MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

26 hedge funds and large institutions have $57.4M invested in Pioneer Municipal High Income Opportunities Fund in 2022 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 13 increasing their positions, 6 reducing their positions, and 0 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
26
Holders Change
+2
Holders Change %
+8.33%
% of All Funds
0.44%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
3
Increased
13
Reduced
6
Closed
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Shares
Change %
Morgan Stanley
1
Morgan Stanley
New York
$12.4M +$6.77M +559,183 +121%
SIA
2
Sit Investment Associates
Minnesota
$11.4M +$2.02M +166,808 +22%
RCM
3
Rivernorth Capital Management
Florida
$9.56M -$1.94M -160,237 -17%
COLIM
4
City of London Investment Management
United Kingdom
$6.31M +$105K +8,687 +2%
1CP
5
1607 Capital Partners
Virginia
$3.58M
KIM
6
Karpus Investment Management
New York
$3.52M +$356K +29,404 +11%
RCM
7
Robinson Capital Management
Michigan
$2.09M +$132K +10,834 +7%
MIG
8
Mariner Investment Group
New York
$1.42M +$402K +33,222 +39%
MC
9
Matisse Capital
Oregon
$1.2M +$1.2M +99,100 New
VanEck Associates
10
VanEck Associates
New York
$1.16M -$131K -10,812 -10%
Wells Fargo
11
Wells Fargo
California
$1.12M -$1.35M -111,837 -55%
SCM
12
Saba Capital Management
New York
$805K +$389K +32,121 +94%
PNC Financial Services Group
13
PNC Financial Services Group
Pennsylvania
$666K +$666K +55,000 New
UBS Group
14
UBS Group
Switzerland
$545K +$258K +21,272 +90%
ACA
15
Ackerman Capital Advisors
Texas
$409K +$159K +13,126 +64%
BI
16
Bulldog Investors
New Jersey
$320K +$170K +14,029 +113%
H6H
17
Hightower 6M Holding
Kansas
$249K -$32.2K -2,661 -11%
First Trust Advisors
18
First Trust Advisors
Illinois
$186K -$95.5K -7,902 -34%
Bank of America
19
Bank of America
North Carolina
$147K +$1.2K +99 +0.8%
Royal Bank of Canada
20
Royal Bank of Canada
Ontario, Canada
$121K +$121K +10,000 New
SPIA
21
Steward Partners Investment Advisory
New York
$63K +$60.1K +5,000 +2,092%
Amundi
22
Amundi
France
$62K
Osaic Holdings
23
Osaic Holdings
Arizona
$60K +$11.5K +940 +24%
S
24
SignatureFD
Georgia
$36K
Bessemer Group
25
Bessemer Group
New Jersey
$4K -$22 -2 -0.5%