MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

33 hedge funds and large institutions have $86.8M invested in Pioneer Municipal High Income Opportunities Fund in 2023 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 15 increasing their positions, 2 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
33
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
Name Holding Trade Value Shares
Change
Change in
Stake
1
$20.5M
2
$19.5M
3
$17M
4
$6.99M
5
$4.79M
6
$4.79M
7
$2.88M
8
$1.78M
9
$1.38M
10
$1.29M
11
$1.28M
12
$1.08M
13
$568K
14
$379K
15
$370K
16
$318K
17
$241K
18
$225K
19
$182K
20
$178K
21
$161K
22
$161K
23
$143K
24
$131K
25
$128K