Filing Manager
Bulldog Investors, LLP
Reporting Manager
Phillip Goldstein
Symbol
CMU
Shares outstanding
25,499,668 shares
Disclosed Ownership
3,455,205 shares
Ownership
14%
Form type
SCHEDULE 13D/A
Filing time
09 Apr 2026, 16:20:56 UTC
Date of event
07 Apr 2026
Previous filing
16 Dec 2025

Quoteable Key Fact

"Bulldog Investors, LLP disclosed 14% ownership in MFS High Yield Municipal Trust Common Stock (CMU) on 07 Apr 2026."

Quick Takeaways

  • Bulldog Investors, LLP filed SCHEDULE 13D/A for MFS High Yield Municipal Trust Common Stock (CMU).
  • Disclosed ownership: 14%.
  • Date of event: 07 Apr 2026.

What Changed

  • Previous schedule filing date: 16 Dec 2025.
  • Current filing was accepted on 09 Apr 2026, 16:20.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Bulldog Investors, LLP 12% 3,072,220 120,488 2,951,732 /s/ Andrew Dakos Andrew Dakos, Partner 0001504304
Phillip Goldstein 14% 3,455,205 120,488 3,334,717 /s/ Phillip Goldstein Phillip Goldstein
Andrew Dakos 12% 2,957,332 0 2,957,332 /s/ Andrew Dakos Andrew Dakos