NMZ Insider Trading

Insider Ownership Percentage: N/A
Insider Buying (Last 12 Months): $81,882.37
Insider Selling (Last 12 Months): $30,545.10

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: $9.40
Price Change: Price Decrease of -0.135 (-1.42%)
As of 09/18/2026 03:59 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
8/4/2026Of America Corp /De/ BankMajor ShareholderBuy3$10.18$30.543View SEC Filing Icon  
8/3/2026Of America Corp /De/ BankMajor ShareholderBuy36$10.21$367.5636View SEC Filing Icon  
8/3/2026Of America Corp /De/ BankMajor ShareholderSell31$10.26$318.065View SEC Filing Icon  
7/31/2026Of America Corp /De/ BankMajor ShareholderSell5$10.32$51.60View SEC Filing Icon  
7/24/2026Of America Corp /De/ BankMajor ShareholderBuy9$10.23$92.079View SEC Filing Icon  
6/22/2026Albin F MoschnerInsiderSell1,812$10.37$18,790.443,788View SEC Filing Icon  
6/22/2026Albin F MoschnerInsiderSell1,100$10.35$11,385.00736View SEC Filing Icon  
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  
See Full Table

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
9/11/2026Smith Chas P & Associates PA Cpas14,700$0.16M0.0%+24.6%0.000%Search for SEC Filing on Google Icon
9/9/2026Palogic Value Management L.P.135,750$1.44M0.3%+1.9%0.000%Search for SEC Filing on Google Icon
9/9/2026Integrated Wealth Concepts LLC12,728$0.14M0.0%N/A0.000%Search for SEC Filing on Google Icon
9/9/2026NewEdge Advisors LLC165,408$1.75M0.0%+207.9%0.000%Search for SEC Filing on Google Icon
9/9/2026Baird Financial Group Inc.217,064$2.29M0.0%+37.8%0.000%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP19,171$0.20M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/26/2026HighTower Advisors LLC265,084$2.80M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/23/2026Melone Private Wealth LLC846,287$8.95M2.8%+25.8%0.000%Search for SEC Filing on Google Icon
8/22/2026Highland Investment Advisors LLC26,336$0.28M0.1%N/A0.000%Search for SEC Filing on Google Icon
8/22/2026Concurrent Investment Advisors LLC13,268$0.14M0.0%+10.9%0.000%Search for SEC Filing on Google Icon
8/21/2026High Net Worth Advisory Group LLC136,345$1.44M0.3%-2.8%0.000%Search for SEC Filing on Google Icon
8/21/2026Smallwood Wealth Investment Management LLC6,486$69K0.0%N/A0.000%Search for SEC Filing on Google Icon
8/21/2026XML Financial LLC23,726$0.25M0.0%+86.8%0.000%Search for SEC Filing on Google Icon
8/21/2026Secure Asset Management LLC42,190$0.45M0.1%+86.8%0.000%Search for SEC Filing on Google Icon
8/20/2026Camelot Portfolios LLC67,263$0.71M0.5%-7.7%0.000%Search for SEC Filing on Google Icon
8/20/2026Susquehanna International Group LLP41,492$0.44M0.0%+55.2%0.000%Search for SEC Filing on Google Icon
8/20/2026Rivernorth Capital Management LLC1,049,891$11.10M0.5%N/A0.000%Search for SEC Filing on Google Icon
8/20/2026Two Sigma Securities LLC13,087$0.14M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/20/2026Northwestern Mutual Wealth Management Co.516,095$5.46M0.0%+51.5%0.000%Search for SEC Filing on Google Icon
8/20/2026Wedbush Securities Inc.12,410$0.13M0.0%-57.0%0.000%Search for SEC Filing on Google Icon
8/19/2026Trustmark Bank Trust Department11,000$0.12M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/19/2026Van ECK Associates Corp1,056,439$11.17M0.0%+56.7%0.000%Search for SEC Filing on Google Icon
8/19/2026Kingsview Wealth Management LLC124,142$1.31M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/18/2026Equitable Holdings Inc.170,091$1.80M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/17/2026Corient Private Wealth LP19,171$0.20M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/17/2026Palogic Value Management L.P.135,750$1.44M0.5%+1.9%0.000%Search for SEC Filing on Google Icon
8/17/2026Ausdal Financial Partners Inc.88,855$0.94M0.0%+4.9%0.000%Search for SEC Filing on Google Icon
8/17/2026Bank of America Corp DE1,112,841$11.76M0.0%+185.9%0.000%Search for SEC Filing on Google Icon
8/1/2026HUB Investment Partners LLC26,213$0.28M0.0%N/A0.000%Search for SEC Filing on Google Icon
8/1/2026MGO One Seven LLC28,620$0.30M0.0%+4.2%0.000%Search for SEC Filing on Google Icon
7/31/2026BCS Private Wealth Management Inc.134,954$1.44M0.4%N/A0.000%Search for SEC Filing on Google Icon
7/31/2026Kennedy Investment Group Inc.10,173$0.11M0.0%N/A0.000%Search for SEC Filing on Google Icon
7/31/2026Aviance Capital Partners LLC31,123$0.33M0.0%N/A0.000%Search for SEC Filing on Google Icon
7/30/2026Kercheville Advisors LLC29,364$0.31M0.1%+67.0%0.000%Search for SEC Filing on Google Icon
7/30/2026High Net Worth Advisory Group LLC136,345$1.44M0.3%-2.8%0.000%Search for SEC Filing on Google Icon
7/29/2026Ashton Thomas Private Wealth LLC34,487$0.37M0.0%+30.2%0.000%Search for SEC Filing on Google Icon
7/28/2026Ibex Wealth Advisors37,521$0.40M0.0%+11.2%0.000%Search for SEC Filing on Google Icon
7/28/2026Krilogy Financial LLC22,434$0.24M0.0%N/A0.000%Search for SEC Filing on Google Icon
7/27/2026Blueline Advisors LLC13,593$0.14M0.1%+45.9%0.000%Search for SEC Filing on Google Icon
7/27/2026Cambridge Investment Research Advisors Inc.143,340$1.52M0.0%+74.9%0.000%Search for SEC Filing on Google Icon
7/12/2026Walker Asset Management LLC12,462$0.13M0.1%N/A0.000%Search for SEC Filing on Google Icon
7/10/2026GenWealth Group Inc.10,957$0.12M0.0%N/A0.000%Search for SEC Filing on Google Icon
7/10/2026Wealthcare Advisory Partners LLC62,179$0.66M0.0%N/A0.000%Search for SEC Filing on Google Icon
7/9/2026Key Client Fiduciary Advisors LLC11,050$0.12M0.0%N/A0.000%Search for SEC Filing on Google Icon
7/9/2026Melone Private Wealth LLC846,287$8.95M3.4%+25.8%0.000%Search for SEC Filing on Google Icon
7/9/2026Allied Private Wealth LLC3,795$40K0.0%N/A0.000%Search for SEC Filing on Google Icon
7/9/2026Hennion & Walsh Asset Management Inc.2,217,036$23.43M0.7%+35.3%0.000%Search for SEC Filing on Google Icon
7/9/2026Breakwater Capital Group110,775$1.17M0.1%N/A0.000%Search for SEC Filing on Google Icon
7/8/2026Green Ridge Wealth Planning LLC13,924$0.15M0.1%N/A0.000%Search for SEC Filing on Google Icon
7/7/2026David J Yvars Group15,508$0.16M0.1%N/A0.000%Search for SEC Filing on Google Icon
7/7/2026Mirador Capital Partners LP25,438$0.27M0.0%N/A0.000%Search for SEC Filing on Google Icon
7/7/2026Dynamic Advisor Solutions LLC20,299$0.22M0.0%+33.8%0.000%Search for SEC Filing on Google Icon
7/7/2026Value Investment Professionals LLC12,016$0.13M0.1%N/A0.000%Search for SEC Filing on Google Icon
6/3/2026NewEdge Advisors LLC53,721$0.56M0.0%-6.8%0.000%Search for SEC Filing on Google Icon
5/19/2026NewEdge Advisors LLC41,558$0.43M0.0%-27.9%0.000%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE389,199$4.04M0.0%-8.0%0.000%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada277,517$2.88M0.0%+3.6%0.000%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers397,625$4.13M0.0%+10.8%0.000%Search for SEC Filing on Google Icon
5/6/2026Independent Financial Group LLC10,063$0.10M0.0%N/A0.000%Search for SEC Filing on Google Icon
5/5/2026Geneos Wealth Management Inc.3,512$36K0.0%N/A0.000%Search for SEC Filing on Google Icon
5/5/2026Sigma Planning Corp10,601$0.11M0.0%N/A0.000%Search for SEC Filing on Google Icon
5/2/2026Diversify Wealth Management LLC15,000$0.15M0.0%+50.0%0.000%Search for SEC Filing on Google Icon
5/1/2026Fifth Third Bancorp23,089$0.24M0.0%N/A0.000%Search for SEC Filing on Google Icon
5/1/2026EQ Wealth Advisors LLC65,886$0.68M0.4%+3.5%0.000%Search for SEC Filing on Google Icon
4/30/2026Kestra Advisory Services LLC171,598$1.78M0.0%+12.2%0.000%Search for SEC Filing on Google Icon
4/27/2026PFG Investments LLC127,716$1.33M0.1%+1.0%0.000%Search for SEC Filing on Google Icon
4/27/2026Private Advisor Group LLC54,264$0.56M0.0%+4.9%0.000%Search for SEC Filing on Google Icon
4/27/2026Platform Technology Partners173,235$1.80M0.3%+6.1%0.000%Search for SEC Filing on Google Icon
4/22/2026Janney Montgomery Scott LLC36,733$0.38M0.0%+10.1%0.000%Search for SEC Filing on Google Icon
4/17/2026Signal Advisors Wealth LLC22,698$0.24M0.0%N/A0.000%Search for SEC Filing on Google Icon
4/17/2026Outlook Wealth Advisors LLC16,977$0.18M0.0%N/A0.000%Search for SEC Filing on Google Icon
4/17/2026High Net Worth Advisory Group LLC140,264$1.46M0.3%-7.1%0.000%Search for SEC Filing on Google Icon
4/17/2026Everstar Asset Management LLC33,474$0.35M0.2%-5.1%0.000%Search for SEC Filing on Google Icon
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
Data available starting January 2016

See Full Table
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: $9.40
Low: $9.34
High: $9.52

50 Day Range

MA: $10.05
Low: $9.26
High: $10.46

52 Week Range

Now: $9.40
Low: $9.24
High: $10.77

Volume

907,406 shs

Average Volume

606,025 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. Albin F Moschner (Insider)
  3. Terence J Toth (Insider)
  4. Nathaniel T Jones (VP)
  5. William A Siffermann (VP)
  6. John V Miller (Portfolio Manager)
  7. Nuveen Fund Advisors, Llc (Insider)
  8. Scott R Romans (Portfolio Manager)
  9. Terence J Toth (Insider)
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. Hennion & Walsh Asset Management Inc. — 0.00%
  2. Bank of America Corp DE — 0.00%
  3. Van ECK Associates Corp — 0.00%
  4. Rivernorth Capital Management LLC — 0.00%
  5. Melone Private Wealth 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. Wedbush Securities Inc.
  2. Camelot Portfolios LLC
  3. High Net Worth Advisory Group LLC
  4. High Net Worth Advisory Group LLC
Within the last year, company insiders that have sold Nuveen Municipal High Income Opportunity Fund company stock include:
  1. Albin F Moschner (Insider)
  2. Of America Corp /De/ Bank (Major Shareholder)
Learn More investors selling Nuveen Municipal High Income Opportunity Fund stock.

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

During the last quarter, NMZ stock was purchased by institutional investors including:
  1. Rivernorth Capital Management LLC
  2. Bank of America Corp DE
  3. Hennion & Walsh Asset Management Inc.
  4. Van ECK Associates Corp
  5. HighTower Advisors LLC
  6. Northwestern Mutual Wealth Management Co.
  7. Melone Private Wealth LLC
  8. Melone Private Wealth LLC
In 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.