MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

26 hedge funds and large institutions have $57.4M invested in Pioneer Municipal High Income Opportunities Fund in 2022 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 13 increasing their positions, 6 reducing their positions, and 0 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
26
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
$12.4M
2
$11.4M
3
$9.55M
4
$6.31M
5
$3.58M
6
$3.52M
7
$2.09M
8
$1.42M
9
$1.2M
10
$1.16M
11
$1.12M
12
$805K
13
$666K
14
$545K
15
$409K
16
$320K
17
$249K
18
$186K
19
$147K
20
$121K
21
$63K
22
$62K
23
$60K
24
$36K
25
$4K