MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

34 hedge funds and large institutions have $109M invested in Pioneer Municipal High Income Opportunities Fund in 2025 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 10 increasing their positions, 14 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
34
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 -$1.14M
2 -$1.12M
3 -$522K
4
VanEck Associates
VanEck Associates
New York
-$489K
5
AF
Atala Financial
California
-$356K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$30M
2
$24.9M
3
$18.6M
4
$8.19M
5
$6.68M
6
$5.07M
7
$4.08M
8
$2.53M
9
$1.57M
10
$979K
11
$949K
12
$888K
13
$704K
14
$620K
15
$558K
16
$468K
17
$422K
18
$418K
19
$273K
20
$218K
21
$203K
22
$199K
23
$178K
24
$157K
25
$122K