MATERION CORP (MTRN) Stock Institutional Trading Activity


MATERION CORP (MTRN) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include First Eagle U.S. Value, Renaissance Technologies LLC, 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
Q3 2025ARK InvestSell-207694$83,842
Q3 2025Renaissance Technologies LLCSell-50011,900$1,437,639
Q3 2025First Eagle U.S. ValueBuy24,50024,500$2,959,845
Q2 2025ARK InvestBuy94901$71,512
Q2 2025Renaissance Technologies LLCSell-19,90012,400$984,188
Q1 2025ARK InvestSell-38807$65,851
Q1 2025Renaissance Technologies LLCBuy23,82732,300$2,635,680
Q4 2024ARK InvestBuy85845$83,554
Q4 2024Renaissance Technologies LLCSell-25,4278,473$837,810
Q3 2024ARK InvestBuy760760$85,014
Q3 2024Renaissance Technologies LLCSell-2,00033,900$3,792,054
Q2 2024Renaissance Technologies LLCBuy22,30035,900$3,881,867
Q1 2024Renaissance Technologies LLCSell-11,10713,600$1,792
Q4 2023Renaissance Technologies LLCSell-18,99924,707$3,215
Q3 2023Renaissance Technologies LLCSell-30,00143,706$4,454
Q2 2023Renaissance Technologies LLCBuy2,50073,707$8,417
Q1 2023Renaissance Technologies LLCSell-21,40071,207$8,260
Q4 2022Renaissance Technologies LLCSell-47,50092,607$8,104
Q3 2022Renaissance Technologies LLCSell-70,500140,107$11,209
Q2 2022Renaissance Technologies LLCBuy5,100210,607$15,528
Q1 2022Renaissance Technologies LLCSell-4,900205,507$17,620
Q4 2021Renaissance Technologies LLCSell-13,804210,407$19,345
Q3 2021Renaissance Technologies LLCSell-57,800224,211$15,390
Q2 2021Renaissance Technologies LLCSell-139,500282,011$21,250
Q1 2021Renaissance Technologies LLCSell-30,300421,511$27,921
Q4 2020Renaissance Technologies LLCSell-73,083451,811$28,789
Q3 2020Renaissance Technologies LLCBuy43,483524,894$27,310
Q2 2020Renaissance Technologies LLCSell-55,700481,411$29,602
Q1 2020Renaissance Technologies LLCBuy98,716537,111$18,804
Q4 2019Renaissance Technologies LLCBuy46,598438,395$26,063

Frequently asked questions about MTRN activity

  • Which institutional owners are buying MTRN?

    Institutional owners buying MTRN 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 MTRN activity?

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

  • Is institutional interest in MTRN increasing?

    Institutional interest in MTRN 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.