Seagate Technology Holdings plc
STX- Exchange
- Nasdaq
- Industry
- Computer Storage Devices
- SEC CIK
- 0001137789
Insider trades, last 90 days
0 buys · 34 sells
- Sold $379.11M
- Open-market purchases (P) and sales (S), counted by Form 4 filing.
13F holders, Q2 2026
1,973
- +501 vs. Q1 2026
- Total value $181.17B
Superinvestors holding STX
5
- At the end of Q2 2026
Price chart
Latest insider trades
View all: Latest insider tradesOpen-market purchases and sales by STX insiders, newest first.
| Filed (ET) | Trade date | Insider | Transaction | Shares | Avg price | Value | Shares after | Holding change | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Sep 22, 20264:49 PM ET | Sep 21, 2026 | Morris John ChristopherEVP & CTO | SSaleOrdinary Shares | −9.35K | $877.9079 | −$8.21M | 22.69K | −29.2% | SEC10b5-1 |
| Sep 16, 20264:10 PM ET | Sep 15, 2026 | Romano GianlucaEVP & CFO | SSaleOrdinary Shares | −49.98K | $772.1573 | −$38.6M | 70.76K | −41.4% | SEC |
| Sep 16, 20264:10 PM ET | Sep 15, 2026 | MOSLEY WILLIAM DCEO | SSaleOrdinary Shares | −97.89K | $772.1432 | −$75.58M | 378.11K | −20.6% | SEC |
| Sep 16, 20264:10 PM ET | Sep 15, 2026 | Teh Ban SengEVP & Chief Commercial Officer | SSaleOrdinary Shares | −52.73K | $782.0809 | −$41.24M | 5.81K | −90.1% | SEC10b5-1 |
| Sep 16, 20264:10 PM ET | Sep 15, 2026 | Morris John ChristopherEVP & CTO | SSaleOrdinary Shares | −15.47K | $772.1512 | −$11.94M | 31.13K | −33.2% | SEC |
Top 5 13F holders, Q2 2026
View all: Top 5 13F holders, Q2 2026The largest institutional positions in STX at the end of Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15,166,793 | $14.64B | 0.22% | +892,710+6.3% | Added |
| VANGUARD CAPITAL MANAGEMENT LLC | 14,630,067 | $14.12B | 0.30% | +474,394+3.4% | Added |
| STATE STREET CORP | 9,911,669 | $9.57B | 0.28% | +590,037+6.3% | Added |
| FMR LLC | 8,153,134 | $7.87B | 0.34% | −23,784−0.3% | Reduced |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7,999,686 | $7.72B | 0.35% | −3,095,222−27.9% | Reduced |