APPLIED MATERIALS INC (AMAT) Stock Institutional Trading Activity
APPLIED MATERIALS INC (AMAT) 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 Cantillon Capital Management, Cullen Value Fund, Matrix Advisors Value Fund, Eagle Capital Management, and Parnassus Endeavor 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 2021 | Cantillon Capital Management | Sell | -62,502 | 3,668,926 | $472,301 |
| Q3 2021 | Vulcan Value Partners | Buy | 2,995,539 | 6,067,153 | $781,025 |
| Q2 2021 | Lountzis Asset Management | Sell | -25 | 111,525 | $15,880 |
| Q2 2021 | Parnassus Endeavor Fund | Sell | -2,073,988 | 6,703,595 | $954,592 |
| Q2 2021 | Sequoia Financial Advisors | Buy | 181 | 3,489 | $497 |
| Q2 2021 | Mairs & Power Growth Fund | Sell | -51 | 5,477 | $780 |
| Q2 2021 | Eagle Capital Management | Buy | 28,453 | 28,453 | $4,052 |
| Q2 2021 | Vulcan Value Partners | Buy | 3,071,614 | 3,071,614 | $437,398 |
| Q2 2021 | Cantillon Capital Management | Sell | -45,110 | 3,731,428 | $531,355 |
| Q1 2021 | Lountzis Asset Management | Sell | -610 | 111,550 | $14,902,278 |
| Q1 2021 | Parnassus Endeavor Fund | Sell | -6,557,904 | 8,777,583 | $1,172,685 |
| Q1 2021 | Sequoia Financial Advisors | Buy | 78 | 3,308 | $442 |
| Q1 2021 | Mairs & Power Growth Fund | Sell | -200 | 5,528 | $739 |
| Q1 2021 | Cantillon Capital Management | Sell | -113,787 | 3,776,538 | $504,546 |
| Q4 2020 | Lountzis Asset Management | Buy | 112,160 | 112,160 | $9,679 |
| Q4 2020 | Sound Shore Management | Sell | -624,249 | 806,715 | $69,620 |
| Q4 2020 | Parnassus Endeavor Fund | Sell | -251,760 | 15,335,487 | $1,323,453 |
| Q4 2020 | Sequoia Financial Advisors | Sell | -3,919 | 3,230 | $279 |
| Q4 2020 | Mairs & Power Growth Fund | Buy | 51 | 5,728 | $494 |
| Q4 2020 | Renaissance Technologies LLC | Sell | -163,200 | 1,221,748 | $105,437 |
| Q4 2020 | Cantillon Capital Management | Sell | -35,059 | 3,890,325 | $335,735 |
| Q3 2020 | Sound Shore Management | Buy | 178,577 | 1,430,964 | $85,071 |
| Q3 2020 | Parnassus Endeavor Fund | Sell | -1,183,051 | 15,587,247 | $926,662 |
| Q3 2020 | Baupost Group | Buy | 2,306,601 | 2,306,601 | $137,127 |
| Q3 2020 | Cantillon Capital Management | Sell | -43,488 | 3,925,384 | $233,364 |
| Q2 2020 | Sound Shore Management | Sell | -17,401 | 1,252,387 | $75,707 |
| Q2 2020 | Parnassus Endeavor Fund | Buy | 3,076,397 | 16,770,298 | $1,013,765 |
| Q2 2020 | Mairs & Power Growth Fund | Sell | -2,035 | 5,677 | $343 |
| Q2 2020 | Cantillon Capital Management | Buy | 1,529,635 | 3,968,872 | $239,919 |
| Q1 2020 | Sound Shore Management | Sell | -587,647 | 1,269,788 | $58,182 |
Frequently asked questions about AMAT activity
Which institutional owners are buying AMAT?
Institutional owners buying AMAT 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 AMAT activity?
"Buy" means an investor increased their reported position in AMAT compared to the prior reporting period. This reflects growing exposure to APPLIED MATERIALS INC (AMAT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in AMAT increasing?
Institutional interest in AMAT 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.