Skip to main content
MG logo

MG · Mistras Group, Inc.

Track MG — free
$19.51 +0.06 (+0.31%) At close · Aug 20
Market Cap
$619.48M
Shares
31.85M

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: 137
Total Value: $345,158,548
Total Shares: 19,757,220

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 137 13F filers · Δ vs Mar 31, 2026
Top Holder
9.8%
Sep 2023 → Jun 2026 · range 9.3% – 11.6%
−0.4 pts
Top 5
39.6%
Sep 2023 → Jun 2026 · range 39.6% – 49.3%
−2.2 pts
Top 10
59.3%
Sep 2023 → Jun 2026 · range 59.3% – 71.2%
−1.3 pts
HHI
450
Sep 2023 → Jun 2026 · range 450 – 618
Broadly held−25

Quarterly Activity

vs Mar 31, 2026
New
25
Increased
57
Decreased
29
Sold Out
18
Unchanged
26
Holder count: +7
Institutional value: +27.1%
Shares held: +7.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 141
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 1436126 CUSIP 60649T107 13F (30d) 127 filings 127 filers Visit website Investor relations