MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

31 hedge funds and large institutions have $108M invested in Pioneer Municipal High Income Opportunities Fund in 2025 Q2 according to their latest regulatory filings, with 9 funds opening new positions, 10 increasing their positions, 9 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
31
Holders Change
-3
Holders Change %
-8.82%
% of All Funds
0.42%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.01%
New
9
Increased
10
Reduced
9
Closed
11
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Shares
Change %
SIA
1
Sit Investment Associates
Minnesota
$30.3M +$223K +18,874 +0.7%
SCM
2
Saba Capital Management
New York
$25.5M +$563K +47,715 +2%
AC
3
Almitas Capital
California
$9.33M +$6.8M +575,939 +268%
RCM
4
Rivernorth Capital Management
Florida
$8.88M -$9.72M -823,328 -52%
Morgan Stanley
5
Morgan Stanley
New York
$6.93M -$1.27M -107,555 -15%
KIM
6
Karpus Investment Management
New York
$5.86M +$5.86M +496,367 New
GC
7
Guggenheim Capital
Illinois
$4.82M -$248K -21,049 -5%
Wells Fargo
8
Wells Fargo
California
$4.14M +$56.2K +4,759 +1%
HWAM
9
Hennion & Walsh Asset Management
New Jersey
$2.98M +$1.41M +119,077 +89%
Pathstone Holdings
10
Pathstone Holdings
New Jersey
$1.62M -$4.78M -405,148 -75%
UBS Group
11
UBS Group
Switzerland
$1.24M +$773K +65,493 +165%
Royal Bank of Canada
12
Royal Bank of Canada
Ontario, Canada
$1.22M +$236K +20,000 +24%
VanEck Associates
13
VanEck Associates
New York
$953K +$3.26K +276 +0.3%
BI
14
Bulldog Investors
New Jersey
$948K +$948K +80,353 New
AIA
15
Absolute Investment Advisers
Florida
$698K +$698K +59,120 New
Invesco
16
Invesco
Georgia
$684K -$20.9K -1,770 -3%
Kovitz Investment Group Partners
17
Kovitz Investment Group Partners
Illinois
$479K +$479K +40,562 New
BBPWM
18
Blue Bell Private Wealth Management
Pennsylvania
$278K +$4.78K +405 +2%
QL
19
Quarry LP
New York
$244K +$244K +20,654 New
Bank of New York Mellon
20
Bank of New York Mellon
New York
$219K -$199K -16,881 -48%
AAM
21
Auxier Asset Management
Oregon
$203K
MWM
22
Melfa Wealth Management
Massachusetts
$199K
Raymond James Financial
23
Raymond James Financial
Florida
$126K -$31.7K -2,690 -20%
S
24
SignatureFD
Georgia
$122K +$1.52K +129 +1%
WFA
25
Wellspring Financial Advisors
Ohio
$118K +$118K +10,000 New