MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

31 hedge funds and large institutions have $108M invested in Pioneer Municipal High Income Opportunities Fund in 2025 Q2 according to their latest regulatory filings, with 9 funds opening new positions, 11 increasing their positions, 9 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
31
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
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
$30.3M
2
$25.5M
3
$9.33M
4
$8.88M
5
$6.93M
6
$5.86M
7
$4.82M
8
$4.14M
9
$2.98M
10
$1.62M
11
$1.24M
12
$1.22M
13
$953K
14
$948K
15
$698K
16
$684K
17
$479K
18
$278K
19
$244K
20
$219K
21
$203K
22
$199K
23
$126K
24
$122K
25
$118K