MFS HIGH YIELD MUN TR XCMUX
SH BEN INT · Closed-End Fund · CUSIP 59318E102
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 45 |
| Q4 2022 | 49 |
| Q1 2023 | 48 |
| Q2 2023 | 50 |
| Q3 2023 | 50 |
| Q4 2023 | 52 |
| Q1 2024 | 52 |
| Q2 2024 | 54 |
| Q3 2024 | 49 |
| Q4 2024 | 43 |
| Q1 2025 | 41 |
| Q2 2025 | 39 |
| Q3 2025 | 39 |
| Q4 2025 | 41 |
| Q1 2026 | 45 |
| Q2 2026 | 0 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 22 | 24 |
| Q4 2024 | 23 | 18 |
| Q1 2025 | 22 | 15 |
| Q2 2025 | 18 | 10 |
| Q3 2025 | 21 | 11 |
| Q4 2025 | 17 | 14 |
| Q1 2026 | 20 | 14 |
| Q2 2026 | 0 | 45 |
Biggest buyers
| None |
Biggest sellers
| Bulldog Investors, LLP | Sold out | -3.5m |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | Sold out | -3.0m |
| Almitas Capital LLC | Sold out | -1.5m |
| ICON ADVISERS INC/CO | Sold out | -731.7k |
| MORGAN STANLEY | Sold out | -710.7k |
| CITY OF LONDON INVESTMENT MANAGEMENT CO LTD | Sold out | -676.1k |
| BANK OF AMERICA CORP /DE/ | Sold out | -406.0k |
| Allspring Global Investments Holdings, LLC | Sold out | -377.1k |
| Bank of New York Mellon Corp | Sold out | -354.4k |
| GUGGENHEIM CAPITAL LLC | Sold out | -315.6k |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| RIVERNORTH CAPITAL MANAGEMENT, LLC 13G · institution +1.5 pts · filed 2026-05-15 | 11.6% |
Fell to 5% or below in the last year: Almitas Capital LLC (0.0%, 2026-08-21), Bulldog Investors, LLP (1.0%, 2026-05-12)
Holders, Q2 2026
| Manager | Shares | Change |
|---|