ATS CORP (ATS) Stock Institutional Trading Activity
ATS CORP (ATS) 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 Turtle Creek Asset Management, Fairfax Financial Holdings, and Renaissance Technologies LLC. 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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- ATS CORP (ATS) stock institutional ownership
- ATS CORP (ATS) stock insider trading activity
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2025 | Turtle Creek Asset Management | Sell | -1,330,958 | 5,642,052 | $155,382,112 |
| Q3 2025 | Turtle Creek Asset Management | Sell | -617,528 | 6,973,010 | $182,692,862 |
| Q2 2025 | Turtle Creek Asset Management | Sell | -710,990 | 7,590,538 | $241,986,351 |
| Q1 2025 | Turtle Creek Asset Management | Sell | -37,045 | 8,301,528 | $206,957,093 |
| Q4 2024 | Fairfax Financial Holdings | Buy | 2,429,700 | 2,486,400 | $73,870,688 |
| Q4 2024 | Turtle Creek Asset Management | Sell | -567,696 | 8,338,573 | $254,159,705 |
| Q3 2024 | Turtle Creek Asset Management | Buy | 3,810,531 | 8,906,269 | $258,727,114 |
| Q3 2024 | Fairfax Financial Holdings | Buy | 16,700 | 56,700 | $1,626,775 |
| Q2 2024 | Turtle Creek Asset Management | Buy | 1,220,008 | 5,095,738 | $164,643,295 |
| Q1 2024 | Turtle Creek Asset Management | Buy | 982,700 | 3,875,730 | $130,689,616 |
| Q1 2024 | Renaissance Technologies LLC | Sell | -16,200 | 19,100 | $643 |
| Q4 2023 | Turtle Creek Asset Management | Buy | 484,050 | 2,893,030 | $124,602,802 |
| Q4 2023 | Renaissance Technologies LLC | Sell | -54,400 | 35,300 | $1,526 |
| Q3 2023 | Turtle Creek Asset Management | Buy | 79,849 | 2,408,980 | $102,670,728 |
| Q3 2023 | Renaissance Technologies LLC | Buy | 79,400 | 89,700 | $3,831 |
| Q2 2023 | Turtle Creek Asset Management | Buy | 2,329,131 | 2,329,131 | $107,349,648 |
| Q2 2023 | Renaissance Technologies LLC | Buy | 10,300 | 10,300 | $474 |
| Q2 2023 | Fairfax Financial Holdings | Buy | 40,000 | 40,000 | $1,840,922 |
Frequently asked questions about ATS activity
Which institutional owners are buying ATS?
Institutional owners buying ATS 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 ATS activity?
"Buy" means an investor increased their reported position in ATS compared to the prior reporting period. This reflects growing exposure to ATS CORP (ATS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ATS increasing?
Institutional interest in ATS 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.