Pioneer Muni High Inc OPP (MIO)

Q2 2025 vs Q3 2025

Comparing institutional holders between quarters

Compare Detailed Historical Funds Options Short Interest 13D/13G Peers Targeting Trading Summary Profile

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Osaic Holdings, Inc.

DECREASED

Shares1,060 from 1,293

Change-233 (-18%)

Value$12.1K (-$3.1K)

Filed 2025-11-14

SIT Investment Associates Inc

CLOSED

Shares0 from 2,563,916

Change-2,563,916 (-100%)

Value$0 (-$30.3K)

Filed 2025-11-13

Saba Capital Management, L.P.A

CLOSED

Shares0 from 2,161,352

Change-2,161,352 (-100%)

Value$0 (-$25.5M)

Filed 2025-11-14

Almitas Capital LLC

CLOSED

Shares0 from 790,809

Change-790,809 (-100%)

Value$0 (-$9.3M)

Filed 2025-11-17

Rivernorth Capital Management, LLC

CLOSED

Shares0 from 752,523

Change-752,523 (-100%)

Value$0 (-$8.9M)

Filed 2025-11-14

Morgan Stanley

CLOSED

Shares0 from 586,927

Change-586,927 (-100%)

Value$0 (-$6.9M)

Filed 2026-05-27

Karpus Management, Inc.

CLOSED

Shares0 from 496,367

Change-496,367 (-100%)

Value$0 (-$5.9M)

Filed 2025-11-14

Guggenheim Capital LLC

CLOSED

Shares0 from 408,896

Change-408,896 (-100%)

Value$0 (-$4.8M)

Filed 2025-11-13

Wells Fargo & Company

CLOSED

Shares0 from 351,191

Change-351,191 (-100%)

Value$0 (-$4.1M)

Filed 2025-11-13

Hennion & Walsh Asset Management, Inc.

CLOSED

Shares0 from 252,242

Change-252,242 (-100%)

Value$0 (-$3.0M)

Filed 2025-10-22

Pathstone Holdings, LLC

CLOSED

Shares0 from 137,168

Change-137,168 (-100%)

Value$0 (-$1.6M)

Filed 2025-11-13

UBS Group AG

CLOSED

Shares0 from 105,194

Change-105,194 (-100%)

Value$0 (-$1.2M)

Filed 2025-11-13

Royal Bank of Canada

CLOSED

Shares0 from 103,000

Change-103,000 (-100%)

Value$0 (-$1.2M)

Filed 2025-11-14

Van Eck Associates Corp

CLOSED

Shares0 from 80,738

Change-80,738 (-100%)

Value$0 (-$953)

Filed 2025-11-13

Bulldog Investors, LLPA

CLOSED

Shares0 from 80,353

Change-80,353 (-100%)

Value$0 (-$948.2K)

Filed 2025-11-14

Absolute Investment Advisers, LLC

CLOSED

Shares0 from 59,120

Change-59,120 (-100%)

Value$0 (-$697.6K)

Filed 2025-10-20

Invesco Ltd.

CLOSED

Shares0 from 57,959

Change-57,959 (-100%)

Value$0 (-$683.9K)

Filed 2025-11-13

NorthCoast Asset Management LLC

CLOSED

Shares0 from 40,562

Change-40,562 (-100%)

Value$0 (-$478.6K)

Filed 2025-11-10

Blue Bell Private Wealth Management, LLC

CLOSED

Shares0 from 23,544

Change-23,544 (-100%)

Value$0 (-$277.8K)

Filed 2025-10-22

Quarry LP

CLOSED

Shares0 from 20,654

Change-20,654 (-100%)

Value$0 (-$243.7K)

Filed 2025-11-14

Bank of New York Mellon Corp

CLOSED

Shares0 from 18,550

Change-18,550 (-100%)

Value$0 (-$218.9K)

Filed 2025-11-03

Auxier Asset Management LLC

CLOSED

Shares0 from 17,208

Change-17,208 (-100%)

Value$0 (-$203.1K)

Filed 2025-11-19

Melfa Wealth Management, Inc.

CLOSED

Shares0 from 16,850

Change-16,850 (-100%)

Value$0 (-$198.8K)

Filed 2025-10-28

Raymond James Financial Inc

CLOSED

Shares0 from 10,665

Change-10,665 (-100%)

Value$0 (-$125.8K)

Filed 2025-11-14

Signaturefd, LLC

CLOSED

Shares0 from 10,314

Change-10,314 (-100%)

Value$0 (-$121.7K)

Filed 2025-10-21

Wellspring Financial Advisors, LLC

CLOSED

Shares0 from 10,000

Change-10,000 (-100%)

Value$0 (-$118.0K)

Filed 2025-11-13

Wolverine Asset Management LLC

CLOSED

Shares0 from 9,520

Change-9,520 (-100%)

Value$0 (-$112.3K)

Filed 2025-10-28

Steward Partners Investment Advisory, LLC

CLOSED

Shares0 from 8,372

Change-8,372 (-100%)

Value$0 (-$98.8K)

Filed 2025-11-12

Ancora Advisors LLCA

CLOSED

Shares0 from 6,930

Change-6,930 (-100%)

Value$0 (-$81.8K)

Filed 2025-11-14

Cohen & Steers, Inc.

CLOSED

Shares0 from 5,000

Change-5,000 (-100%)

Value$0 (-$59)

Filed 2025-11-14

Comerica Bank

CLOSED

Shares0 from 3,150

Change-3,150 (-100%)

Value$0 (-$37.2K)

Filed 2025-11-14

Proequities, Inc.

N/A

Shares— from 0

Change0

Value—

	Status
Osaic Holdings, Inc.	DECREASED	1,060	1,293	-233	-18%	$15.3K	$12.1K	-$3.1K	2025-11-14
SIT Investment Associates Inc	CLOSED	0	2,563,916	-2,563,916	-100%	$30.3K	$0	-$30.3K	2025-11-13
Saba Capital Management, L.P.A	CLOSED	0	2,161,352	-2,161,352	-100%	$25.5M	$0	-$25.5M	2025-11-14
Almitas Capital LLC	CLOSED	0	790,809	-790,809	-100%	$9.3M	$0	-$9.3M	2025-11-17
Rivernorth Capital Management, LLC	CLOSED	0	752,523	-752,523	-100%	$8.9M	$0	-$8.9M	2025-11-14
Morgan Stanley	CLOSED	0	586,927	-586,927	-100%	$6.9M	$0	-$6.9M	2026-05-27
Karpus Management, Inc.	CLOSED	0	496,367	-496,367	-100%	$5.9M	$0	-$5.9M	2025-11-14
Guggenheim Capital LLC	CLOSED	0	408,896	-408,896	-100%	$4.8M	$0	-$4.8M	2025-11-13
Wells Fargo & Company	CLOSED	0	351,191	-351,191	-100%	$4.1M	$0	-$4.1M	2025-11-13
Hennion & Walsh Asset Management, Inc.	CLOSED	0	252,242	-252,242	-100%	$3.0M	$0	-$3.0M	2025-10-22
Pathstone Holdings, LLC	CLOSED	0	137,168	-137,168	-100%	$1.6M	$0	-$1.6M	2025-11-13
UBS Group AG	CLOSED	0	105,194	-105,194	-100%	$1.2M	$0	-$1.2M	2025-11-13
Royal Bank of Canada	CLOSED	0	103,000	-103,000	-100%	$1.2M	$0	-$1.2M	2025-11-14
Van Eck Associates Corp	CLOSED	0	80,738	-80,738	-100%	$953	$0	-$953	2025-11-13
Bulldog Investors, LLPA	CLOSED	0	80,353	-80,353	-100%	$948.2K	$0	-$948.2K	2025-11-14
Absolute Investment Advisers, LLC	CLOSED	0	59,120	-59,120	-100%	$697.6K	$0	-$697.6K	2025-10-20
Invesco Ltd.	CLOSED	0	57,959	-57,959	-100%	$683.9K	$0	-$683.9K	2025-11-13
NorthCoast Asset Management LLC	CLOSED	0	40,562	-40,562	-100%	$478.6K	$0	-$478.6K	2025-11-10
Blue Bell Private Wealth Management, LLC	CLOSED	0	23,544	-23,544	-100%	$277.8K	$0	-$277.8K	2025-10-22
Quarry LP	CLOSED	0	20,654	-20,654	-100%	$243.7K	$0	-$243.7K	2025-11-14
Bank of New York Mellon Corp	CLOSED	0	18,550	-18,550	-100%	$218.9K	$0	-$218.9K	2025-11-03
Auxier Asset Management LLC	CLOSED	0	17,208	-17,208	-100%	$203.1K	$0	-$203.1K	2025-11-19
Melfa Wealth Management, Inc.	CLOSED	0	16,850	-16,850	-100%	$198.8K	$0	-$198.8K	2025-10-28
Raymond James Financial Inc	CLOSED	0	10,665	-10,665	-100%	$125.8K	$0	-$125.8K	2025-11-14
Signaturefd, LLC	CLOSED	0	10,314	-10,314	-100%	$121.7K	$0	-$121.7K	2025-10-21
Wellspring Financial Advisors, LLC	CLOSED	0	10,000	-10,000	-100%	$118.0K	$0	-$118.0K	2025-11-13
Wolverine Asset Management LLC	CLOSED	0	9,520	-9,520	-100%	$112.3K	$0	-$112.3K	2025-10-28
Steward Partners Investment Advisory, LLC	CLOSED	0	8,372	-8,372	-100%	$98.8K	$0	-$98.8K	2025-11-12
Ancora Advisors LLCA	CLOSED	0	6,930	-6,930	-100%	$81.8K	$0	-$81.8K	2025-11-14
Cohen & Steers, Inc.	CLOSED	0	5,000	-5,000	-100%	$59	$0	-$59	2025-11-14
Comerica Bank	CLOSED	0	3,150	-3,150	-100%	$37.2K	$0	-$37.2K	2025-11-14
Proequities, Inc.	N/A	—	0	0	—	$0	—	—	—

Showing 32 of 32 institutions