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Pioneer Municipal High Income Opportunities Fund, Inc.

MIODelisted Aug 27, 2025

Pioneer Municipal High Income Opportunities Fund, Inc. was delisted on Aug 27, 2025; its insiders filed their last Form 4 on Sep 2, 2025; 31 institutions reported holding it in 13F filings for Q2 2025, worth $108.4M in total; no superinvestor held it.

13F holders, Q2 2024

Institutional positions in Pioneer Municipal High Income Opportunities Fund, Inc. as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
32
+1 vs. Q1 2024
Shares held
9.13M
+1.67M (+22.4%) vs. Q1 2024
Total value
$106.4M
+$22.1M (+26.2%) vs. Q1 2024
New holders
8
11 more added
Sold out
7
9 more reduced

Compare with Q1 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MIO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2024: 32 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 7 institutionsQ4 2021: 23 institutionsQ1 2022: 24 institutionsQ2 2022: 26 institutionsQ3 2022: 25 institutionsQ4 2022: 26 institutionsQ1 2023: 25 institutionsQ2 2023: 24 institutionsQ3 2023: 29 institutionsQ4 2023: 33 institutionsQ1 2024: 31 institutionsQ2 2024: 32 institutionsQ3 2024: 29 institutionsQ4 2024: 31 institutionsQ1 2025: 34 institutionsQ2 2025: 31 institutionsQ3 2025: 1 institutionQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ2 2024: $106.4M
Q1 2021: $0Q2 2021: $0Q3 2021: $22.8MQ4 2021: $71.4MQ1 2022: $63.4MQ2 2022: $57.4MQ3 2022: $49.5MQ4 2022: $60.4MQ1 2023: $64.8MQ2 2023: $70.0MQ3 2023: $67.8MQ4 2023: $76.5MQ1 2024: $84.3MQ2 2024: $106.4MQ3 2024: $102.7MQ4 2024: $109.1MQ1 2025: $109.3MQ2 2025: $108.4MQ3 2025: $12.1KQ4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding MIO and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20251$12.1K
Q2 202531$108.4M
Q1 202534$109.3M
Q4 202431$109.1M
Q3 202429$102.7M
Q2 202432$106.4M
Q1 202431$84.3M
Q4 202333$76.5M
Q3 202329$67.8M
Q2 202324$70.0M
Q1 202325$64.8M
Q4 202226$60.4M
Q3 202225$49.5M
Q2 202226$57.4M
Q1 202224$63.4M
Q4 202123$71.4M
Q3 20217$22.8M
Q2 20210$0
Q1 20210$0

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding Pioneer Municipal High Income Opportunities Fund, Inc.; share changes are against Q1 2024.

Institutions holding MIO in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Sit Investment Associates Inc2,292,354$26.7M0.61%+168,347+7.9%Added
Saba Capital Management, L.P.1,738,506$20.3M0.45%+12,527+0.7%Added
Atlas Wealth LLC1,116,850$13.1M2.03%+1,116,850New
Morgan Stanley893,378$10.4M0.00%−48,654−5.2%Reduced
Rivernorth Capital Management, LLC755,705$8.80M0.42%+755,705New
Pathstone Holdings, LLC658,331$7.67M0.03%−8,735−1.3%Reduced
Wells Fargo & Company420,526$4.90M0.00%−18,124−4.1%Reduced
Guggenheim Capital LLC346,693$4.04M0.03%+138,089+66.2%Added
Almitas Capital LLC138,868$1.62M0.67%00.0%Unchanged
Van Eck Associates Corp122,518$1.43M0.00%−10,975−8.2%Reduced
Whitebox Advisors LLC114,612$1.34M0.05%+70,022+157.0%Added
City of London Investment Management Co Ltd113,993$1.33M0.11%−278,518−71.0%Reduced
Royal Bank of Canada105,000$1.22M0.00%+105,000New
Sanctuary Advisors, LLC35,122$388.4K0.00%+35,122New
UBS Group AG30,706$357.7K0.00%+3,997+15.0%Added
Fountainhead AM, LLC28,531$332.4K0.08%+239+0.8%Added
Kingswood Wealth Advisors, LLC27,835$324.3K0.03%00.0%Unchanged
Blue Bell Private Wealth Management, LLC24,065$280.4K0.06%+10,906+82.9%Added
Invesco Ltd.19,851$231.3K0.00%+19,851New
Nomura Holdings Inc17,432$203.1K0.00%+4,900+39.1%Added
Melfa Wealth Management, LLC16,850$196.3K0.14%00.0%Unchanged
Susquehanna International Group, LLP16,737$195.0K0.00%−12,129−42.0%Reduced
Modern Wealth Management, LLC15,705$183.0K0.01%+15,705New
Bank of New York Mellon Corp15,318$178.5K0.00%−32,321−67.8%Reduced
Wiley Bros.-Aintree Capital, LLC15,049$175.3K0.01%00.0%Unchanged
LPL Financial LLC12,774$148.8K0.00%+227+1.8%Added
WMG Financial Advisors, LLC10,047$117.0K0.06%+10,047New
Signaturefd, LLC9,814$114.3K0.00%+129+1.3%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC8,769$102.2K0.00%−105−1.2%Reduced
Steward Partners Investment Advisory, LLC8,429$98.2K0.00%+900+12.0%Added
Comerica Bank3,170$36.9K0.00%−306−8.8%Reduced
Advisor Group Holdings, Inc.742$8.64K0.00%+742New
1607 Capital Partners, LLC0$00.00%−163,047−100.0%Sold out
Robinson Capital Management, LLC0$00.00%−132,742−100.0%Sold out
RMB Capital Management, LLC0$00.00%−35,000−100.0%Sold out
Catalina Capital Group, LLC0$00.00%−22,785−100.0%Sold out
Matisse Capital0$00.00%−21,414−100.0%Sold out
Prudent Investors Network0$00.00%−10,337−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−600−100.0%Sold out