NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

NMZNYSE

$8.95+0.05 (+0.56%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-15.6%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Morgan Stanley	Not reported	$33.5M	0.00%	Not reported
Guggenheim Capital LLC	Not reported	$25.1M	0.16%	Add 16.31%
Wells Fargo & Company	Not reported	$24.9M	0.00%	Not reported
Sit Investment Associates Inc	Not reported	$24.7M	0.47%	New Not reported
Hennion & Walsh Asset Management, Inc.	Not reported	$23.4M	0.67%	Add 35.26%
Raymond James Financial Inc	Not reported	$20.4M	0.01%	Not reported
UBS Group AG	Not reported	$16.2M	0.00%	Not reported
Bank of America Corp	Not reported	$11.8M	0.00%	Not reported
LPL Financial LLC	Not reported	$11.4M	0.00%	Not reported
Van Eck Associates Corp	Not reported	$11.2M	0.01%	Add 56.68%
Rivernorth Capital Management, LLC	Not reported	$11.1M	0.53%	Not reported
Cetera Investment Advisers	Not reported	$10.6M	0.01%	Not reported
Melone Private Wealth, LLC	Not reported	$8.95M	3.41%	Add 25.82%
Rockefeller Capital Management L.P.	Not reported	$6.26M	0.01%	Not reported
Northwestern Mutual Wealth Management Co	Not reported	$5.46M	0.00%	Not reported
Royal Bank of Canada	Not reported	$4.76M	0.00%	Not reported
Commonwealth Equity Services, LLC	Not reported	$4.72M	0.01%	Not reported
Osaic Holdings, Inc.	Not reported	$3.3M	0.00%	Not reported
Cambridge Investment Research Advisors, Inc.	Not reported	$3.03M	0.00%	Not reported
Advisors Asset Management, Inc.	Not reported	$2.87M	0.04%	Not reported
HighTower Advisors, LLC	Not reported	$2.8M	0.00%	Not reported
Baird Financial Group, Inc.	Not reported	$2.29M	0.00%	Add 37.77%
Kestra Advisory Services, LLC	Not reported	$2.01M	0.01%	Not reported
OneDigital Investment Advisors LLC	Not reported	$1.98M	0.02%	Not reported
AE Wealth Management LLC	Not reported	$1.83M	0.01%	Not reported
Equitable Holdings, Inc.	Not reported	$1.8M	0.01%	Not reported
Fifth Third Bancorp	Not reported	$1.78M	0.00%	Not reported
NewEdge Advisors, LLC	Not reported	$1.75M	0.01%	Not reported
Stifel Financial Corp	Not reported	$1.6M	0.00%	Not reported
PFG Investments, LLC	Not reported	$1.49M	0.06%	Add 10.56%
Ellis Investment Partners, LLC	Not reported	$1.47M	0.22%	Add 25.09%
High Net Worth Advisory Group LLC	Not reported	$1.44M	0.31%	Reduce 2.79%
Palogic Value Management, L.P.	Not reported	$1.43M	0.47%	Add 1.88%
BCS Private Wealth Management, Inc.	Not reported	$1.44M	0.43%	New Not reported
Kingsview Wealth Management, LLC	Not reported	$1.31M	0.02%	New Not reported
Cerity Partners LLC	Not reported	$1.24M	0.00%	Not reported
Ameriprise Financial Inc	Not reported	$1.23M	0.00%	Not reported
Wakefield Asset Management LLLP	Not reported	$1.22M	0.28%	Add 13.65%
Breakwater Capital Group	Not reported	$1.17M	0.14%	New Not reported
Private Advisor Group, LLC	Not reported	$1.16M	0.01%	Not reported
Gridiron Partners, LLC	Not reported	$1.07M	0.56%	Reduce 68.23%
Focus Partners Wealth	Not reported	$1.03M	0.00%	Not reported
&Partners	Not reported	$1.03M	0.00%	Add 4.06%
MFA Wealth Services	Not reported	$1.01M	0.60%	Reduce 12.72%
Venture Visionary Partners LLC	Not reported	$979K	0.03%	Add 31.90%
North Ground Capital	Not reported	$947K	1.14%	New Not reported
Ausdal Financial Partners, Inc.	Not reported	$940K	0.04%	Add 4.89%
Envestnet Asset Management Inc	Not reported	$903K	0.00%	Not reported
YHB Investment Advisors, Inc.	Not reported	$869K	0.06%	Add 54.96%
Jane Street Group, LLC	Not reported	$847K	0.00%	Not reported

50 of 200 holders

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