ATI INC (ATI) Stock Institutional Trading Activity
ATI INC (ATI) 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 Renaissance Technologies LLC, ARK Invest, Sequoia Financial Advisors, Alta Fox Capital Management, and First Eagle U.S. Value. 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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- ATI INC (ATI) stock institutional ownership
- ATI INC (ATI) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2016 | First Eagle U.S. Value | Buy | 934,543 | 942,043 | $15,007 |
| Q3 2016 | Sequoia Financial Advisors | Buy | 72,926 | 72,926 | $1,318 |
| Q3 2016 | Renaissance Technologies LLC | Buy | 660,500 | 1,222,692 | $22,094 |
| Q2 2016 | Renaissance Technologies LLC | Buy | 562,192 | 562,192 | $7,168 |
| Q1 2014 | First Eagle U.S. Value | Buy | 7,500 | 7,500 | $283 |
Frequently asked questions about ATI activity
Which institutional owners are buying ATI?
Institutional owners buying ATI 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 ATI activity?
"Buy" means an investor increased their reported position in ATI compared to the prior reporting period. This reflects growing exposure to ATI INC (ATI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ATI increasing?
Institutional interest in ATI 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.