Seagate Technology Holdings plc (STX) ownership: Top institutional holder: VANGUARD GROUP INC ($7.74B). Insider activity: Net Seller (0 buys, 20 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 28119431.00 | $7.74B | 2025-12-31 |
| BlackRock, Inc. | 14274083.00 | $5.59B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 14155673.00 | $5.55B | 2026-03-31 |
| Sanders Capital, LLC | 12897201.00 | $5.05B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 11094908.00 | $4.35B | 2026-03-31 |
| STATE STREET CORP | 9321632.00 | $3.66B | 2026-03-31 |
| FMR LLC | 8176918.00 | $3.20B | 2026-03-31 |
| JPMORGAN CHASE & CO | 6659239.00 | $2.41B | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.