ENTEGRIS INC (ENTG) Institutional Ownership Changes & 13F Activity

ENTEGRIS INC (ENTG) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Durable Capital Partners, Cantillon Capital Management, Lone Pine Capital, Mairs & Power Growth Fund, and Torray Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2016Renaissance Technologies LLCBuy149,690149,690$2,039
Q3 2015Olstein Capital ManagementSell-270,000196,000$2,585
Q2 2015Olstein Capital ManagementSell-27,000466,000$6,790
Q1 2015Olstein Capital ManagementSell-10,000493,000$6,749
Q4 2014Olstein Capital ManagementBuy31,000503,000$6,645
Q3 2014Olstein Capital ManagementSell-67,000472,000$5,428
Q2 2014Olstein Capital ManagementSell-78,600539,000$7,409
Q1 2014Olstein Capital ManagementSell-55,400617,600$7,479
Q4 2013Olstein Capital ManagementSell-65,000673,000$7,800
Q3 2013Olstein Capital ManagementBuy28,000738,000$7,498
Q2 2013Olstein Capital ManagementBuy710,000710,000$6,663

Frequently asked questions about ENTG activity

  • Which institutional owners are buying ENTG?

    Institutional owners buying ENTG 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 ENTG activity?

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

  • Is institutional interest in ENTG increasing?

    Institutional interest in ENTG 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.

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