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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.

Q3 2021 vs. Q2 2021

How the institutions holding Pioneer Municipal High Income Opportunities Fund, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of MIO: Q2 2021 compared with Q3 2021
MeasureQ2 2021Q3 2021Change
Holders07+7
Shares01.12M+1.12M
Value$0$22.8M+$22.8M

New holders (7)

Institutions that held Pioneer Municipal High Income Opportunities Fund, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to MIO in Q3 2021
InstitutionSharesValue% of portfolio
Rivernorth Capital Management, LLC351,289$7.16M0.38%
Morgan Stanley344,964$7.03M0.00%
Wells Fargo & Company257,000$5.24M0.00%
Van Eck Associates Corp80,968$1.65M0.00%
UBS Group AG51,788$1.06M0.00%
Millennium Management LLC31,502$642.0K0.00%
Signaturefd, LLC3,000$61.0K0.00%

Sold out (0)

Institutions that held Pioneer Municipal High Income Opportunities Fund, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

None.