MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

32 hedge funds and large institutions have $106M invested in Pioneer Municipal High Income Opportunities Fund in 2024 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 11 increasing their positions, 9 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
32
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 Sellers

1 -$3.24M
2 -$1.84M
3 -$1.46M
4
Morgan Stanley
Morgan Stanley
New York
-$567K
5
CRC
Curi RMB Capital
Illinois
-$396K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$26.7M
2
$20.3M
3
$13.1M
4
$10.4M
5
$8.8M
6
$7.67M
7
$4.9M
8
$4.04M
9
$1.62M
10
$1.43M
11
$1.34M
12
$1.33M
13
$1.22M
14
$388K
15
$358K
16
$332K
17
$324K
18
$280K
19
$231K
20
$203K
21
$196K
22
$195K
23
$183K
24
$178K
25
$175K