What does CUSIP 670682103 represent in this 13F holders report?

CUSIP 670682103 is the security identifier for NMZ - NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM used to aggregate holder disclosures.

How many institutions held NMZ - NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM in Q1 2026?

134 institutional investors reported NMZ - NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM for Q1 2026. Use the holders table for investor-level position and value details.

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM (NMZ)

CUSIP: 670682103

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class: Equity / COM
Total 13F shares: 20,018,497
Share change: +1,236,541
Total reported value: $207,704,759
Price per share: $10.38
Number of holders: 134
Value change: +$12,831,224
Number of buys: 80
Number of sells: 33

Quarterly Holders Quick Answers

What is CUSIP 670682103?
CUSIP 670682103 identifies NMZ - NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM in SEC institutional holdings data.

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Back to full security ownership history for the broader multi-quarter picture.
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SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Previous quarter: Q4 2025

Recent filing periods for CUSIP 670682103:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of NMZ - NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
MORGAN STANLEY	13F	Company	— class O/S missing	2,622,749	$26,725,813	—	31 Dec 2025	13F
UBS Group AG	13F	Company	— class O/S missing	2,031,169	$20,697,612	—	31 Dec 2025	13F
GUGGENHEIM CAPITAL LLC	13F	Company	— class O/S missing	1,816,855	$18,513,752	—	31 Dec 2025	13F
Hennion & Walsh Asset Management, Inc.	13F	Company	— class O/S missing	1,140,557	$11,622,276	—	31 Dec 2025	13F
RAYMOND JAMES FINANCIAL INC	13F	Company	— class O/S missing	1,080,423	$11,009,512	—	31 Dec 2025	13F
WELLS FARGO & COMPANY/MN	13F	Company	— class O/S missing	849,487	$8,656,266	—	31 Dec 2025	13F
LPL Financial LLC	13F	Company	— class O/S missing	731,023	$7,449,126	—	31 Dec 2025	13F
Melone Private Wealth, LLC	13F	Company	— class O/S missing	656,100	$6,685,654	—	31 Dec 2025	13F
VAN ECK ASSOCIATES CORP	13F	Company	— class O/S missing	603,224	$6,147,000	—	31 Dec 2025	13F
Gridiron Partners, LLC	13F	Company	— class O/S missing	434,778	$4,430,388	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F 3/4/5	Company · 10%+ Owner	— class O/S missing	423,066	$4,311,046	—	31 Dec 2025	13F 3/4/5
Cetera Investment Advisers	13F	Company	— class O/S missing	358,987	$3,658,080	—	31 Dec 2025	13F
ROYAL BANK OF CANADA	13F	Company	— class O/S missing	267,856	$2,729,000	—	31 Dec 2025	13F
STIFEL FINANCIAL CORP	13F	Company	— class O/S missing	260,942	$2,658,994	—	31 Dec 2025	13F
JANE STREET GROUP, LLC	13F	Company	— class O/S missing	259,389	$2,643,173	—	31 Dec 2025	13F
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	13F	Company	— class O/S missing	239,941	$2,444,999	—	31 Dec 2025	13F
OSAIC HOLDINGS, INC.	13F	Company	— class O/S missing	210,652	$2,146,697	—	31 Dec 2025	13F
COMMONWEALTH EQUITY SERVICES, LLC	13F	Company	— class O/S missing	209,356	$2,133,336	—	31 Dec 2025	13F
OneDigital Investment Advisors LLC	13F	Company	— class O/S missing	184,586	$1,880,930	—	31 Dec 2025	13F
Advisors Asset Management, Inc.	13F	Company	— class O/S missing	167,745	$1,709,322	—	31 Dec 2025	13F
Platform Technology Partners	13F	Company	— class O/S missing	163,235	$1,663,360	—	31 Dec 2025	13F
Mariner, LLC	13F	Company	— class O/S missing	157,813	$1,608,118	—	31 Dec 2025	13F
Baird Financial Group, Inc.	13F	Company	— class O/S missing	157,489	$1,604,813	—	31 Dec 2025	13F
Kestra Advisory Services, LLC	13F	Company	— class O/S missing	152,882	$1,557,870	—	31 Dec 2025	13F
High Net Worth Advisory Group LLC	13F	Company	— class O/S missing	151,046	$1,539,161	—	31 Dec 2025	13F
AE Wealth Management LLC	13F	Company	— class O/S missing	138,157	$1,407,816	—	31 Dec 2025	13F
Rockefeller Capital Management L.P.	13F	Company	— class O/S missing	137,991	$1,406,130	—	31 Dec 2025	13F
Palogic Value Management, L.P.	13F	Company	— class O/S missing	131,250	$1,337,438	—	31 Dec 2025	13F
TRUIST FINANCIAL CORP	13F	Company	— class O/S missing	129,950	$1,324,190	—	31 Dec 2025	13F
PFG Investments, LLC	13F	Company	— class O/S missing	126,401	$1,288,021	—	31 Dec 2025	13F
HighPoint Advisor Group LLC	13F	Company	— class O/S missing	117,347	$1,195,768	—	31 Dec 2025	13F
Running Point Capital Advisors, LLC	13F	Company	— class O/S missing	116,659	$1,188,755	—	31 Dec 2025	13F
MFA Wealth Services	13F	Company	— class O/S missing	108,654	$1,107,187	—	31 Dec 2025	13F
Ellis Investment Partners, LLC	13F	Company	— class O/S missing	105,890	$1,079,025	—	31 Dec 2025	13F
AMERIPRISE FINANCIAL INC	13F	Company	— class O/S missing	97,742	$995,995	—	31 Dec 2025	13F
&PARTNERS	13F	Company	— class O/S missing	93,078	$948,463	—	31 Dec 2025	13F
Wakefield Asset Management LLLP	13F	Company	— class O/S missing	91,376	$931,122	—	31 Dec 2025	13F
ENVESTNET ASSET MANAGEMENT INC	13F	Company	— class O/S missing	82,298	$838,620	—	31 Dec 2025	13F
Cambridge Investment Research Advisors, Inc.	13F	Company	— class O/S missing	81,331	$829,000	—	31 Dec 2025	13F
J.W. COLE ADVISORS, INC.	13F	Company	— class O/S missing	80,007	$815,271	—	31 Dec 2025	13F
SMITH, MOORE & CO.	13F	Company	— class O/S missing	78,545	$800,370	—	31 Dec 2025	13F
Camelot Portfolios, LLC	13F	Company	— class O/S missing	73,084	$744,730	—	31 Dec 2025	13F
WESPAC Advisors, LLC	13F	Company	— class O/S missing	72,603	$739,825	—	31 Dec 2025	13F
Ausdal Financial Partners, Inc.	13F	Company	— class O/S missing	71,080	$724,309	—	31 Dec 2025	13F
Worthington Financial Partners, LLC	13F	Company	— class O/S missing	70,200	$715,341	—	31 Dec 2025	13F
Venture Visionary Partners LLC	13F	Company	— class O/S missing	70,170	$715,033	—	31 Dec 2025	13F
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.	13F	Company	— class O/S missing	65,058	$662,941	—	31 Dec 2025	13F
EQ WEALTH ADVISORS, LLC	13F	Company	— class O/S missing	63,646	$648,555	—	31 Dec 2025	13F
READYSTATE ASSET MANAGEMENT LP	13F	Company	— class O/S missing	58,460	$595,707	—	31 Dec 2025	13F
NewEdge Advisors, LLC	13F	Company	— class O/S missing	57,633	$587,275	—	31 Dec 2025	13F

Institutional Holders of NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM (NMZ) as of Q1 2026

As of 31 Mar 2026, NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - COM (NMZ) was held by 134 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 20,018,497 shares. The largest 10 holders included MORGAN STANLEY, GUGGENHEIM CAPITAL LLC, UBS Group AG, Hennion & Walsh Asset Management, Inc., RAYMOND JAMES FINANCIAL INC, WELLS FARGO & COMPANY/MN, LPL Financial LLC, VAN ECK ASSOCIATES CORP, Melone Private Wealth, LLC, and Cetera Investment Advisers. This page lists 134 institutional shareholders reporting positions in this security for the Q1 2026 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

129

Q1 2026 holders

134

Holder diff

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q1 2026 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.