Skip to main content

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.

Q2 2023 vs. Q1 2023

How the institutions holding Pioneer Municipal High Income Opportunities Fund, Inc. changed between Q1 2023 and Q2 2023.

All holders in Q2 2023All holders in Q1 2023

13F holders of MIO: Q1 2023 compared with Q2 2023
MeasureQ1 2023Q2 2023Change
Holders2524−1
Shares5.93M6.49M+560.3K (+9.4%)
Value$64.8M$70.0M+$5.21M (+8.0%)

New holders (4)

Institutions that held Pioneer Municipal High Income Opportunities Fund, Inc. at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to MIO in Q2 2023
InstitutionSharesValue% of portfolio
Robinson Capital Management, LLC175,767$1.89M0.84%
Rivernorth Capital Management, LLC66,086$707.8K0.04%
Bank of New York Mellon Corp23,659$254.6K0.00%
CWM, LLC67$1.00K0.00%

Sold out (5)

Institutions that held Pioneer Municipal High Income Opportunities Fund, Inc. at the end of Q1 2023 and filed for Q2 2023 without it.

Institutions that sold out of MIO in Q2 2023
InstitutionShares, Q1 2023Value, Q1 2023
LPL Financial LLC12,524$136.8K
Single Point Partners, LLC10,225$112.0K
Royal Bank of Canada2,811$30.0K
BDO Wealth Advisors, LLC368$4.02K
JPMorgan Chase & Co47$1.00K