Pioneer Municipal High Income Opportunities Fund (MIO) Institutional Ownership $12.02 +0.08 (+0.63%) As of 02:48 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Share Share Ownership Stock AnalysisChartDividendFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrends Institutional Ownership Changes (13F Filings) for Pioneer Municipal High Income Opportunities Fund (NYSE:MIO)Number ofInstitutional Buyers(last 12 months)8TotalInstitutional Inflows(last 12 months)$11.53MNumber ofInstitutional Sellers(last 12 months)9TotalInstitutional Outflows(last 12 months)$6.31M Get MIO Insider Trade Alerts Want to know when executives and insiders are buying or selling Pioneer Municipal High Income Opportunities Fund stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data MIO Institutional Buying and Selling by Quarter Pioneer Municipal High Income Opportunities Fund Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails1/17/2025 Avior Wealth Management LLC7,583$90K0.0%-13.6%0.000% 12/3/2024Rivernorth Capital Management LLC1,132,947$14.05M0.7%+49.9%0.000% 11/25/2024Sanctuary Advisors LLC34,261$413K0.0%-2.5%0.000% 11/15/2024Rivernorth Capital Management LLC1,118,669$13.87M0.7%+48.0%0.000% 11/7/2024Pathstone Holdings LLC637,759$7.91M0.0%-3.1%0.000% 10/29/2024Van ECK Associates Corp119,637$1.45M0.0%-2.4%0.000% 9/5/2024Sanctuary Advisors LLC35,122$388K0.0%N/A0.000% 8/14/2024Whitebox Advisors LLC114,612$1.34M0.0%+157.0%0.000% 8/9/2024City of London Investment Management Co. Ltd.113,993$1.33M0.1%-71.0%0.000% 8/5/2024Blue Bell Private Wealth Management LLC24,065$280K0.1%+82.9%0.000% 7/31/2024Van ECK Associates Corp122,518$1.43M0.0%-8.2%0.000% 7/30/2024WMG Financial Advisors LLC10,047$117K0.1%N/A0.000% 7/26/2024Bank of New York Mellon Corp15,318$178K0.0%-67.8%0.000% 5/16/2024Prudent Investors Network Inc.10,337$117K0.0%N/A0.000% 5/15/2024Whitebox Advisors LLC44,590$504K0.0%N/A0.000% 5/14/2024Robinson Capital Management LLC132,742$1.46M0.5%-21.2%0.000% 5/10/2024City of London Investment Management Co. Ltd.392,511$4.44M0.4%-13.4%0.000% 5/1/2024Matisse Capital21,414$242K0.1%-82.4%0.000% 4/30/2024Fountainhead AM LLC28,292$320K0.1%-6.0%0.000% 4/24/2024Blue Bell Private Wealth Management LLC13,159$149K0.0%+1,362.1%0.000% 4/15/2024Kingswood Wealth Advisors LLC27,835$315K0.0%+62.0%0.000% 3/27/2024Nomura Holdings Inc.21,250$225K0.0%N/A0.000% (Data available from 1/1/2016 forward) MIO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of MIO shares? During the previous two years, 16 institutional investors and hedge funds held shares of Pioneer Municipal High Income Opportunities Fund. The most heavily invested institutionals were Rivernorth Capital Management LLC ($14.05M), Pathstone Holdings LLC ($7.91M), Robinson Capital Management LLC ($1.46M), Van ECK Associates Corp ($1.45M), Whitebox Advisors LLC ($1.34M), City of London Investment Management Co. Ltd. ($1.33M), and Sanctuary Advisors LLC ($413K).Learn more on MIO's institutional investors. Which institutional investors have been buying Pioneer Municipal High Income Opportunities Fund stock? The following institutional investors have purchased Pioneer Municipal High Income Opportunities Fund stock in the last 24 months: Rivernorth Capital Management LLC ($740.21K), Whitebox Advisors LLC ($114.61K), Sanctuary Advisors LLC ($35.12K), Blue Bell Private Wealth Management LLC ($23.17K), Nomura Holdings Inc. ($21.25K), Kingswood Wealth Advisors LLC ($10.65K), and Prudent Investors Network Inc. ($10.34K). How much institutional buying is happening at Pioneer Municipal High Income Opportunities Fund? Institutional investors have bought a total of 965,389 shares in the last 24 months. This purchase volume represents approximately $11.53M in transactions. Which Pioneer Municipal High Income Opportunities Fund major shareholders have been selling company stock? Of the 9 institutional investors that sold Pioneer Municipal High Income Opportunities Fund stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: City of London Investment Management Co. Ltd. ($339.05K), Matisse Capital ($100.14K), Robinson Capital Management LLC ($35.80K), Bank of New York Mellon Corp ($32.32K), Pathstone Holdings LLC ($20.57K), Van ECK Associates Corp ($13.86K), and Fountainhead AM LLC ($1.79K). How much institutional selling is happening at Pioneer Municipal High Income Opportunities Fund? Institutional investors have sold a total of 545,585 shares in the last 24 months. This volume of shares sold represents approximately $6.31M in transactions. 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