MFS HIGH YIELD MUNICIPAL TRUST - CMU

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Bulldog Investors, LLP History Added to 3,593,657 12,613 2.81% 2.41% 1 +598,697 19.99% Q4 2025 Feb 13, 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC History Added to 2,630,896 9,234 0.44% 0.51% 2 +51,821 2.01% Q4 2025 Feb 17, 2026
Almitas Capital LLC History Reduced 1,497,718 5,256 1.16% 1.2% 3 -9,450 -0.63% Q4 2025 Feb 17, 2026
ICON ADVISERS INC/CO History No change 821,456 2,883 0.62% 0.62% 4 0 0.0% Q4 2025 Feb 13, 2026
CITY OF LONDON INVESTMENT MANAGEMENT CO LTD History Added to 568,249 1,994 0.15% 0.13% 5 +50,000 9.65% Q4 2025 Feb 13, 2026
Thomas J. Herzfeld Advisors, Inc. History Added to 558,611 1,960 0.66% 0.65% 6 +12,171 2.23% Q4 2025 Feb 13, 2026
BANK OF AMERICA CORP /DE/ History Added to 405,971 1,424 0.0% 0.0% 7 +258,383 175.07% Q4 2025 Feb 17, 2026
MORGAN STANLEY History Added to 391,611 1,374 0.0% 0.0% 8 +295,240 306.36% Q4 2025 Feb 13, 2026
Allspring Global Investments Holdings, LLC History No change 377,111 1,323 0.0% 0.0% 9 0 0.0% Q4 2025 Jan 15, 2026
Bank of New York Mellon Corp History Added to 318,415 1,117 0.0% 0.0% 10 +6,000 1.92% Q4 2025 Feb 10, 2026
Matisse Capital History No change 262,208 920 0.41% 0.41% 11 0 0.0% Q4 2025 Jan 29, 2026
UBS Group AG History Reduced 238,830 838 0.0% 0.0% 12 -10,523 -4.22% Q4 2025 Jan 29, 2026
Lido Advisors, LLC History No change 146,367 507 0.0% 0.0% 13 0 0.0% Q4 2025 Feb 10, 2026
MELFA WEALTH MANAGEMENT, INC. History Added to 124,123 435 0.25% 0.25% 14 +113 0.09% Q4 2025 Jan 16, 2026
EVOLVE PRIVATE WEALTH, LLC History New 92,603 325 0.02% 15 +92,603 New Q4 2025 Feb 17, 2026
OSAIC HOLDINGS, INC. History Added to 64,223 225 0.0% 0.0% 16 +13,521 26.67% Q4 2025 Feb 17, 2026
LPL Financial LLC History Reduced 59,992 210 0.0% 0.0% 17 -473 -0.78% Q4 2025 Feb 11, 2026
RAYMOND JAMES FINANCIAL INC History Reduced 48,217 169 0.0% 0.0% 18 -46 -0.1% Q4 2025 Feb 18, 2026
SIT INVESTMENT ASSOCIATES INC History Reduced 47,357 166 0.2% 0.07% 19 -997,983 -95.47% Q4 2025 Feb 25, 2026
Equitable Holdings, Inc. History Added to 32,724 114 0.0% 0.0% 20 +305 0.94% Q4 2025 Feb 17, 2026
Pathstone Holdings, LLC History New 30,929 108 0.0% 21 +30,929 New Q4 2025 Feb 13, 2026
Novak & Powell Financial Services, Inc. History New 30,365 106 0.06% 23 +30,365 New Q4 2025 Feb 10, 2026
Cetera Investment Advisers History Reduced 30,249 106 0.0% 0.0% 22 -5,408 -15.17% Q4 2025 Feb 17, 2026
Cambridge Investment Research Advisors, Inc. History Added to 26,051 91 0.0% 0.0% 24 +88 0.34% Q4 2025 Feb 05, 2026
Mutual Advisors, LLC History New 20,998 73 0.0% 26 +20,998 New Q4 2025 Feb 02, 2026
BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC History Reduced 20,921 73 0.01% 0.01% 25 -1,000 -4.56% Q4 2025 Feb 09, 2026
Rockefeller Capital Management L.P. History No change 20,000 70 0.0% 0.0% 27 0 0.0% Q4 2025 Mar 16, 2026
CITADEL ADVISORS LLC History Reduced 18,396 64 0.0% 0.0% 28 -10,765 -36.92% Q4 2025 Feb 17, 2026
SPIREPOINT PRIVATE CLIENT, LLC History No change 16,247 57 0.01% 0.01% 29 0 0.0% Q4 2025 Jan 22, 2026
COHEN & STEERS, INC. History No change 15,000 53 0.0% 0.0% 30 0 0.0% Q4 2025 Feb 13, 2026
Noble Wealth Management PBC History No change 15,100 53 0.03% 0.03% 31 0 0.0% Q4 2025 Jan 05, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History New 13,703 48 0.0% 32 +13,703 New Q4 2025 Feb 17, 2026
Closed-End Fund Advisors, Inc. History New 13,091 45 0.03% 34 +13,091 New Q4 2025 Feb 11, 2026
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC History Reduced 12,864 45 0.0% 0.0% 33 -291 -2.21% Q4 2025 Feb 03, 2026
Kestra Advisory Services, LLC History No change 12,756 44 0.0% 0.0% 35 0 0.0% Q4 2025 Feb 13, 2026
Integrated Wealth Concepts LLC History Reduced 11,696 41 0.0% 0.0% 36 -4,553 -28.02% Q4 2025 Feb 13, 2026
Mesirow Financial Investment Management, Inc. History Added to 11,673 40 0.0% 0.0% 37 +164 1.42% Q4 2025 Feb 05, 2026
WELLS FARGO & COMPANY/MN History Added to 9,609 33 0.0% 0.0% 38 +3,063 46.79% Q4 2025 Feb 13, 2026
Independence Bank of Kentucky History Reduced 2,860 10 0.0% 0.0% 39 -2,150 -42.91% Q4 2025 Jan 20, 2026
ROTHSCHILD INVESTMENT LLC History No change 1,537 5 0.0% 0.0% 40 0 0.0% Q4 2025 Feb 10, 2026
Mascoma Wealth Management LLC History No change 844 2 0.0% 0.0% 41 0 0.0% Q4 2025 Feb 04, 2026
Private Advisor Group, LLC History Closed out 0 0 0.0% -19,093 -100.0% Q3 2025 Nov 13, 2025
NOMURA HOLDINGS INC History Closed out 0 0 0.0% -10,000 -100.0% Q3 2025 Nov 14, 2025