MFS HIGH YIELD MUNICIPAL TRUST
Total Trades
17
Buys
13
Sells
4
Largest Trade
N/A
Insiders
3
Institutional Funds
35
Inst. Value
$1M+
Activist Filings
27
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Bulldog Investors, LLP | 10% Owner | BUY | $1K–$15K | 678 | $3.50 | Jan 22, 2026 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $1K–$15K | 400 | $3.25 | Nov 13, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $15K–$50K | 10K | $2.98 | Nov 9, 2023 |
| Saba Capital Management, L.P. | 10% Owner | SELL | $15K–$50K | 5K | $3.05 | Oct 10, 2023 |
| Saba Capital Management, L.P. | 10% Owner | SELL | $50K–$100K | 21K | $3.09 | Oct 6, 2023 |
| Saba Capital Management, L.P. | 10% Owner | SELL | $15K–$50K | 6K | $3.10 | Oct 3, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $100K–$500K | 46K | $3.30 | Jul 25, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $1K–$15K | 521 | $3.26 | Jul 19, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $15K–$50K | 7K | $3.24 | Jun 28, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $1K–$15K | 3K | $3.18 | Jun 22, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $1M+ | 372K | $3.15 | Jun 8, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $15K–$50K | 11K | $3.18 | May 23, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | <$1K | 179 | $3.20 | May 19, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $50K–$100K | 25K | $3.21 | May 17, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $15K–$50K | 15K | $3.19 | May 15, 2023 |
| Saba Capital Management, L.P. | 10% Owner | BUY | $15K–$50K | 7K | $3.18 | May 8, 2023 |
| JPMorgan Chase Bank, N.A. | 10% Owner | SELL | N/A | 50 | — | Nov 30, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 35 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Bulldog Investors, LLP | 3.6M | $1M+ | SH |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 2.6M | $1M+ | SH |
| Almitas Capital LLC | 1.5M | $1M+ | SH |
| ICON ADVISERS INC/CO | 821K | $1M+ | SH |
| CITY OF LONDON INVESTMENT MANAGEMENT CO LTD | 568K | $1M+ | SH |
| Thomas J. Herzfeld Advisors, Inc. | 559K | $1M+ | SH |
| Allspring Global Investments Holdings, LLC | 377K | $1M+ | SH |
| Bank of New York Mellon Corp | 318K | $1M+ | SH |
| Matisse Capital | 262K | $500K+ | SH |
| UBS Group AG | 238K | $500K+ | SH |
| Lido Advisors, LLC | 146K | $500K+ | SH |
| MELFA WEALTH MANAGEMENT, INC. | 124K | $100K–$500K | SH |
| LPL Financial LLC | 60K | $100K–$500K | SH |
| SIT INVESTMENT ASSOCIATES INC | 47K | $100K–$500K | SH |
| Equitable Holdings, Inc. | 33K | $100K–$500K | SH |
| Pathstone Holdings, LLC | 31K | $100K–$500K | SH |
| Novak & Powell Financial Services, Inc. | 30K | $100K–$500K | SH |
| Cetera Investment Advisers | 30K | $100K–$500K | SH |
| RAYMOND JAMES FINANCIAL INC | 28K | $50K–$100K | SH |
| Cambridge Investment Research Advisors, Inc. | 26K | $50K–$100K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 17, 2026
5.9%
2.2M shares
SC 13D/A · Dec 16, 2025
14.4%
3.7M shares
SC 13G · Nov 15, 2025
5.9%
1.5M shares
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
SC 13D/A · Aug 28, 2025
11.8%
3.0M shares
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
City of London Investment Management Company Limited
SC 13G/A · Apr 4, 2025
4.8%
1.2M shares
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
RIVERNORTH CAPITAL MANAGEMENT, LLC
SC 13G · Nov 14, 2024
5.2%
1.3M shares
SC 13G · Nov 14, 2024
5.0%
1.3M shares
SC 13G/A · Jan 31, 2024
1.4%
397K shares
SC 13D/A · Jan 8, 2024
4.5%
1.1M shares
SC 13D/A · Dec 29, 2023
5.8%
1.5M shares
SC 13D/A · Dec 26, 2023
8.1%
2.1M shares
SC 13D/A · Nov 13, 2023
9.7%
2.5M shares
SC 13D/A · Jun 8, 2023
11.6%
3.3M shares
SC 13D · Apr 10, 2023
10.1%
2.9M shares
SC 13G/A · Feb 14, 2023
6.8%
1.9M shares
SC 13G/A · Jan 18, 2023
7.2%
2.0M shares
SC 13G/A · Dec 9, 2022
8.1%
2.3M shares
SC 13G · Dec 8, 2022
5.7%
1.6M shares
SC 13G/A · May 6, 2022
13.6%
3.8M shares
SC 13G/A · Jan 12, 2022
18.6%
5.3M shares