SEAGATE TECHNOLOGY HLDNGS PL (STX) Stock Institutional Trading Activity
SEAGATE TECHNOLOGY HLDNGS PL (STX) 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 Renaissance Technologies LLC, Egerton Capital UK, Sequoia Financial Advisors, Causeway Capital Management, and Thunderbird Partners. 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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- SEAGATE TECHNOLOGY HLDNGS PL (STX) stock institutional ownership
- SEAGATE TECHNOLOGY HLDNGS PL (STX) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2023 | Baupost Group | Buy | 136,077 | 136,077 | $8,997 |
| Q1 2023 | Viking Global Investors | Sell | -684,976 | 5,513,957 | $364,582,837 |
| Q4 2022 | Renaissance Technologies LLC | Buy | 311,627 | 1,577,993 | $83,018 |
| Q4 2022 | Viking Global Investors | Buy | 6,198,933 | 6,198,933 | $326,125,865 |
| Q3 2022 | Renaissance Technologies LLC | Buy | 970,673 | 1,266,366 | $67,409 |
| Q2 2022 | Renaissance Technologies LLC | Sell | -198,700 | 295,693 | $21,124 |
| Q1 2022 | Renaissance Technologies LLC | Sell | -465,100 | 494,393 | $44,446 |
| Q1 2022 | ValueAct Holdings | Sell | -2,050,000 | 13,437,070 | $1,207,993 |
| Q4 2021 | Sequoia Financial Advisors | Buy | 4,456 | 4,456 | $503 |
| Q4 2021 | Renaissance Technologies LLC | Buy | 959,493 | 959,493 | $108,404 |
| Q4 2021 | ValueAct Holdings | Sell | -1,890,000 | 15,487,070 | $1,749,729 |
| Q2 2021 | ValueAct Holdings | Buy | 17,377,070 | 17,377,070 | $1,527,966 |
Frequently asked questions about STX activity
Which institutional owners are buying STX?
Institutional owners buying STX 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 STX activity?
"Buy" means an investor increased their reported position in STX compared to the prior reporting period. This reflects growing exposure to SEAGATE TECHNOLOGY HLDNGS PL (STX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in STX increasing?
Institutional interest in STX 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.