MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

31 hedge funds and large institutions have $109M invested in Pioneer Municipal High Income Opportunities Fund in 2024 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 13 increasing their positions, 10 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
31
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
$30M
2
$24.7M
3
$17M
4
$9.38M
5
$7.51M
6
$5.19M
7
$4.63M
8
$2.74M
9
$1.45M
10
$987K
11
$698K
12
$540K
13
$508K
14
$448K
15
$420K
16
$415K
17
$380K
18
$344K
19
$319K
20
$303K
21
$219K
22
$200K
23
$172K
24
$167K
25
$119K