Mistras Group Inc. (MG)

SERVICES-ENGINEERING SERVICES

Mistras Group Inc. (MG) is listed on the New York Stock Exchange, where it has traded since October 8, 2009.

Listed On
the New York Stock Exchange
Listed Since
October 8, 2009
Employees
4,800
Market Cap
$686M

About Mistras Group Inc.

MISTRAS Group Inc provides asset protection solutions and systems. The company evaluates the structural integrity and reliability of critical energy, industrial, and public infrastructure. The company's three operating segments are North America, International, and Products and Systems, of which key revenue is derived from the North America segment. The North America segment provides asset protection solutions, including NDT, inspection, and mechanical and engineering services, along with software, digital, and data services.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 133 institutions reported holding MG, with 19.2 million shares worth $335.1 million in aggregate. The largest reported holder was Mill Road Capital Management, with 1.9 million shares worth $33.7 million. Of the 5 largest holders listed below, 3 added shares and 2 reduced their positions during the quarter.

InstitutionSharesValueQuarter change
Mill Road Capital Management1,929,509$34MAdded 3.15%
Dimensional Fund Advisors1,700,793$30MReduced 0.17%
Royce & Associates1,580,728$28MAdded 3.11%
Weber Capital Management LLC /Adv1,448,154$25MReduced 0.61%
Vanguard1,331,832$23MAdded 19.52%

Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.

Frequently asked questions

What is MG?

Mistras Group Inc. (MG) is listed on the New York Stock Exchange, where it has traded since October 8, 2009.

Who are the largest institutional holders of MG?

In 13F filings for the quarter ended June 30, 2026, the largest reported holders of MG were Mill Road Capital Management, Dimensional Fund Advisors and Royce & Associates.

How many institutions own MG?

133 institutions reported a position in MG for the quarter ended June 30, 2026, worth $335.1 million in total.

Did institutions buy or sell MG last quarter?

Of the 5 largest reported holders, 3 added shares and 2 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for MG.

Every reported institutional holder, plus insider and congressional trades in MG, on SentiSense.