STX
Seagate Technology Holdings plc · Technology · Computer Hardware
Momentum inputs (comparable managers):
holder breadth -15.8% ·
share flow -30.0% ·
net new positions -18.8%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 180 | +7 | 150.92M | $145.24B | +10 | −2 |
| 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 | — | −3 |
| Q4 2024 | 19 | 0 | 51.85M | $2.10B | +2 | −2 |
| Q3 2024 | 18 | +4 | 61.19M | $1.84B | +4 | — |
| Q2 2024 | 14 | — | 13.27M | $1.37B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 8.57M | -1.6% | $734.13M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 8.57M | -1.6% | $734.13M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 4.48M | +4.3% | $379.44M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 4.48M | +4.3% | $379.44M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | Point72 Asset Management ✦ | 1.37M | -25.0% | $116.38M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 6 | Point72 Asset Management ✦ | 1.37M | -25.0% | $116.38M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 7 | Wellington Management ✦ | 934.00K | +3339.4% | $79.34M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | Wellington Management ✦ | 934.00K | +3339.4% | $79.34M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Wellington Management ✦ | 934.00K | +3339.4% | $79.34M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | Wellington Management ✦ | 934.00K | +3339.4% | $79.34M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | Wellington Management ✦ | 934.00K | +3339.4% | $79.34M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | Wellington Management ✦ | 934.00K | +3339.4% | $79.34M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | Wellington Management ✦ | 934.00K | +3339.4% | $79.34M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | Wellington Management ✦ | 934.00K | +3339.4% | $79.34M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | Wellington Management ✦ | 934.00K | +3339.4% | $79.34M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | PRIMECAP Management ✦ | 830.46K | +9.0% | $70.55M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 17 | Millennium Management ✦ | 660.80K | -97.7% | $56.14M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 640.82K | -5.2% | $53.82M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 640.82K | -5.2% | $53.82M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 640.82K | -5.2% | $53.82M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 640.82K | -5.2% | $53.82M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 640.82K | -5.2% | $53.82M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 640.82K | -5.2% | $53.82M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 24 | AQR Capital Management ✦ | 640.82K | -5.2% | $53.82M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 25 | AQR Capital Management ✦ | 640.82K | -5.2% | $53.82M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 26 | Norges Bank ✦ (passive) | 600.46K | +101.4% | $51.01M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | T. Rowe Price ✦ | 309.49K | +3.5% | $26.29M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 28 | T. Rowe Price ✦ | 309.49K | +3.5% | $26.29M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | Citadel Advisors ✦ | 236.19K | -61.0% | $20.06M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 30 | Citadel Advisors ✦ | 236.19K | -61.0% | $20.06M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 31 | Duquesne Family Office ✦ | 219.48K | -86.0% | $18.64M | 0.6% | ▼ Trim | 4 | SEC ↗ |
| 32 | Marshall Wace ✦ | 83.46K | -90.7% | $7.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 33 | Renaissance Technologies ✦ | 71.99K | -93.0% | $6.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 34 | Gotham Asset Management ✦ | 71.91K | +59.3% | $6.11M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 35 | D. E. Shaw & Co. ✦ | 14.47K | -90.7% | $1.23M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 36 | Two Sigma Investments ✦ | 10.95K | -94.0% | $929,863 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 37 | Two Sigma Investments ✦ | 10.95K | -94.0% | $929,863 | 0.0% | ▼ Trim | 4 | 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
| Arrowstreet Capital | $105.63M | was 0.1% |
| Adage Capital Partners | $8.12M | was 0.0% |
| Bridgewater Associates | $2.47M | was 0.0% |
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, Director · 3.44K sh · $2.92M
Officer · 2.03K sh · $1.72M
Officer · 668 sh · $567,157
Officer · 608 sh · $516,832
Officer, Director · 11.31K sh · $9.60M
Officer · 2.52K sh · $2.14M
Officer, Director · 3.39K sh · $2.88M
Officer · 2.71K sh · $2.30M
Officer · 755 sh · $641,263
Officer · 4.90K sh · $4.16M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology