STX
Seagate Technology Holdings plc · Technology · Computer Hardware
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 178 | +7 | 149.79M | $144.19B | +10 | −4 |
| Q1 2026 | 175 | +8 | 161.32M | $60.73B | +9 | −2 |
| Q4 2025 | 167 | -1 | 286.32M | $48.08B | +1 | −1 |
| Q3 2025 | 25 | +2 | 121.83M | $24.68B | +2 | −1 |
| Q2 2025 | 21 | +2 | 112.89M | $10.24B | +3 | −1 |
| Q1 2025 | 16 | -3 | 19.10M | $1.63B | n/a | −3 |
| Q4 2024 | 19 | 0 | 51.85M | $2.10B | +2 | −2 |
| Q3 2024 | 18 | +4 | 61.19M | $1.84B | +4 | n/a |
| Q2 2024 | 14 | n/a | 13.27M | $1.37B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 3.84M | n/a | $395.89M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 2 | Arrowstreet Capital ✦ | 3.51M | n/a | $361.99M | 0.3% | n/c | 1 | SEC ↗ |
| 3 | Duquesne Family Office ✦ | 1.76M | n/a | $181.27M | 6.4% | n/c | 1 | SEC ↗ |
| 4 | Millennium Management ✦ | 913.44K | n/a | $94.33M | 0.1% | n/c | 1 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 806.55K | n/a | $83.29M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 6 | T. Rowe Price ✦ | 699.20K | n/a | $72.21M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 7 | PRIMECAP Management ✦ | 582.29K | n/a | $60.13M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Two Sigma Investments ✦ | 498.81K | n/a | $51.51M | 0.1% | n/c | 1 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 323.40K | n/a | $33.40M | 0.1% | n/c | 1 | SEC ↗ ×4 |
| 10 | Renaissance Technologies ✦ | 120.89K | n/a | $12.48M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Norges Bank ✦ (passive) | 120.89K | n/a | $12.48M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 47.38K | n/a | $4.89M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Wellington Management ✦ | 32.38K | n/a | $3.34M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 14 | Gotham Asset Management ✦ | 24.27K | n/a | $2.51M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,440 holders, 178.17M shares, $68.20B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 40 sh · $35,622
Officer · 160 sh · $138,897
Officer · 915 sh · $818,257
Officer · 974 sh · $852,590
Officer · 40 sh · $35,451
Officer · 40 sh · $36,083
Officer · 760 sh · $666,174
Officer · 80 sh · $71,782
Officer · 520 sh · $453,212
Officer · 986 sh · $862,261
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology