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 2019Renaissance Technologies LLCBuy126,997391,797$24,041
Q2 2019Renaissance Technologies LLCBuy93,300264,800$17,956
Q1 2019Renaissance Technologies LLCBuy12,100171,500$9,786
Q4 2018Renaissance Technologies LLCBuy76,787159,400$7,171
Q3 2018Renaissance Technologies LLCBuy8,51382,613$4,998
Q1 2018Renaissance Technologies LLCBuy62,70074,100$3,783
Q4 2017Renaissance Technologies LLCSell-11,70011,400$554
Q2 2016Renaissance Technologies LLCSell-24,00023,100$572
Q1 2016Renaissance Technologies LLCBuy26,35047,100$1,247
Q4 2015Renaissance Technologies LLCBuy20,75020,750$581

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.