MIO

Pioneer Municipal High Income Opportunities Fund
MIO

Overview Fund Trends Analyst Outlook Journalist POV
Delisted

MIO was delisted on the 22nd of August, 2025.

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7 hedge funds and large institutions have $22.8M invested in Pioneer Municipal High Income Opportunities Fund in 2021 Q3 according to their latest regulatory filings, with 7 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
7
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
–
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
–
Puts
–
Net Calls
Net Calls Change

Top Buyers

1
+$7.16M
2
+$7.03M
3
+$5.24M
4
VanEck Associates
VanEck Associates
New York
+$1.65M
5
UBS Group
UBS Group
Switzerland
+$1.06M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
1
$7.16M
2
$7.03M
3
$5.24M
4
$1.65M
5
$1.06M
6
$642K
7
$61K