ENTEGRIS INC (ENTG) Stock Institutional Trading Activity
ENTEGRIS INC (ENTG) 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 Lone Pine Capital, Mairs & Power Growth Fund, Cantillon Capital Management, Durable Capital Partners, and Torray Fund. 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 quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q3 2024 | Torray Fund | Buy | 290 | 15,137 | $1,703,367 |
| Q3 2024 | Sequoia Financial Advisors | Buy | 600 | 2,335 | $262,760 |
| Q3 2024 | First Eagle U.S. Value | Buy | 1,050 | 6,562 | $738,422 |
| Q3 2024 | Mairs & Power Growth Fund | Buy | 111,194 | 1,043,732 | $117,451,162 |
| Q3 2024 | Durable Capital Partners | Buy | 535,605 | 1,745,006 | $196,365,525 |
| Q3 2024 | Cantillon Capital Management | Sell | -69,402 | 2,324,461 | $261,571,597 |
| Q2 2024 | Torray Fund | Buy | 1,470 | 14,847 | $2,010,284 |
| Q2 2024 | Sequoia Financial Advisors | Buy | 290 | 1,735 | $234,921 |
| Q2 2024 | First Eagle U.S. Value | Buy | 1,430 | 5,512 | $746,324 |
| Q2 2024 | Mairs & Power Growth Fund | Sell | -14,951 | 932,538 | $126,265,645 |
| Q2 2024 | Durable Capital Partners | Buy | 480,508 | 1,209,401 | $163,752,895 |
| Q2 2024 | Cantillon Capital Management | Sell | -122,028 | 2,393,863 | $324,129,050 |
| Q1 2024 | Torray Fund | Sell | -472 | 13,377 | $1,953,506 |
| Q1 2024 | Sequoia Financial Advisors | Buy | 1,445 | 1,445 | $203,083 |
| Q1 2024 | Durable Capital Partners | Buy | 336,338 | 728,893 | $102,438,622 |
| Q1 2024 | Mairs & Power Growth Fund | Sell | -50,670 | 947,489 | $133,160,104 |
| Q1 2024 | Cantillon Capital Management | Sell | -50,406 | 2,515,891 | $353,583,321 |
| Q4 2023 | Torray Fund | Buy | 472 | 13,849 | $1,659,387 |
| Q4 2023 | First Eagle U.S. Value | Buy | 795 | 4,082 | $489,105 |
| Q4 2023 | Durable Capital Partners | Buy | 244,898 | 392,555 | $47,035,940 |
| Q4 2023 | Mairs & Power Growth Fund | Sell | -139,606 | 998,159 | $119,599,411 |
| Q4 2023 | Cantillon Capital Management | Sell | -61,560 | 2,566,297 | $307,493,707 |
| Q3 2023 | Torray Fund | Buy | 160 | 13,377 | $1,256,234 |
| Q3 2023 | First Eagle U.S. Value | Buy | 1,800 | 3,287 | $308,683 |
| Q3 2023 | Mairs & Power Growth Fund | Buy | 12,583 | 1,137,765 | $106,847,511 |
| Q3 2023 | Cantillon Capital Management | Sell | -461,093 | 2,627,857 | $246,782,051 |
| Q2 2023 | Torray Fund | Buy | 79 | 13,217 | $1,464,708 |
| Q2 2023 | Renaissance Technologies LLC | Sell | -2,600 | 1,910 | $212 |
| Q2 2023 | First Eagle U.S. Value | Sell | -339,813 | 1,487 | $164,790 |
| Q2 2023 | Durable Capital Partners | Buy | 147,657 | 147,657 | $16,363,349 |
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.