Seagate HDD Cayman (stx 3.5 06/01/28)

13F holders, Q3 2025 (September 30)
10holders +1
3new positions
2sold out
1famous investor
$3.47avg. 13F price*

At the end of Q3 2025, 10 institutions reported holding Seagate HDD Cayman (stx 3.5 06/01/28) in their 13F filings, up 1 from Q2 2025. 3 opened new positions and 2 sold out. The largest holders were Millennium Management ($50.4M), Loomis Sayles & Co. L P ($13.3M) and BNP PARIBAS ASSET MANAGEMENT Holding S.A. ($12.9M). One famous investor held it Israel Englander (0.0% 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

051015 Q3 2024: 12Q3 2024Q4 2024: 11Q4 2024Q1 2025: 9Q1 2025Q2 2025: 9Q2 2025Q3 2025: 10Q3 2025Q4 2025: 11Q4 2025Q1 2026: 10Q1 2026Q2 2026: 6Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions3$1.1M
Exits2$18.6M

All 13F filers, Q2 2025 → Q3 2025: 37,951 shares bought and 32,414,722 shares sold, net −32,376,771 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 10 holders

Millennium Management 0.04% Reduce -58.8% 17,500,000 $50.4M
Loomis Sayles & Co. L P 0.02% Reduce -45.0% 56,428 $13.3M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.03% No change 4,500,000 $12.9M
Bank of New York Mellon Corp 0.00% Reduce -4.5% 1,050,000 $3.0M
Police & Firemen's Retirement System of New Jersey 0.01% Reduce -58.0% 380,000 $1.1M
Independent Financial Group, LLC 0.02% New 4,387 $1.0M
Sei Investments Co. 0.00% No change 240,000 $691K
Boussard & Gavaudan Investment Management LLP 0.02% Add +184.0% 25,564 $72K
&partners 0.00% New 16,000 $45K
Northwestern Mutual Wealth Management Co. 0.00% New 1,000 $3K

"% 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.