MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

29 hedge funds and large institutions have $103M invested in Pioneer Municipal High Income Opportunities Fund in 2024 Q3 according to their latest regulatory filings, with 5 funds opening new positions, 12 increasing their positions, 8 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
29
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 -$13.1M
2 -$1.34M
3 -$1.33M
4
Morgan Stanley
Morgan Stanley
New York
-$618K
5
AC
Almitas Capital
California
-$450K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$28.8M
2
$22.7M
3
$14M
4
$10.5M
5
$7.91M
6
$5.32M
7
$4.9M
8
$1.45M
9
$1.27M
10
$1.12M
11
$736K
12
$463K
13
$439K
14
$413K
15
$391K
16
$366K
17
$357K
18
$345K
19
$307K
20
$209K
21
$137K
22
$123K
23
$123K
24
$109K
25
$105K