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MFS HIGH YIELD MUNICIPAL TRUST

corporate_fare Company Profile

MFS HIGH YIELD MUNICIPAL TRUST

CMU·NYSE·Unknown·CIK 0000809844

MFS High Yield Municipal Trust is a closed-end fixed income mutual fund managed by Massachusetts Financial Services Company. The fund invests in the fixed income markets of the United States, primarily focusing on tax-exempt bonds and tax-exempt notes. Its portfolio performance is benchmarked against the Barclays Municipal Bond Index. The fund was founded on March 19, 1987, and is domiciled in the United States. It was formerly known as Colonial Municipal Income Trust.

MFS HIGH YIELD MUNICIPAL TRUST (NYSE:CMU) is a publicly traded company in the Unknown sector. Wiseek monitors CMU SEC EDGAR filings and licensed market news in real time, scoring each submission for market-moving significance on a 1–10 scale. Items rated 7 or higher generate instant alerts.

Recent high-impact activity:

  • Activist Investor Bulldog Investors Exits Major Stake in MFS High Yield Municipal Trust
  • MFS High Yield Municipal Trust Finalizes Tender Offer, Repurchasing 50% of Shares
  • MFS High Yield Municipal Trust Finalizes Tender Offer, Repurchasing 50% of Shares
  • MFS High Yield Municipal Trust Announces Preliminary Results of 50% Tender Offer
  • Bulldog Investors Discloses $3.9M Share Sales, Reducing Stake in MFS High Yield Municipal Trust
$3.36
52-week range · as of 2026-05-12 $3.21 – $3.71
Market cap
$89.48M
Volume
51K (0.3× avg)
3-mo avg 169.5K
Live data · 2026-06-12 07:54 UTC · Market overnight

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feed CMU - Latest Insights

CMU
May 12, 2026, 4:05 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
8
Price at Filing: $3.48
Real-time Price: $3.36 info
Change: -$0.120 (-3%) info
Market Cap: N/A info
CMU
May 11, 2026, 6:35 PM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $3.51
Real-time Price: $3.36 info
Change: -$0.150 (-4%) info
Market Cap: N/A info
CMU
May 11, 2026, 5:29 PM EDT
Filing Type: SC TO-I/A
Importance Score:
9
Price at Filing: $3.51
Real-time Price: $3.36 info
Change: -$0.150 (-4%) info
Market Cap: N/A info
CMU
May 06, 2026, 8:25 AM EDT
Filing Type: SC TO-I/A
Importance Score:
9
Price at Filing: $3.54
Real-time Price: $3.36 info
Change: -$0.180 (-5%) info
Market Cap: N/A info
CMU
May 05, 2026, 4:39 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $3.55
Real-time Price: $3.36 info
Change: -$0.190 (-5%) info
Market Cap: N/A info
CMU
May 01, 2026, 4:27 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $3.65
Real-time Price: $3.36 info
Change: -$0.290 (-8%) info
Market Cap: N/A info
CMU
Apr 09, 2026, 4:20 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
8
Price at Filing: $3.64
Real-time Price: $3.36 info
Change: -$0.280 (-8%) info
Market Cap: N/A info
CMU
Apr 06, 2026, 4:26 PM EDT
Filing Type: SC TO-I
Importance Score:
9
Price at Filing: $3.56
Real-time Price: $3.36 info
Change: -$0.200 (-6%) info
Market Cap: N/A info
CMU
Apr 01, 2026, 4:28 PM EDT
Filing Type: N-23C-2
Importance Score:
7
Price at Filing: $3.56
Real-time Price: $3.36 info
Change: -$0.200 (-6%) info
Market Cap: N/A info
CMU
Mar 04, 2026, 4:20 PM EST
Filing Type: SC TO-C
Importance Score:
9
Price at Filing: $3.64
Real-time Price: $3.36 info
Change: -$0.280 (-8%) info
Market Cap: N/A info