MFS HIGH INCOME MUN TR

DOSSIER · 13F Holders · Q1 2026

CXE

MFS HIGH INCOME MUN TR

9 institutions still hold MFS HIGH INCOME MUN TR as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 59318D104·9 13F holders·last filed Mar 31, 2026

Market cap

—

13F value held

$9M

visible holders

Holders

9

filers reporting

Concentration

38.78%

RIVERNORTH CAPITAL MANAGEMENT, LLC #1

top holder share

AI Holders Summary · Q1 2026

9 institutions reported CXE in Q1 2026. RIVERNORTH CAPITAL MANAGEMENT, LLC leads at 38.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter

01

RIVERNORTH CAPITAL MANAGEMENT, LLC

CIK 0001447578

$3M923K0.17%Q1 2026 02

SIT INVESTMENT ASSOCIATES INC

CIK 0000769317

$2M633K0.05%Q1 2026 03

Bulldog Investors, LLP

CIK 0001504304

$2M450K0.37%Q1 2026 04

Logan Stone Capital, LLC

CIK 0001535521

$570K154K0.14%Q4 2025 05

Cambridge Investment Research Advisors, Inc.

CIK 0001419186

$404K109K0.00%Q1 2026 06

Catalina Capital Group, LLC

CIK 0002018090

$304K82K0.18%Q1 2026 07

Mutual Advisors, LLC

CIK 0001694080

$61K16K0.00%Q1 2026 08

Sheaff Brock Investment Advisors, LLC

CIK 0001666789

$48K13K0.00%Q1 2025 09

CONCOURSE FINANCIAL GROUP SECURITIES, INC.