MIO

Pioneer Municipal High Income Opportunities Fund
MIO

Overview Fund Activity
Delisted

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

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31 hedge funds and large institutions have $84.3M invested in Pioneer Municipal High Income Opportunities Fund in 2024 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 11 increasing their positions, 12 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
31
Holders Change
-2
Holders Change %
-6.06%
% of All Funds
0.45%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
11
Reduced
12
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
SIA
Sit Investment Associates
Minnesota
+$3.14M
2
SCM
Saba Capital Management
New York
+$1.31M
3
GC
Guggenheim Capital
Illinois
+$1.2M
4
Bank of New York Mellon
Bank of New York Mellon
New York
+$539K
5
WA
Whitebox Advisors
Minnesota
+$504K

Top Sellers

1
Morgan Stanley
Morgan Stanley
New York
-$11.2M
2
1CP
1607 Capital Partners
Virginia
-$1.24M
3
MC
Matisse Capital
Oregon
-$1.13M
4
COLIM
City of London Investment Management
United Kingdom
-$685K
5
RCM
Robinson Capital Management
Michigan
-$395K
Name Holding Trade Value Shares
Change 		Shares
Change %
PIN
26
Prudent Investors Network
California
$117K +$117K +10,337 New
S
27
SignatureFD
Georgia
$110K +$1.31K +116 +1%
AWM
28
Avior Wealth Management
Nebraska
$100K +$100K +8,874 New
SPIA
29
Steward Partners Investment Advisory
New York
$85.2K +$9.82K +868 +13%
Comerica Bank
30
Comerica Bank
Texas
$39.3K -$79 -7 -0.2%
WAM
31
Wolverine Asset Management
Illinois
$6.79K -$147K -12,972 -96%
RJA
32
Raymond James & Associates
Florida
– -$161K -15,251 Closed
HighTower Advisors
33
HighTower Advisors
Illinois
– -$128K -13,322 Closed
Amundi
34
Amundi
France
– -$56K -5,227 Closed
US Bancorp
35
US Bancorp
Minnesota
– -$48.2K -4,558 Closed
Osaic Holdings
36
Osaic Holdings
Arizona
– -$7.92K -749 Closed
Bessemer Group
37
Bessemer Group
New Jersey
– -$3K -298 Closed
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