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NMZ Insider Trading

Insider Ownership Percentage: N/A
Insider Buying (Last 12 Months): $196,133.96
Insider Selling (Last 12 Months): $0.00

Nuveen Municipal High Income Opportunity Fund Insider Trading History Chart

This chart shows the insider buying and selling history at Nuveen Municipal High Income Opportunity Fund by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Nuveen Municipal High Income Opportunity Fund Share Price & Price History

Current Price: $10.23
Price Change: ▼ Price Decrease of -0.129 (-1.25%)
As of 03/20/2026 04:59 PM ET

This chart shows the closing price history over time for NMZ up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Nuveen Municipal High Income Opportunity Fund Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/5/2026William A SiffermannVPBuy100$10.48$1,048.00914View SEC Filing Icon  
12/19/2025Of America Corp /De/ BankMajor ShareholderBuy1,000$10.32$10,320.001,000View SEC Filing Icon  
10/10/2025Of America Corp /De/ BankMajor ShareholderBuy6,440$10.56$68,006.406,440View SEC Filing Icon  
10/9/2025Of America Corp /De/ BankMajor ShareholderBuy190$10.62$2,017.80190View SEC Filing Icon  
9/17/2025Of America Corp /De/ BankMajor ShareholderBuy10,784$10.64$114,741.7610,784View SEC Filing Icon  
3/21/2025William A SiffermannVPBuy300$11.07$3,321.00610View SEC Filing Icon  
1/15/2025Of America Corp /De/ BankMajor ShareholderBuy6$10.79$64.746View SEC Filing Icon  
12/3/2024Of America Corp /De/ BankMajor ShareholderBuy75$11.54$865.5075View SEC Filing Icon  
10/26/2023Nathaniel T JonesVPBuy1,100$8.33$9,163.001,100View SEC Filing Icon  
10/25/2023Terence J. TothinsiderSell4,208$8.50$35,768.00View SEC Filing Icon  
8/10/2023Albin F MoschnerInsiderBuy4,100$10.38$42,558.005,600View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Nuveen Municipal High Income Opportunity Fund (NYSE:NMZ)

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at NMZ by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Nuveen Municipal High Income Opportunity Fund Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/17/2026Rockefeller Capital Management L.P.137,991$1.41M0.0%-7.3%0.000%Search for SEC Filing on Google Icon
3/5/2026Worthington Financial Partners LLC70,200$0.72M0.6%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC57,633$0.59M0.0%-20.9%0.000%Search for SEC Filing on Google Icon
2/18/2026Garton & Associates Financial Advisors LLC8,862$90K0.1%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd28,366$0.29M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026Readystate Asset Management LP58,460$0.60M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC1,816,855$18.51M0.1%+10.5%0.000%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC15,000$0.15M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers358,987$3.66M0.0%-10.7%0.000%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.210,652$2.15M0.0%-7.9%0.000%Search for SEC Filing on Google Icon
2/17/2026Running Point Capital Advisors LLC116,659$1.19M0.3%-1.1%0.000%Search for SEC Filing on Google Icon
2/17/2026&PARTNERS93,078$0.95M0.0%+63.9%0.000%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada267,856$2.73M0.0%-8.7%0.000%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC157,813$1.61M0.0%+74.0%0.000%Search for SEC Filing on Google Icon
2/16/2026FF Advisors LLC27,413$0.28M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/16/2026Landscape Capital Management L.L.C.65,058$0.66M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/16/2026Arax Advisory Partners31,210$0.32M0.0%-50.3%0.000%Search for SEC Filing on Google Icon
2/16/2026Arkos Global Advisors16,290$0.17M0.0%-47.3%0.000%Search for SEC Filing on Google Icon
2/13/2026Kestra Advisory Services LLC152,882$1.56M0.0%-13.0%0.000%Search for SEC Filing on Google Icon
2/13/2026Van ECK Associates Corp603,224$6.15M0.0%+33.1%0.000%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN849,487$8.66M0.0%-0.6%0.000%Search for SEC Filing on Google Icon
2/12/2026Advisors Asset Management Inc.167,745$1.71M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/12/2026Jane Street Group LLC259,389$2.64M0.0%+1,411.1%0.000%Search for SEC Filing on Google Icon
2/12/2026Commonwealth Equity Services LLC209,356$2.13M0.0%-9.3%0.000%Search for SEC Filing on Google Icon
2/12/2026StoneX Group Inc.34,622$0.35M0.0%+38.2%0.000%Search for SEC Filing on Google Icon
2/12/2026Marex Group plc27,100$0.28M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/12/2026Steward Partners Investment Advisory LLC9,184$94K0.0%+32.9%0.000%Search for SEC Filing on Google Icon
2/12/2026Wedbush Securities Inc.23,707$0.24M0.0%-22.2%0.000%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC731,023$7.45M0.0%+21.2%0.000%Search for SEC Filing on Google Icon
2/11/2026XML Financial LLC12,700$0.13M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/10/2026Blueline Advisors LLC11,278$0.12M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/6/2026Van Hulzen Asset Management LLC10,312$0.11M0.0%-34.1%0.000%Search for SEC Filing on Google Icon
2/6/2026Global Retirement Partners LLC6,779$69K0.0%+1,960.5%0.000%Search for SEC Filing on Google Icon
2/5/2026Everstar Asset Management LLC35,258$0.36M0.2%-9.7%0.000%Search for SEC Filing on Google Icon
2/5/2026Wakefield Asset Management LLLP91,376$0.93M0.3%+2.8%0.000%Search for SEC Filing on Google Icon
2/5/2026Allworth Financial LP6,000$61K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/3/2026GRIMES & Co WEALTH MANAGEMENT LLC13,767$0.14M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/3/2026MGO One Seven LLC27,437$0.28M0.0%-30.8%0.000%Search for SEC Filing on Google Icon
2/2/2026Wolverine Asset Management LLC23,586$0.24M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/2/2026Ellis Investment Partners LLC105,890$1.08M0.2%N/A0.000%Search for SEC Filing on Google Icon
2/2/2026Mutual Advisors LLC20,687$0.21M0.0%+5.8%0.000%Search for SEC Filing on Google Icon
2/2/2026EQ Wealth Advisors LLC63,646$0.65M0.4%+24.2%0.000%Search for SEC Filing on Google Icon
1/29/2026Comerica Bank21,189$0.22M0.0%+365.7%0.000%Search for SEC Filing on Google Icon
1/29/2026Ashton Thomas Private Wealth LLC22,087$0.23M0.0%+9.4%0.000%Search for SEC Filing on Google Icon
1/29/2026D.A. Davidson & CO.11,930$0.12M0.0%-21.2%0.000%Search for SEC Filing on Google Icon
1/29/2026Camelot Portfolios LLC73,084$0.75M0.5%-6.3%0.000%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG2,031,169$20.70M0.0%+3.7%0.000%Search for SEC Filing on Google Icon
1/26/2026PFG Investments LLC126,401$1.29M0.1%-28.2%0.000%Search for SEC Filing on Google Icon
1/23/2026High Net Worth Advisory Group LLC151,046$1.54M0.4%-34.3%0.000%Search for SEC Filing on Google Icon
1/23/2026Smith Moore & CO.78,545$0.80M0.1%-2.2%0.000%Search for SEC Filing on Google Icon
1/23/2026KG&L Capital Management LLC17,800$0.18M0.0%-5.3%0.000%Search for SEC Filing on Google Icon
1/22/2026Cliftonlarsonallen Wealth Advisors LLC38,418$0.39M0.0%-34.0%0.000%Search for SEC Filing on Google Icon
1/21/2026Cane Capital Partners LLC14,400$0.15M0.1%N/A0.000%Search for SEC Filing on Google Icon
1/15/2026MFA Wealth Services108,654$1.11M0.7%-3.6%0.000%Search for SEC Filing on Google Icon
1/14/2026Hennion & Walsh Asset Management Inc.1,140,557$11.62M0.4%+57.5%0.000%Search for SEC Filing on Google Icon
1/14/2026WESPAC Advisors LLC72,603$0.74M0.4%+3.3%0.000%Search for SEC Filing on Google Icon
1/14/2026Spire Wealth Management10,041$0.10M0.0%-16.2%0.000%Search for SEC Filing on Google Icon
1/12/2026Traynor Capital Management Inc.54,317$0.55M0.0%-27.7%0.000%Search for SEC Filing on Google Icon
1/8/2026Gridiron Partners LLC434,778$4.43M2.5%-73.6%0.000%Search for SEC Filing on Google Icon
1/7/2026Melone Private Wealth LLC656,100$6.69M2.8%+10.5%0.000%Search for SEC Filing on Google Icon
1/5/2026Noble Wealth Management PBC34,967$0.36M0.2%+77.8%0.000%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC6,965$74K0.0%N/A0.000%Search for SEC Filing on Google Icon
11/17/2025Camelot Portfolios LLC78,013$0.83M0.5%+5.3%0.000%Search for SEC Filing on Google Icon
11/17/2025Kestra Private Wealth Services LLC16,907$0.18M0.0%+21.9%0.000%Search for SEC Filing on Google Icon
11/17/2025NewEdge Advisors LLC72,861$0.77M0.0%-8.3%0.000%Search for SEC Filing on Google Icon
11/17/2025Williams Jones Wealth Management LLC.34,963$0.37M0.0%N/A0.000%Search for SEC Filing on Google Icon
11/17/2025Northwestern Mutual Wealth Management Co.239,326$2.53M0.0%+246.4%0.000%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC90,676$0.96M0.0%-1.6%0.000%Search for SEC Filing on Google Icon
11/17/2025MFA Wealth Services112,740$1.19M0.8%+2.1%0.000%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE546,444$5.79M0.0%-3.4%0.000%Search for SEC Filing on Google Icon
11/17/2025Arkos Global Advisors30,890$0.33M0.0%-10.7%0.000%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.1,125,161$11.92M0.0%+9.8%0.000%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank4,550$48K0.0%+102.2%0.000%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG1,958,300$20.74M0.0%+10.4%0.000%Search for SEC Filing on Google Icon
11/13/2025Wakefield Asset Management LLLP88,868$0.94M0.3%+1.2%0.000%Search for SEC Filing on Google Icon
11/13/2025Van ECK Associates Corp453,322$4.80M0.0%+10.2%0.000%Search for SEC Filing on Google Icon
11/13/2025Private Advisor Group LLC49,164$0.52M0.0%+43.2%0.000%Search for SEC Filing on Google Icon
11/12/2025Smith Moore & CO.80,293$0.85M0.1%+14.9%0.000%Search for SEC Filing on Google Icon
11/12/2025AlphaCore Capital LLC11,573$0.12M0.0%-9.8%0.000%Search for SEC Filing on Google Icon
11/7/2025Fifth Third Bancorp8,010$85K0.0%N/A0.000%Search for SEC Filing on Google Icon
11/6/2025Oppenheimer & Co. Inc.20,132$0.21M0.0%+25.4%0.000%Search for SEC Filing on Google Icon
11/5/2025J.W. Cole Advisors Inc.79,400$0.84M0.0%-2.1%0.000%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.68,581$0.73M0.0%-15.6%0.000%Search for SEC Filing on Google Icon
11/4/2025Ashton Thomas Private Wealth LLC20,187$0.21M0.0%N/A0.000%Search for SEC Filing on Google Icon
11/4/2025Guerra Advisors Inc2,352$25K0.0%N/A0.000%Search for SEC Filing on Google Icon
11/4/2025Mutual Advisors LLC19,560$0.21M0.0%+13.0%0.000%Search for SEC Filing on Google Icon
11/4/2025Thrivent Financial for Lutherans12,530$0.13M0.0%N/A0.000%Search for SEC Filing on Google Icon
11/3/2025AE Wealth Management LLC139,108$1.47M0.0%+6.5%0.000%Search for SEC Filing on Google Icon
11/3/2025Traynor Capital Management Inc.75,177$0.80M0.0%-11.3%0.000%Search for SEC Filing on Google Icon
11/3/2025Truist Financial Corp130,688$1.38M0.0%-2.3%0.000%Search for SEC Filing on Google Icon
10/31/2025B. Riley Wealth Advisors Inc.11,968$0.13M0.0%-13.2%0.000%Search for SEC Filing on Google Icon
10/31/2025PFG Investments LLC176,156$1.87M0.1%-6.8%0.000%Search for SEC Filing on Google Icon
10/29/2025Platform Technology Partners69,503$0.74M0.2%+19.1%0.000%Search for SEC Filing on Google Icon
10/29/2025High Net Worth Advisory Group LLC229,739$2.43M0.6%+1.9%0.000%Search for SEC Filing on Google Icon
10/28/2025Running Point Capital Advisors LLC118,010$1.25M0.3%-16.4%0.000%Search for SEC Filing on Google Icon
10/28/2025EQ Wealth Advisors LLC51,237$0.54M0.4%+329.9%0.000%Search for SEC Filing on Google Icon
10/27/2025Plan Group Financial LLC25,114$0.27M0.1%+22.9%0.000%Search for SEC Filing on Google Icon
10/24/2025MGO One Seven LLC39,674$0.42M0.0%+2.8%0.000%Search for SEC Filing on Google Icon
10/23/2025Capital Investment Advisors LLC31,156$0.33M0.0%-4.6%0.000%Search for SEC Filing on Google Icon
10/22/2025Hennion & Walsh Asset Management Inc.724,220$7.67M0.3%-3.6%0.000%Search for SEC Filing on Google Icon
Data available starting January 2016

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Nuveen Municipal High Income Opportunity Fund logo
Nuveen Municipal High Income Opportunity Fund is a closed-end fixed income mutual fund launched by Nuveen Investments Inc. The fund is co-managed by Nuveen Fund Advisors LLC and Nuveen Asset Management, LLC. It invests in the fixed income markets of the United States. The fund primarily invests in investment grade tax-exempt municipal securities. The fund was formerly known as Nuveen Municipal High Yield Opportunity Fund. Nuveen Municipal High Income Opportunity Fund was founded in November 19, 2003 and is based in the United States.
Read More on Nuveen Municipal High Income Opportunity Fund

Today's Range

Now: $10.23
Low: $10.20
High: $10.33

50 Day Range

MA: $10.50
Low: $10.23
High: $10.72

52 Week Range

Now: $10.23
Low: $9.36
High: $11.12

Volume

452,981 shs

Average Volume

442,557 shs

Market Capitalization

N/A

P/E Ratio

N/A

Dividend Yield

0.06%

Beta

N/A

Who are the company insiders with the largest holdings of Nuveen Municipal High Income Opportunity Fund?

Nuveen Municipal High Income Opportunity Fund's top insider investors include:
  1. Of America Corp /De/ Bank (Major Shareholder)
  2. William A Siffermann (VP)
Learn More about top insider investors at Nuveen Municipal High Income Opportunity Fund.

Who are the major institutional investors of Nuveen Municipal High Income Opportunity Fund?

Nuveen Municipal High Income Opportunity Fund's top institutional investors include:
  1. UBS Group AG — 0.00%
  2. Guggenheim Capital LLC — 0.00%
  3. Hennion & Walsh Asset Management Inc. — 0.00%
  4. Wells Fargo & Company MN — 0.00%
  5. LPL Financial LLC — 0.00%
  6. Melone Private Wealth LLC — 0.00%
Learn More about top institutional investors of Nuveen Municipal High Income Opportunity Fund stock.

Which major investors are selling Nuveen Municipal High Income Opportunity Fund stock?

During the previous quarter, NMZ stock was sold by these institutional investors:
  1. Gridiron Partners LLC
  2. High Net Worth Advisory Group LLC
  3. PFG Investments LLC
  4. Cetera Investment Advisers
  5. Arax Advisory Partners
  6. Royal Bank of Canada
  7. Kestra Advisory Services LLC
  8. Commonwealth Equity Services LLC

Which major investors are buying Nuveen Municipal High Income Opportunity Fund stock?

Within the last quarter, NMZ stock was purchased by institutional investors including:
  1. Hennion & Walsh Asset Management Inc.
  2. Jane Street Group LLC
  3. Guggenheim Capital LLC
  4. Advisors Asset Management Inc.
  5. Van ECK Associates Corp
  6. LPL Financial LLC
  7. Ellis Investment Partners LLC
  8. UBS Group AG
During the last year, these company insiders have bought Nuveen Municipal High Income Opportunity Fund stock:
  1. Of America Corp /De/ Bank (Major Shareholder)
  2. William A Siffermann (VP)
Learn More investors buying Nuveen Municipal High Income Opportunity Fund stock.