Seagate Technology Holdings plc
STX- Exchange
- Nasdaq
- Industry
- Computer Storage Devices
- SEC CIK
- 0001137789
In the last 90 days, Seagate Technology Holdings plc insiders filed 0 open-market purchases and 34 sales; 1,973 institutions reported holding it in 13F filings for Q2 2026, worth $181.1B in total; 5 superinvestors hold it, including Lone Pine Capital and Tiger Global Management.
13F holders, Q1 2026
Institutional positions in Seagate Technology Holdings plc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,471
- +209 vs. Q4 2025
- Shares held
- 190.3M
- +26.0M (+15.8%) vs. Q4 2025
- Total value
- $74.2B
- +$29.0B (+64.1%) vs. Q4 2025
- New holders
- 311
- 496 more added
- Sold out
- 102
- 503 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting STX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,973 | $181.1B |
| Q1 2026 | 1,471 | $74.2B |
| Q4 2025 | 1,279 | $53.5B |
| Q3 2025 | 1,125 | $45.8B |
| Q2 2025 | 955 | $28.8B |
| Q1 2025 | 801 | $16.9B |
| Q4 2024 | 806 | $16.6B |
| Q3 2024 | 821 | $20.4B |
| Q2 2024 | 799 | $19.3B |
| Q1 2024 | 768 | $17.2B |
| Q4 2023 | 730 | $16.2B |
| Q3 2023 | 657 | $12.3B |
| Q2 2023 | 660 | $11.0B |
| Q1 2023 | 673 | $12.1B |
| Q4 2022 | 643 | $9.40B |
| Q3 2022 | 666 | $9.29B |
| Q2 2022 | 714 | $12.5B |
| Q1 2022 | 703 | $15.4B |
| Q4 2021 | 794 | $20.4B |
| Q3 2021 | 694 | $15.2B |
| Q2 2021 | 679 | $16.2B |
| Q1 2021 | 678 | $15.5B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bridgewater Associates, LP | 329,117 | $128.9M | 0.58% | +49,140+17.6% | Added |
| TOMS Capital Investment Management LP | 331,000 | $129.7M | 8.52% | +331,000 | New |
| Anther Capital Ltd | 331,233 | $129.8M | 3.39% | +331,233 | New |
| Citigroup Inc | 336,563 | $131.9M | 0.08% | −28,044−7.7% | Reduced |
| California Public Employees Retirement System | 360,397 | $141.2M | 0.09% | +2,622+0.7% | Added |
| Vanguard Asset Management, Ltd | 376,308 | $147.4M | 0.13% | +376,308 | New |
| HSBC Holdings PLC | 378,527 | $147.8M | 0.09% | +206,196+119.7% | Added |
| Avala Global LP | 379,430 | $148.6M | 7.14% | +76,000+25.0% | Added |
| Raymond James Financial Inc | 385,329 | $151.0M | 0.05% | −20,712−5.1% | Reduced |
| Balyasny Asset Management LLC | 396,136 | $155.2M | 0.30% | +388,504+5,090.5% | Added |
| Ameriprise Financial Inc | 429,000 | $168.1M | 0.04% | +18,001+4.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 433,174 | $169.4M | 0.20% | +358,945+483.6% | Added |
| Vanguard Global Advisers, LLC | 477,174 | $186.9M | 0.10% | +477,174 | New |
| WT Asset Management Ltd | 489,785 | $191.9M | 4.02% | +278,585+131.9% | Added |
| Cacti Asset Management LLC | 526,005 | $202.0M | 12.46% | −4,392−0.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 518,454 | $203.1M | 0.14% | +40,796+8.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 522,344 | $204.6M | 0.13% | +3,538+0.7% | Added |
| Sands Capital Management, LLC | 531,892 | $208.4M | 0.82% | +531,892 | New |
| Maple Rock Capital Partners Inc. | 533,985 | $209.2M | 6.81% | −131,867−19.8% | Reduced |
| Soroban Capital Partners LP | 534,364 | $209.3M | 1.50% | 00.0% | Unchanged |
| First Trust Advisors LP | 536,658 | $210.2M | 0.15% | −22,647−4.0% | Reduced |
| Point72 Asset Management, L.P. | 546,378 | $214.0M | 0.37% | +148,784+37.4% | Added |
| Castle Hook Partners LP | 561,647 | $220.0M | 4.45% | −240,767−30.0% | Reduced |
| BNP Paribas Arbitrage, SA | 590,505 | $231.3M | 0.15% | −231,306−28.1% | Reduced |
| Acadian Asset Management LLC | 604,893 | $236.9M | 0.34% | −66,007−9.8% | Reduced |
| UBS Group AG | 632,683 | $247.9M | 0.04% | +75,350+13.5% | Added |
| Swiss National Bank | 639,400 | $250.5M | 0.14% | +55,900+9.6% | Added |
| Barclays PLC | 669,828 | $262.4M | 0.09% | −109,983−14.1% | Reduced |
| Swedbank AB | 709,160 | $277.8M | 0.29% | +285,949+67.6% | Added |
| Atalan Capital Partners, LP | 718,800 | $281.6M | 25.95% | −27,800−3.7% | Reduced |
| Nuveen, LLC | 771,379 | $302.2M | 0.08% | −9,222−1.2% | Reduced |
| National Pension Service | 827,761 | $324.3M | 0.25% | −169,462−17.0% | Reduced |
| Dimensional Fund Advisors LP | 836,018 | $327.2M | 0.07% | −63,048−7.0% | Reduced |
| Canada Pension Plan Investment Board | 883,574 | $346.1M | 0.22% | −25,820−2.8% | Reduced |
| Value Aligned Research Advisors, LLC | 914,657 | $358.3M | 4.24% | +788,375+624.3% | Added |
| Polar Capital Holdings Plc | 933,859 | $365.8M | 1.60% | −295,551−24.0% | Reduced |
| Russell Investments Group, Ltd. | 966,461 | $376.6M | 0.40% | +9,754+1.0% | Added |
| Amundi | 965,565 | $378.3M | 0.10% | +235,359+32.2% | Added |
| Janus Henderson Group PLC | 967,528 | $379.0M | 0.18% | +943,170+3,872.1% | Added |
| AQR Capital Management LLC | 1,001,039 | $384.0M | 0.18% | +148,567+17.4% | Added |
| Bank of Montreal | 1,008,491 | $395.1M | 0.17% | +214,448+27.0% | Added |
| Royal Bank of Canada | 1,013,493 | $397.0M | 0.08% | −20,891−2.0% | Reduced |
| Bank of New York Mellon Corp | 1,058,303 | $414.6M | 0.08% | −183,648−14.8% | Reduced |
| Holocene Advisors, LP | 1,087,617 | $426.1M | 1.03% | +328,503+43.3% | Added |
| Vanguard Fiduciary Trust Co | 1,201,062 | $470.5M | 0.12% | +1,201,062 | New |
| Price T Rowe Associates Inc | 1,258,397 | $493.0M | 0.06% | +95,196+8.2% | Added |
| D. E. Shaw & Co., Inc. | 1,289,573 | $505.2M | 0.40% | +493,101+61.9% | Added |
| Charles Schwab Investment Management Inc | 1,364,839 | $534.7M | 0.08% | −12,953−0.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,433,495 | $561.6M | 0.30% | −1,759,568−55.1% | Reduced |
| Legal & General Group Plc | 1,514,617 | $593.4M | 0.14% | −9,514−0.6% | Reduced |
| UBS Asset Management Americas Inc | 1,534,212 | $601.0M | 0.12% | +53,888+3.6% | Added |
| Deutsche Bank AG | 1,759,174 | $689.2M | 0.23% | +159,212+10.0% | Added |
| Nomura Asset Management International Inc. | 1,804,383 | $706.9M | 1.21% | +1,799,482+36,716.6% | Added |
| Northern Trust Corp | 1,896,993 | $743.2M | 0.10% | −3,639−0.2% | Reduced |
| Massachusetts Financial Services Co | 2,536,122 | $1.01B | 0.34% | +527,606+26.3% | Added |
| Bank of America Corp | 3,380,440 | $1.32B | 0.10% | −900,165−21.0% | Reduced |
| Franklin Resources Inc | 3,518,195 | $1.38B | 0.34% | −507,931−12.6% | Reduced |
| Goldman Sachs Group Inc | 3,573,790 | $1.40B | 0.18% | +818,119+29.7% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 3,620,072 | $1.42B | 1.29% | −1,796,170−33.2% | Reduced |
| WCM Investment Management, LLC | 4,346,852 | $1.58B | 3.60% | −808,020−15.7% | Reduced |
| Morgan Stanley | 4,759,312 | $1.86B | 0.11% | −558,204−10.5% | Reduced |
| Geode Capital Management, LLC | 5,060,828 | $1.98B | 0.12% | +164,013+3.3% | Added |
| Capital Research Global Investors | 5,736,070 | $2.25B | 0.35% | +1,224,081+27.1% | Added |
| JPMorgan Chase & Co | 6,659,239 | $2.41B | 0.16% | −338,736−4.8% | Reduced |
| Invesco Ltd. | 7,176,698 | $2.81B | 0.27% | −180,021−2.4% | Reduced |
| FMR LLC | 8,176,918 | $3.20B | 0.17% | +4,417,259+117.5% | Added |
| State Street Corp | 9,321,632 | $3.66B | 0.13% | −49,173−0.5% | Reduced |
| Vanguard Portfolio Management LLC | 11,094,908 | $4.35B | 0.23% | +11,094,908 | New |
| Sanders Capital, LLC | 12,897,201 | $5.05B | 6.02% | −4,283,691−24.9% | Reduced |
| Vanguard Capital Management LLC | 14,155,673 | $5.55B | 0.14% | +14,155,673 | New |
| BlackRock, Inc. | 14,274,083 | $5.59B | 0.10% | −1,842,843−11.4% | Reduced |
| Vinland Capital Management Gestora de Recursos LTDA. | 0 | $0 | 0.00% | −558−100.0% | Sold out |
| Egerton Capital (UK) LLP | 0 | $0 | 0.00% | −729,325−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −239,965−100.0% | Sold out |
| Talos Asset Management LP | 0 | $0 | 0.00% | −105,800−100.0% | Sold out |
| Swiss Life Asset Management Ltd | 0 | $0 | 0.00% | −86,735−100.0% | Sold out |
| Liontrust Investment Partners LLP | 0 | $0 | 0.00% | −75,843−100.0% | Sold out |
| SeaTown Holdings Pte. Ltd. | 0 | $0 | 0.00% | −32,500−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −27,658−100.0% | Sold out |
| Ardmore Road Asset Management LP | 0 | $0 | 0.00% | −26,049−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −19,200−100.0% | Sold out |
| Greenland Capital Management LP | 0 | $0 | 0.00% | −18,809−100.0% | Sold out |
| Sig Brokerage, LP | 0 | $0 | 0.00% | −14,731−100.0% | Sold out |
| Beaconlight Capital, LLC | 0 | $0 | 0.00% | −12,651−100.0% | Sold out |
| Donoghue Forlines LLC | 0 | $0 | 0.00% | −12,643−100.0% | Sold out |
| Meitav Dash Investments Ltd | 0 | $0 | 0.00% | −11,079−100.0% | Sold out |
| Estate Counselors, LLC | 0 | $0 | 0.00% | −10,834−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −9,443−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |
| Stance Capital LLC | 0 | $0 | 0.00% | −8,308−100.0% | Sold out |
| Fedenia Advisers LLC | 0 | $0 | 0.00% | −7,919−100.0% | Sold out |
| Kerrisdale Advisers, LLC | 0 | $0 | 0.00% | −5,724−100.0% | Sold out |
| Whitaker-Myers Wealth Managers, LTD. | 0 | $0 | 0.00% | −5,689−100.0% | Sold out |
| Sherman Porfolios, LLC | 0 | $0 | 0.00% | −5,383−100.0% | Sold out |
| Evergreen Quality Fund GP, Ltd. | 0 | $0 | 0.00% | −5,100−100.0% | Sold out |
| ZWJ Investment Counsel Inc | 0 | $0 | 0.00% | −4,019−100.0% | Sold out |
| Knights of Columbus Asset Advisors LLC | 0 | $0 | 0.00% | −4,003−100.0% | Sold out |
| Park Capital Management, LLC | 0 | $0 | 0.00% | −3,993−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −3,672−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −3,648−100.0% | Sold out |