Seagate HDD Cayman (stx 3.5 06/01/28)
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 11 institutions reported holding Seagate HDD Cayman (stx 3.5 06/01/28) in their 13F filings, up 1 from Q3 2025. 2 opened new positions and 1 sold out. The largest holders were Millennium Management ($361.1M), Loomis Sayles & Co. L P ($19.8M) and BNP PARIBAS ASSET MANAGEMENT Holding S.A. ($17.1M). One famous investor held it Israel Englander (0.3% of Millennium Management's portfolio).
- Company
- Seagate HDD Cayman (stx 3.5 06/01/28)
- CUSIP
- 81180WBL4
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $51K |
| Exits | 1 | $45K |
All 13F filers, Q3 2025 → Q4 2025: 90,672,817 shares bought and 831,153 shares sold, net +89,841,664 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 11 holders
| Millennium Management | 0.27% | Add +514.3% | 107,500,000 | $361.1M |
| Loomis Sayles & Co. L P | 0.02% | Add +27.2% | 71,793 | $19.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.02% | Add +13.4% | 5,105,000 | $17.1M |
| Police & Firemen's Retirement System of New Jersey | 0.01% | No change | 380,000 | $1.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -66.7% | 350,000 | $1.2M |
| Independent Financial Group, LLC | 0.02% | Reduce -26.3% | 3,234 | $891K |
| Sei Investments Co. | 0.00% | Reduce -47.5% | 126,000 | $423K |
| Boussard & Gavaudan Investment Management LLP | 0.03% | Add +146.2% | 62,947 | $216K |
| NewEdge Advisors, LLC | 0.00% | New | 15,000 | $50K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 1,000 | $3K |
| Oddo BHF Asset Management Sas | 0.00% | New | 69 | $235 |
"% of holder's portfolio" is SEAGATE HDD CAYMAN (STX 3.5 06/01/28)'s weight in each manager's 13F, not the share of Seagate HDD Cayman (stx 3.5 06/01/28) the manager owns.