MFS HIGH YIELD MUN TR

Historical 13F Holders

Symbol
CMU
CUSIP
59318E102
All holders as of
Q1 2026
Type
Equity
Class
SH BEN INT
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 59318E102 since 12/18/2024, largest first.

Filer % of Class Filed
Rivernorth Capital Management, LLC 13G/A 11.6% 5/15/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (4)
City of London Investment Management Co Ltd 13G/A 4.8% 4/4/2025
Event 3/31/2025
Sit Investment Associates, Inc. 13G/A
4.1% 10/2/2025
Event 9/30/2025
Bulldog Investors, LLP 13D/A
1.0% 5/12/2026
Event 5/6/2026
Almitas Capital LLC 13G/A 0% 8/21/2026
Event 6/30/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q1 45 12.7 M $45.5 M
2025 Q4 41 12.6 M $44.3 M
2025 Q3 40 13.7 M $47.6 M
2025 Q2 40 12.0 M $39.9 M
2025 Q1 41 12.1 M $42.4 M
2024 Q4 43 11.1 M $39.2 M
2024 Q3 49 9.27 M $46.5 M
2024 Q2 54 9.08 M $31.1 M
2024 Q1 54 9.05 M $30.1 M
2023 Q4 53 9.22 M $30.4 M
2023 Q3 50 10.7 M $33.5 M
2023 Q2 50 9.43 M $30.4 M
2023 Q1 48 8.17 M $26.2 M
2022 Q4 50 7.61 M $23.7 M
2022 Q3 45 5.78 M $17.4 M
2022 Q2 49 5.24 M $17.6 M
2022 Q1 40 4.40 M $17.0 M
2021 Q4 38 3.38 M $15.3 M
2021 Q3 35 2.85 M $13.1 M
2021 Q2 31 2.18 M $10.3 M
2021 Q1 35 2.64 M $11.8 M
2020 Q4 35 2.34 M $10.3 M
2020 Q3 31 1.91 M $8.00 M
2020 Q2 31 2.06 M $8.41 M
2020 Q1 26 1.89 M $7.99 M
2019 Q4 32 2.00 M $9.53 M
2019 Q3 33 2.19 M $10.3 M
2019 Q2 29 2.30 M $10.9 M
2019 Q1 30 2.66 M $14.7 M
2018 Q4 37 2.05 M $8.54 M
2018 Q3 32 1.92 M $22.4 M
2018 Q2 31 2.04 M $9.19 M
2018 Q1 28 1.98 M $8.84 M
2017 Q4 30 1.84 M $8.49 M
2017 Q3 28 1.20 M $5.71 M
2017 Q2 30 1.66 M $7.81 M
2017 Q1 29 1.82 M $8.39 M
2016 Q4 27 1.84 M $8.13 M
2016 Q3 27 1.49 M $7.51 M
2016 Q2 30 1.47 M $7.23 M
2016 Q1 28 1.18 M $5.71 M
2015 Q4 28 1.38 M $6.22 M
2015 Q3 28 1.11 M $4.86 M
2015 Q2 30 1.18 M $4.84 M
2015 Q1 28 1.11 M $4.90 M
2014 Q4 34 1.47 M $6.47 M
2014 Q3 29 1.75 M $7.58 M
2014 Q2 27 2.00 M $8.64 M
2014 Q1 22 2.13 M $9.39 M