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.

Q3 2025 vs. Q2 2025

How the institutions holding Pioneer Municipal High Income Opportunities Fund, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of MIO: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders311−30
Shares9.19M1.06K−9.19M (−100.0%)
Value$108.4M$12.1K−$108.4M (−100.0%)

New holders (0)

Institutions that held Pioneer Municipal High Income Opportunities Fund, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

None.

Sold out (30)

Institutions that held Pioneer Municipal High Income Opportunities Fund, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.