Seagate Technology Ownership | Who Owns Seagate Technology?
Seagate Technology Ownership Summary
Seagate Technology is owned by 83.29% institutional investors, 0.26% insiders, and 16.45% retail investors. Vanguard group is the largest institutional shareholder, holding 13.08% of STX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.15% of its assets in Seagate Technology shares.
STX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Seagate Technology | 83.29% | 0.26% | 16.45% |
| Sector | Technology Stocks | 36.01% | 15.20% | 48.78% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 28.12M | 13.08% | $7.74B |
| Blackrock funding, inc. /de | 15.17M | 6.86% | $14.64B |
| Vanguard capital management | 14.63M | 6.62% | $14.12B |
| Blackrock | 13.24M | 6.31% | $1.37B |
| State street | 9.91M | 4.48% | $9.57B |
| Fmr | 8.15M | 3.69% | $7.87B |
| Invesco | 7.54M | 3.41% | $7.27B |
| Wcm investment management | 5.32M | 2.41% | $5.15B |
| Jpmorgan chase | 5.20M | 2.35% | $5.04B |
| Geode capital management | 5.16M | 2.33% | $4.96B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Atalan capital partners, lp | 573.00K | 33.92% | $552.95M |
| Central asset investments & management (hk) | 60.09K | 22.95% | $57.98M |
| Trivest advisors | 737.78K | 22.38% | $711.96M |
| Aufman associates | 50.61K | 19.47% | $48.84M |
| Panoramic capital | 40.27K | 16.72% | $38.87M |
| Amanah trust | 289.77K | 16.42% | $279.63M |
| Rivermont capital management lp | 113.67K | 15.56% | $109.69M |
| Keywise capital management (hk) | 102.00K | 13.41% | $98.43M |
| Palestra capital management | 386.12K | 12.63% | $372.61M |
| Ariose capital management | 27.62K | 11.38% | $26.65M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 3.10M | 0.30% | 3.10M |
| Invesco | 7.54M | 0.58% | 2.96M |
| Wellington management group llp | 2.41M | 0.40% | 2.33M |
| Jane street group | 1.47M | 0.12% | 1.45M |
| Sixth street partners management company | 1.35M | 0.17% | 1.35M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sanders capital | 3.49M | 3.37% | -9.41M |
| Macquarie management | 5.50K | 0.01% | -1.80M |
| Franklin resources | 1.80M | 0.38% | -1.72M |
| Slate path capital lp | 658.87K | 2.41% | -1.69M |
| Dz bank ag deutsche zentral genossenschafts bank, frankfurt am main | 2.11M | 1.56% | -1.51M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 3.10M | 0.30% | 3.10M | $2.99B |
| Sixth street partners management company | 1.35M | 0.17% | 1.35M | $1.30B |
| Capital investors | 1.03M | 0.21% | 1.03M | $995.93M |
| Lone pine capital | 1.00M | 5.90% | 1.00M | $965.11M |
| Fi3 financial advisors | 535.46K | 3.40% | 535.46K | $14.19M |
Sold Out
| Holder | Change |
|---|---|
| Atticus wealth management | -1.00 |
| Curio wealth | -2.00 |
| Tortoise investment management | -2.00 |
| Mine & arao wealth creation & management, llc. | -2.00 |
| Blume capital management | -4.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 1,494 | 11.33% | 179,065,537 | -5.13% | 83 | 1.08% | 775 | 10.09% | 486 | 20.60% |
| Dec 31, 2025 | 843 | -29.46% | 102,334,177 | -47.00% | 47 | 0.57% | 441 | -31.42% | 262 | -19.38% |
| Sep 30, 2025 | 747 | -24.32% | 88,296,573 | -52.90% | 41 | 0.53% | 405 | -25.28% | 205 | -25.72% |
| Jun 30, 2025 | 988 | 18.47% | 197,905,798 | 0.12% | 93 | 1.07% | 543 | 42.52% | 273 | -2.85% |
| Mar 31, 2025 | 24 | -97.18% | 3,143,706 | -98.35% | 1 | 0.02% | 7 | -98.34% | 6 | -97.79% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 7.12M | 3.15% | 178.66K |
| Vanguard US Total Market Shares ETF | 6.64M | 3.14% | 5.13K |
| Vanguard Morn Total Stk Mkt Idx Investor | 7.12M | 3.14% | 178.66K |
| Vanguard 500 Index Investor | 5.83M | 2.58% | 118.16K |
| American Funds Income Fund of Amer A | 4.36M | 2.06% | -208.21K |
| Invesco QQQ Trust | 4.64M | 2.05% | -58.95K |
| Vanguard Windsor™ II Inv | 3.96M | 1.86% | - |
| AZ InvestEd Ivy Science & Tech E | 3.51M | 1.66% | - |
| Macquarie Science and Technology | 3.35M | 1.58% | -168.89K |
| Ivy Science/Technology Composite | 3.26M | 1.55% | -22.63K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 13, 2026 | Teh Ban Seng | EVP & Chief Commercial Officer | Sell | $1.26M |
| Aug 13, 2026 | Teh Ban Seng | EVP & Chief Commercial Officer | Sell | $5.52M |
| Aug 07, 2026 | Romano Gianluca | EVP & CFO | Sell | $100.94K |
| Aug 07, 2026 | Romano Gianluca | EVP & CFO | Sell | $66.86K |
| Aug 07, 2026 | Romano Gianluca | EVP & CFO | Sell | $67.11K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 162 |
| 2026 Q2 | - | 175 |
| 2026 Q1 | - | 58 |
| 2025 Q4 | - | 83 |
| 2025 Q3 | - | 37 |
STX Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools