SCHEDULE: Sit Investment Associates Amends MFS High Yield Trust Stake

Sit Investment Associates and its subsidiary reported a 4.1% beneficial ownership stake in MFS High Yield Municipal Trust common stock.

Summary

• Sit Investment Associates, Inc. and its subsidiary, Sit Fixed Income Advisors II, LLC, collectively hold beneficial ownership of 1,045,340 shares of MFS High Yield Municipal Trust common stock.
• This ownership represents 4.1% of the MFS High Yield Municipal Trust's common stock outstanding.
• The percentage is calculated based on 25,492,782 shares of common stock outstanding as of May 31, 2025, as reported in the Issuer's Form N-CSRS.
• Both Sit Investment Associates, Inc. and Sit Fixed Income Advisors II, LLC are registered investment advisers.
• The securities are held in client accounts, and the reporting persons possess shared voting and dispositive power over these shares.
• The acquisition and holding of these securities are in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Sentiment

Score: 5

Explanation: Neutral, as this is a routine ownership disclosure and does not contain performance or strategic updates about the issuer.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Shareholders: Provides transparency regarding significant institutional ownership, confirming a substantial stake held by investment advisers.

Key Dates

Keywords

MFS High Yield Municipal Trust, Sit Investment Associates, Sit Fixed Income Advisors, Beneficial Ownership, Schedule 13G, Common Stock, Investment Adviser, Institutional Ownership