MATRIX SERVICE CO (MTRX) Stock Institutional Trading Activity


MATRIX SERVICE CO (MTRX) 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, and ARK Invest. 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 LLCBuy6,000250,600$2,932,020
Q3 2025Renaissance Technologies LLCBuy11,400244,600$3,199,368
Q3 2025First Eagle U.S. ValueBuy72,680581,874$7,610,912
Q2 2025Renaissance Technologies LLCBuy17,400233,200$3,150,532
Q2 2025First Eagle U.S. ValueBuy192,000509,194$6,879,211
Q1 2025Renaissance Technologies LLCBuy11,600215,800$2,682,394
Q1 2025First Eagle U.S. ValueBuy317,194317,194$3,942,721
Q4 2024Renaissance Technologies LLCSell-4,900204,200$2,444,274
Q3 2024Renaissance Technologies LLCBuy5,400209,100$2,410,923
Q2 2024Renaissance Technologies LLCBuy8,900203,700$2,022,741
Q1 2024Renaissance Technologies LLCBuy4,241194,800$2,538
Q4 2023Renaissance Technologies LLCBuy63,359190,559$1,864
Q3 2023Renaissance Technologies LLCSell-66,844127,200$1,501
Q2 2023Renaissance Technologies LLCSell-44,306194,044$1,143
Q1 2023Renaissance Technologies LLCBuy147,350238,350$1,287
Q4 2022Renaissance Technologies LLCBuy1,70091,000$566
Q3 2022Renaissance Technologies LLCBuy15,70089,300$370
Q2 2022Renaissance Technologies LLCSell-184,55973,600$372
Q4 2021Renaissance Technologies LLCBuy239,100258,159$1,941
Q4 2020Renaissance Technologies LLCSell-63,70019,059$210
Q3 2020Renaissance Technologies LLCBuy31,25982,759$691
Q1 2020Renaissance Technologies LLCBuy14,40051,500$488
Q4 2019Renaissance Technologies LLCSell-21,65937,100$849
Q3 2019Renaissance Technologies LLCSell-13,94158,759$1,007
Q2 2019ARK InvestBuy35,99535,995$729
Q1 2019Renaissance Technologies LLCSell-114,75972,700$1,423
Q4 2018Renaissance Technologies LLCBuy66,300187,459$3,363
Q3 2018Renaissance Technologies LLCBuy110,400121,159$2,987
Q4 2017Renaissance Technologies LLCSell-156,80010,759$192
Q3 2017Renaissance Technologies LLCBuy63,133167,559$2,547

Frequently asked questions about MTRX activity

  • Which institutional owners are buying MTRX?

    Institutional owners buying MTRX 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 MTRX activity?

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

  • Is institutional interest in MTRX increasing?

    Institutional interest in MTRX 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.