MISTRAS GROUP INC (MG) Stock Institutional Trading Activity


MISTRAS GROUP INC (MG) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, First Eagle U.S. Value, Olstein Capital Management, and Vulcan Value Partners. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCBuy20,800201,600$2,550,240
Q3 2025Renaissance Technologies LLCSell-80,200180,800$1,779,072
Q2 2025Renaissance Technologies LLCSell-1,000261,000$2,090,610
Q1 2025Renaissance Technologies LLCBuy107,500262,000$2,771,960
Q4 2024Renaissance Technologies LLCSell-21,700154,500$1,399,770
Q3 2024Renaissance Technologies LLCBuy71,300176,200$2,003,394
Q2 2024Renaissance Technologies LLCBuy11,100104,900$869,621
Q1 2024Renaissance Technologies LLCBuy9,50093,800$897
Q4 2023Renaissance Technologies LLCSell-1,40084,300$617
Q3 2023Renaissance Technologies LLCBuy8,00085,700$467
Q2 2023Renaissance Technologies LLCBuy31,50077,700$600
Q1 2023Renaissance Technologies LLCBuy7,40046,200$313
Q4 2022Renaissance Technologies LLCSell-90038,800$191
Q3 2022Renaissance Technologies LLCBuy4,10039,700$177
Q2 2022Renaissance Technologies LLCSell-30,70035,600$211
Q1 2022Renaissance Technologies LLCBuy30,30266,300$438
Q4 2021Renaissance Technologies LLCBuy22,29835,998$267
Q3 2021Renaissance Technologies LLCSell-3,40013,700$139
Q3 2021First Eagle U.S. ValueBuy17,64920,667$210
Q2 2021First Eagle U.S. ValueBuy3,0183,018$30
Q2 2021Renaissance Technologies LLCSell-39,10017,100$168
Q1 2021Renaissance Technologies LLCBuy19,80056,200$641
Q4 2020Renaissance Technologies LLCSell-43,03836,400$282
Q3 2020Renaissance Technologies LLCSell-252,50279,438$311
Q2 2020Renaissance Technologies LLCSell-270,900331,940$1,311
Q1 2020Renaissance Technologies LLCBuy155,300602,840$2,568
Q4 2019Renaissance Technologies LLCSell-102,100447,540$6,386
Q3 2019Renaissance Technologies LLCBuy102,400549,640$9,014
Q2 2019Renaissance Technologies LLCSell-25,300447,240$6,427
Q1 2019Renaissance Technologies LLCBuy111,000472,540$6,526

Frequently asked questions about MG activity

  • Which institutional owners are buying MG?

    Institutional owners buying MG include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MG activity?

    "Buy" means an investor increased their reported position in MG compared to the prior reporting period. This reflects growing exposure to MISTRAS GROUP INC (MG) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MG increasing?

    Institutional interest in MG can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.