Institution	Shares	Value	% of portfolio
Gridiron Partners, LLC	502,715	$4.97M	3.50%
Robinson Capital Management, LLC	341,384	$3.38M	1.20%
Centiva Capital, LP	138,289	$1.37M	0.09%
Weiss Asset Management LP	111,044	$1.10M	0.08%
Von Berge Wealth Management Group, LLC	98,530	$967.6K	0.74%
Logan Stone Capital, LLC	78,513	$775.7K	0.16%
Wakefield Asset Management LLLP	74,152	$732.6K	0.27%
Wolverine Asset Management LLC	53,760	$531.1K	0.01%
Archetype Wealth Partners	37,200	$368.0K	0.07%
Cerity Partners LLC	32,253	$318.7K	0.00%
Sage Private Wealth Group, LLC	31,993	$316.1K	0.28%
Waterloo Capital, L.P.	31,718	$313.4K	0.05%
Nomura Holdings Inc	27,767	$274.3K	0.00%
Advisor Resource Council	27,450	$271.2K	0.03%
Marex Group plc	25,091	$247.9K	0.01%
Moors & Cabot, Inc.	22,500	$222.3K	0.01%
Melfa Wealth Management, LLC	22,153	$218.9K	0.21%
Elequin Capital LP	21,561	$213.0K	0.06%
Cohen & Steers, Inc.	20,000	$198.0K	0.00%
Sollinda Capital Management LLC	14,000	$138.3K	0.04%
Huntington National Bank	–	$134.3K	0.00%
Ackerman Capital Advisors, LLC	13,547	$133.8K	0.04%
Beacon Pointe Advisors, LLC	13,031	$128.7K	0.00%
We Are One Seven, LLC	11,549	$114.1K	0.01%
Principle Wealth Partners LLC	11,000	$108.7K	0.01%
Catalina Capital Group, LLC	10,649	$105.2K	0.08%
MML Investors Services, LLC	10,629	$105.0K	0.00%
Sage Capital Management, LLC	10,500	$103.7K	0.06%
Arlington Capital Management, Inc.	10,214	$100.9K	0.09%
Kingswood Wealth Advisors, LLC	10,050	$99.3K	0.01%
Snowden Capital Advisors LLC	10,000	$98.8K	0.00%
LM Advisors LLC	2,390	$23.6K	0.00%
BOK Financial Private Wealth, Inc.	1,000	$9.88K	0.00%
Benjamin F. Edwards & Company, Inc.	218	$2.00K	0.00%

Sold out (13)

Institutions that held Nuveen Municipal High Income Opportunity Fund at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of NMZ in Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
StoneX Group Inc.	335,752	$3.12M
Creative Planning	45,772	$424.8K
Susquehanna International Group, LLP	35,726	$331.5K
Walleye Capital LLC	34,200	$317.4K
Walled Lake Planning & Wealth Management, LLC	21,859	$202.9K
HighTower Advisors, LLC	21,544	$199.0K
Smith, Moore & Co.	21,206	$196.8K
Brown Advisory Inc	16,243	$150.7K
Waterfront Wealth Inc.	17,000	$144.6K
D.A. Davidson & Co.	13,832	$128.4K
TrinityPoint Wealth, LLC	11,999	$111.4K
Aurora Private Wealth, Inc.	10,476	$97.0K
Washington Trust Advisors, Inc.	2,426	$22.5K

Not filed for Q4 2023 yet (2)

Institutions that held Nuveen Municipal High Income Opportunity Fund at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NMZ in Q3 2023 that haven't filed for Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Goodwin Daniel L	66,000	$612.5K
WFA of San Diego, LLC	850	$7.89K