MIO

Pioneer Municipal High Income Opportunities Fund

Delisted

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

26 hedge funds and large institutions have $60.4M invested in Pioneer Municipal High Income Opportunities Fund in 2022 Q4 according to their latest regulatory filings, with 7 funds opening new positions, 11 increasing their positions, 6 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
26
Holders Change
+1
Holders Change %
+4%
% of All Funds
0.42%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
7
Increased
11
Reduced
6
Closed
5
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Shares
Change %
Morgan Stanley
1
Morgan Stanley
New York
$14.2M +$2.92M +274,448 +26%
SIA
2
Sit Investment Associates
Minnesota
$10.1M -$2.54M -238,953 -20%
SCM
3
Saba Capital Management
New York
$9.95M +$9.02M +847,204 +972%
AW
4
Atlas Wealth
Ohio
$7.44M +$7.44M +698,709 New
COLIM
5
City of London Investment Management
United Kingdom
$4.9M -$669K -62,736 -12%
1CP
6
1607 Capital Partners
Virginia
$3.08M -$63.9K -6,000 -2%
Wells Fargo
7
Wells Fargo
California
$3.03M +$969K +91,015 +47%
WP
8
Woodline Partners
California
$1.61M +$1.61M +150,881 New
MC
9
Matisse Capital
Oregon
$1.17M +$250K +23,477 +27%
VanEck Associates
10
VanEck Associates
New York
$1.12M +$101K +9,521 +10%
UBS Group
11
UBS Group
Switzerland
$907K -$214K -20,049 -19%
MIG
12
Mariner Investment Group
New York
$885K -$653K -61,313 -42%
MC
13
Moors & Cabot
Massachusetts
$559K +$559K +52,500 New
OFG
14
OTA Financial Group
New York
$492K +$492K +46,222 New
HighTower Advisors
15
HighTower Advisors
Illinois
$244K +$244K +23,371 New
Bank of America
16
Bank of America
North Carolina
$213K +$84.1K +7,901 +65%
SPP
17
Single Point Partners
Massachusetts
$109K
S
18
SignatureFD
Georgia
$96.9K +$65K +6,099 +203%
Osaic Holdings
19
Osaic Holdings
Arizona
$81K +$23.8K +2,251 +42%
SPIA
20
Steward Partners Investment Advisory
New York
$60.3K +$5.03K +472 +9%
Amundi
21
Amundi
France
$56.5K
JPMorgan Chase & Co
22
JPMorgan Chase & Co
New York
$52K +$52K +4,856 New
Royal Bank of Canada
23
Royal Bank of Canada
Ontario, Canada
$27K -$54K -5,000 -67%
Rockefeller Capital Management
24
Rockefeller Capital Management
New York
$12K +$12K +1,212 New
IA
25
IFP Advisors
Florida
$9K +$6.98K +310 +344%