MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

32 hedge funds and large institutions have $106M invested in Pioneer Municipal High Income Opportunities Fund in 2024 Q2 according to their latest regulatory filings, with 8 funds opening new positions, 11 increasing their positions, 9 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
32
Holders Change
+1
Holders Change %
+3.23%
% of All Funds
0.47%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
8
Increased
11
Reduced
9
Closed
7
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Shares
Change %
SIA
1
Sit Investment Associates
Minnesota
$26.7M +$1.96M +168,347 +8%
SCM
2
Saba Capital Management
New York
$20.3M +$146K +12,527 +0.7%
AW
3
Atlas Wealth
Ohio
$13.1M +$13.1M +1,116,850 New
Morgan Stanley
4
Morgan Stanley
New York
$10.4M -$567K -48,654 -5%
RCM
5
Rivernorth Capital Management
Florida
$8.8M +$8.8M +755,705 New
Pathstone Holdings
6
Pathstone Holdings
New Jersey
$7.67M -$102K -8,735 -1%
Wells Fargo
7
Wells Fargo
California
$4.9M -$211K -18,124 -4%
GC
8
Guggenheim Capital
Illinois
$4.04M +$1.61M +138,089 +66%
AC
9
Almitas Capital
California
$1.62M
VanEck Associates
10
VanEck Associates
New York
$1.43M -$128K -10,975 -8%
WA
11
Whitebox Advisors
Minnesota
$1.34M +$816K +70,022 +157%
COLIM
12
City of London Investment Management
United Kingdom
$1.33M -$3.24M -278,518 -71%
Royal Bank of Canada
13
Royal Bank of Canada
Ontario, Canada
$1.22M +$1.22M +105,000 New
SA
14
Sanctuary Advisors
Indiana
$388K +$388K +35,122 New
UBS Group
15
UBS Group
Switzerland
$358K +$46.6K +3,997 +15%
FA
16
Fountainhead AM
New Jersey
$332K +$2.78K +239 +0.8%
KWA
17
Kingswood Wealth Advisors
California
$324K
BBPWM
18
Blue Bell Private Wealth Management
Pennsylvania
$280K +$127K +10,906 +83%
Invesco
19
Invesco
Georgia
$231K +$231K +19,851 New
Nomura Holdings
20
Nomura Holdings
Japan
$203K +$57.1K +4,900 +39%
MWM
21
Melfa Wealth Management
Massachusetts
$196K
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$195K -$141K -12,129 -42%
MWM
23
Modern Wealth Management
Kansas
$183K +$183K +15,705 New
Bank of New York Mellon
24
Bank of New York Mellon
New York
$178K -$377K -32,321 -68%
P
25
&Partners
Tennessee
$175K