MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

23 hedge funds and large institutions have $71.4M invested in Pioneer Municipal High Income Opportunities Fund in 2021 Q4 according to their latest regulatory filings, with 17 funds opening new positions, 4 increasing their positions, 1 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
23
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 Buyers

1 +$13.8M
2 +$10.5M
3 +$8.49M
4
Morgan Stanley
Morgan Stanley
New York
+$6.02M
5
1CP
1607 Capital Partners
Virginia
+$3.46M

Top Sellers

1 -$1.25M
2 -$642K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$14.9M
2
$13.8M
3
$12.4M
4
$10.5M
5
$3.48M
6
$3.46M
7
$2.65M
8
$1.95M
9
$1.71M
10
$1.69M
11
$1.01M
12
$962K
13
$934K
14
$538K
15
$444K
16
$328K
17
$282K
18
$201K
19
$92K
20
$55K
21
$8K
22
$3K
23
$2K
24