MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

24 hedge funds and large institutions have $70M invested in Pioneer Municipal High Income Opportunities Fund in 2023 Q2 according to their latest regulatory filings, with 4 funds opening new positions, 8 increasing their positions, 5 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
24
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
$15.9M
2
$12.4M
3
$10.6M
4
$9.51M
5
$4.54M
6
$4.02M
7
$2.93M
8
$2.69M
9
$1.89M
10
$1.36M
11
$1.18M
12
$708K
13
$667K
14
$625K
15
$255K
16
$228K
17
$160K
18
$126K
19
$100K
20
$65.2K
21
$54.1K
22
$9.84K
23
$2K
24
$1K
25