Institutional shares held 17.6 Million
190K calls
128K puts
Total value of holdings $222M
$2.39M calls
$1.62M puts
Market Cap $376M
29,806,900 Shares Out.
Institutional ownership 59.09%
# of Institutions 121


Latest Institutional Activity in MG

Top Purchases

Q3 2025
Invenomic Capital Management LP Shares Held: 473K ($5.96M)
Q3 2025
Acuitas Investments, LLC Shares Held: 643K ($8.11M)
Q3 2025
Citadel Advisors LLC Shares Held: 240K ($3.03M)
Q3 2025
Goldman Sachs Group Inc Shares Held: 175K ($2.21M)
Q3 2025
Millennium Management LLC Shares Held: 358K ($4.51M)

Top Sells

Q3 2025
J. Goldman & CO LP Shares Held: 422K ($5.32M)
Q3 2025
Csm Advisors, LLC Shares Held: 269K ($3.39M)
Q3 2025
Renaissance Technologies LLC Shares Held: 181K ($2.28M)
Q3 2025
Jacobs Levy Equity Management, Inc Shares Held: 147K ($1.86M)
Q3 2025
Arrowstreet Capital, Limited Partnership Shares Held: 81.9K ($1.03M)

About MG

Mistras Group, Inc. provides technology-enabled asset protection solutions worldwide. The company operates through three segments: Services, International, and Products and Systems. It offers non-destructive testing services; predictive maintenance assessments of fixed and rotating assets; inline inspection for pipelines; and develops enterprise inspection database management software and plant condition management software. The company also provides maintenance and light mechanical services, such as corrosion removal, mitigation and prevention, insulation installation and removal, electrical, heat tracing, industrial cleaning, pipefitting, and welding; engineering consulting services primarily for process equipment, technologies, and facilities; and utilizes scaffolding and rope access to access at-height and confined assets. In addition, it offers certified divers for subsea inspection and maintenance; unmanned aerial, land-based, and subsea systems for inspection applications; online condition-monitoring solutions; quality assurance and quality control solutions for new and existing metal and alloy components, materials, and composites. Further, the company designs and installs monitoring systems, as well as provides commissioning, training, reporting, technical support, and annual maintenance services; Web-based solutions; and custom-developed software. Additionally, it designs, manufactures, and sells acoustic emission sensors, instruments, and turnkey systems for monitoring and testing materials, pressure components, processes, and structures, as well as automated ultrasonic systems and scanners. The company serves oil and gas, commercial aerospace and defense, fossil and nuclear power, alternative and renewable energy, industrial, public infrastructure, petrochemical, transportation, and process industries, as well as research and engineering institutions. Mistras Group, Inc. was founded in 1978 and is headquartered in Princeton Junction, New Jersey.


Insider Transactions at MG

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
2.45M Shares
From 15 Insiders
Grant, award, or other acquisition 173K shares
Open market or private purchase 55K shares
Acquisition or disposition by will or laws 2.22M shares
Sell / Disposition
4.7M Shares
From 5 Insiders
Bona fide gift 4.69M shares
Payment of exercise price or tax liability 12.8K shares

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