Popularity #30Ex-dividend in 1d · $0.74
Seagate Technology (STX)
Builds high-capacity hard drives and storage systems for cloud, enterprise and consumer data.
$914.67
vs last close−5.17 (−0.56%)
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13F · 13D/G · Form 4
| Institutions | ≈ 80.23% | 181.84M shares | |
|---|---|---|---|
| 2,066 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 0.27% | 621.8K shares | |
| 18 holders · as of Sep 22, 2026 | |||
| Other | ≈ 19.50% | 44.19M shares | |
| remainder | |||
226.64M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
13F, as of Jun 30, 2026
2,066 holders · 181.84M shares · 583 new positions · 1,197 increased · 622 reduced · 85 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 15.17M | 6.69% | +892.7K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 14.63M | 6.46% | +474.4K | Aug 13, 2026 |
| State Street Corp | 9.91M | 4.37% | +590.0K | Aug 7, 2026 |
| FMR LLC | 8.15M | 3.60% | −23.8K | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 8.00M | 3.53% | −3.10M | Aug 13, 2026 |
| Invesco Ltd. | 7.54M | 3.33% | +2.96M | Aug 14, 2026 |
| WCM Investment Management, LLC | 5.32M | 2.35% | +973.6K | Aug 13, 2026 |
| JPMorgan Chase & Co | 5.20M | 2.29% | −1.46M | Aug 12, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Vanguard Capital Management | 7.48% | 16.32M | 13G | Apr 30, 2026 |
| BlackRock, Inc. | 6.10% | 12.95M | 13G | Apr 23, 2025 |
| Sanders Capital, LLC | 5.98% | 13.04M | 13G | Apr 16, 2026 |
| Vanguard Portfolio Management | 5.08% | 11.09M | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 21, 2026 | John Christopher Morrisofficer: EVP & CTO | Sale · 26 lots | 9,354 | $877.91 | 22,693 |
| Sep 15, 2026 | John Christopher Morrisofficer: EVP & CTO | Sale | 15,466 | $772.15 | 31,132 |
| Sep 15, 2026 | Ban Seng Tehofficer: EVP & Chief Commercial Officer | Sale · 24 lots | 52,730 | $782.08 | 5,810 |
| Sep 15, 2026 | William D. Mosleydirector, officer: CEO | Sale | 97,889 | $772.14 | 378,108 |
| Sep 15, 2026 | Gianluca Romanoofficer: EVP & CFO | Sale | 49,984 | $772.16 | 70,757 |
| Sep 14, 2026 | William D. Mosleydirector, officer: CEO | Sale | 1,870 | $781.23 | 298,998 |
| Sep 11, 2026 | Gianluca Romanoofficer: EVP & CFO | Sale · 38 lots | 50,498 | $832.25 | 29,620 |
| Sep 14, 2026 | Gianluca Romanoofficer: EVP & CFO | Sale | 955 | $781.24 | 30,360 |
| Sep 14, 2026 | John Christopher Morrisofficer: EVP & CTO | Sale | 493 | $781.23 | 16,468 |
| Sep 14, 2026 | Ban Seng Tehofficer: EVP & Chief Commercial Officer | Sale | 989 | $779.00 | 5,810 |
House and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Sen. Alan Armstrong | Purchase | $1,001 – $15,000 | Joint | Mar 27, 2026 | Jul 21, 2026 |
| Rep. Ro Khanna · CA17 | Purchase | $1,001 – $15,000 | Spouse | Apr 13, 2026 | May 13, 2026 |