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CXH

Mfs Investment Grade Municipal Trust
$8.48 +0.85 (+11.14%) At close · Jun 8
Market Cap
$31.28M
Shares
4,099,610

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 34
Total Value: $32,250,955
Total Shares: 4,036,417

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 34 13F filers · Δ vs Dec 31, 2025
Top Holder
29.3%
Jun 2023 → Mar 2026 · range 16.0% – 31.7%
−0.4 pts
Top 5
72.0%
Jun 2023 → Mar 2026 · range 58.2% – 75.0%
+5.3 pts
Top 10
91.0%
Jun 2023 → Mar 2026 · range 76.2% – 91.0%
+2.5 pts
HHI
1,443
Jun 2023 → Mar 2026 · range 844 – 1,504
Broadly held+69

Quarterly Activity

vs Dec 31, 2025
New
5
Increased
6
Decreased
10
Sold Out
3
Unchanged
13
Holder count: +2
Institutional value: -34.7%
Shares held: -35.0%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 34 of 34
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 847411 CUSIP 59318B108 Visit website Investor relations