CMU

MFS HIGH YIELD MUNICIPAL TRUST

NYSE

Total Trades

17

Buys

13

Sells

4

Largest Trade

N/A

Insiders

3

Institutional Funds

35

Inst. Value

$1M+

Activist Filings

27

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Bulldog Investors, LLP10% OwnerBUY$1K–$15K678$3.50Jan 22, 2026
Saba Capital Management, L.P.10% OwnerBUY$1K–$15K400$3.25Nov 13, 2023
Saba Capital Management, L.P.10% OwnerBUY$15K–$50K10K$2.98Nov 9, 2023
Saba Capital Management, L.P.10% OwnerSELL$15K–$50K5K$3.05Oct 10, 2023
Saba Capital Management, L.P.10% OwnerSELL$50K–$100K21K$3.09Oct 6, 2023
Saba Capital Management, L.P.10% OwnerSELL$15K–$50K6K$3.10Oct 3, 2023
Saba Capital Management, L.P.10% OwnerBUY$100K–$500K46K$3.30Jul 25, 2023
Saba Capital Management, L.P.10% OwnerBUY$1K–$15K521$3.26Jul 19, 2023
Saba Capital Management, L.P.10% OwnerBUY$15K–$50K7K$3.24Jun 28, 2023
Saba Capital Management, L.P.10% OwnerBUY$1K–$15K3K$3.18Jun 22, 2023
Saba Capital Management, L.P.10% OwnerBUY$1M+372K$3.15Jun 8, 2023
Saba Capital Management, L.P.10% OwnerBUY$15K–$50K11K$3.18May 23, 2023
Saba Capital Management, L.P.10% OwnerBUY<$1K179$3.20May 19, 2023
Saba Capital Management, L.P.10% OwnerBUY$50K–$100K25K$3.21May 17, 2023
Saba Capital Management, L.P.10% OwnerBUY$15K–$50K15K$3.19May 15, 2023
Saba Capital Management, L.P.10% OwnerBUY$15K–$50K7K$3.18May 8, 2023
JPMorgan Chase Bank, N.A.10% OwnerSELLN/A50Nov 30, 2022
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Institutional Ownership

13F filings as of Dec 31, 2025 · 35 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Almitas Capital LLC

SC 13G · Feb 17, 2026

5.9%

2.2M shares

Bulldog Investors, LLP

SC 13D/A · Dec 16, 2025

14.4%

3.7M shares

Almitas Capital LLC

SC 13G · Nov 15, 2025

5.9%

1.5M shares

Bulldog Investors, LLP

SC 13D/A · Nov 14, 2025

12.9%

3.3M shares

RIVERNORTH CAPITAL MANAGEMENT, LLC

SC 13G/A · Oct 7, 2025

10.1%

2.6M shares

Sit Investment Associates, Inc.

SC 13G/A · Oct 2, 2025

4.1%

1.0M shares

Bulldog Investors, LLP

SC 13D/A · Aug 28, 2025

11.8%

3.0M shares

Bulldog Investors, LLP

SC 13D/A · Jul 16, 2025

10.6%

2.7M shares

RIVERNORTH CAPITAL MANAGEMENT, LLC

SC 13G/A · May 15, 2025

7.5%

1.9M shares

4.8%

1.2M shares

Bulldog Investors, LLP

SC 13D/A · Feb 14, 2025

11.3%

2.9M shares

Sit Investment Associates, Inc.

SC 13G · Jan 3, 2025

7.9%

2.0M shares

5.2%

1.3M shares

Saba Capital Management, L.P.

SC 13D/A · Jan 8, 2024

4.5%

1.1M shares

Saba Capital Management, L.P.

SC 13D/A · Dec 29, 2023

5.8%

1.5M shares

Saba Capital Management, L.P.

SC 13D/A · Dec 26, 2023

8.1%

2.1M shares

Saba Capital Management, L.P.

SC 13D/A · Nov 13, 2023

9.7%

2.5M shares

Saba Capital Management, L.P.

SC 13D/A · Jun 8, 2023

11.6%

3.3M shares

Saba Capital Management, L.P.

SC 13D · Apr 10, 2023

10.1%

2.9M shares

Saba Capital Management, L.P.

SC 13G/A · Feb 14, 2023

6.8%

1.9M shares

Saba Capital Management, L.P.

SC 13G · Dec 8, 2022

5.7%

1.6M shares

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