STX
Seagate Technology Holdings plc · Technology · Computer Hardware
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -25.8% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| 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) | 8.71M | — | $757.60M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 8.71M | — | $757.60M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 4.30M | +3.2% | $370.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 4.30M | +3.2% | $370.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Point72 Asset Management ✦ | 1.83M | +50.4% | $157.65M | 0.4% | ▲ Add | 2 | SEC ↗ |
| 6 | Duquesne Family Office ✦ | 1.56M | -4.7% | $135.00M | 3.8% | ▼ Trim | 3 | SEC ↗ |
| 7 | Millennium Management ✦ | 29.14M | -36.6% | $131.68M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 8 | Millennium Management ✦ | 29.14M | -36.6% | $131.68M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 9 | Arrowstreet Capital ✦ | 1.22M | -61.2% | $105.63M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 10 | Renaissance Technologies ✦ | 1.03M | +41.3% | $88.71M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 11 | Marshall Wace ✦ | 896.09K | New | $77.34M | 0.1% | New | 1 | SEC ↗ |
| 12 | Marshall Wace ✦ | 896.09K | New | $77.34M | 0.1% | New | 1 | SEC ↗ |
| 13 | Marshall Wace ✦ | 896.09K | New | $77.34M | 0.1% | New | 1 | SEC ↗ |
| 14 | PRIMECAP Management ✦ | 762.15K | +26.7% | $65.78M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 675.74K | +10.3% | $58.32M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 675.74K | +10.3% | $58.32M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 675.74K | +10.3% | $58.32M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 675.74K | +10.3% | $58.32M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 675.74K | +10.3% | $58.32M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 675.74K | +10.3% | $58.32M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 675.74K | +10.3% | $58.32M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 22 | Citadel Advisors ✦ | 606.34K | -55.0% | $52.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | Citadel Advisors ✦ | 606.34K | -55.0% | $52.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | Citadel Advisors ✦ | 606.34K | -55.0% | $52.33M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | T. Rowe Price ✦ | 299.05K | -42.3% | $25.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | T. Rowe Price ✦ | 299.05K | -42.3% | $25.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | Norges Bank ✦ (passive) | 298.10K | +88.2% | $25.73M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Two Sigma Investments ✦ | 180.79K | -71.0% | $15.60M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Two Sigma Investments ✦ | 180.79K | -71.0% | $15.60M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | D. E. Shaw & Co. ✦ | 155.06K | +1642.8% | $13.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | D. E. Shaw & Co. ✦ | 155.06K | +1642.8% | $13.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Adage Capital Partners ✦ | 94.10K | +158.5% | $8.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Gotham Asset Management ✦ | 45.14K | +75.4% | $3.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Bridgewater Associates ✦ | 28.58K | New | $2.47M | 0.0% | New | 1 | SEC ↗ |
| 35 | Wellington Management ✦ | 27.16K | -6.4% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Wellington Management ✦ | 27.16K | -6.4% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Wellington Management ✦ | 27.16K | -6.4% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Wellington Management ✦ | 27.16K | -6.4% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 39 | Wellington Management ✦ | 27.16K | -6.4% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Wellington Management ✦ | 27.16K | -6.4% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Wellington Management ✦ | 27.16K | -6.4% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Wellington Management ✦ | 27.16K | -6.4% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $77.34M | 0.1% |
| Marshall Wace | $77.34M | 0.1% |
| Marshall Wace | $77.34M | 0.1% |
| Bridgewater Associates | $2.47M | 0.0% |
Exited
| Glenview Capital | $44.12M | was 0.9% |
| Fisher Asset Management | $320,101 | 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