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 32 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, Q4 2025
Institutional positions in Seagate Technology Holdings plc as of Dec 31, 2025. 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
- 1,280
- +170 vs. Q3 2025
- Shares held
- 194.4M
- +515.6K (+0.3%) vs. Q3 2025
- Total value
- $53.5B
- +$7.82B (+17.1%) vs. Q3 2025
- New holders
- 256
- 448 more added
- Sold out
- 86
- 408 more reduced
16 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 1,472 | $74.2B |
| Q4 2025 | 1,280 | $53.5B |
| Q3 2025 | 1,126 | $45.8B |
| Q2 2025 | 956 | $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, Q4 2025
Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bridgewater Associates, LP | 279,977 | $77.1M | 0.28% | +117,869+72.7% | Added |
| Allianz Asset Management GmbH | 281,983 | $77.7M | 0.09% | −120,361−29.9% | Reduced |
| Amanah Holdings Trust | 289,774 | $79.8M | 11.69% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 292,682 | $80.6M | 0.12% | +143,431+96.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 293,012 | $80.7M | 0.14% | +284,593+3,380.4% | Added |
| SEI Investments Co | 299,632 | $82.5M | 0.08% | +247,937+479.6% | Added |
| Avala Global LP | 303,430 | $83.6M | 4.00% | −230,000−43.1% | Reduced |
| California State Teachers Retirement System | 307,386 | $84.7M | 0.08% | −8,669−2.7% | Reduced |
| M&G Plc | 314,388 | $86.5M | 0.44% | −85,076−21.3% | Reduced |
| Oxbow Capital Management (HK) Ltd | 314,624 | $86.6M | 24.04% | −128,376−29.0% | Reduced |
| Trivest Advisors Ltd | 324,000 | $89.2M | 4.07% | −398,000−55.1% | Reduced |
| Colony Group, LLC | 328,392 | $90.5M | 0.10% | +134,188+69.1% | Added |
| Alyeska Investment Group, L.P. | 346,676 | $95.5M | 0.27% | +346,676 | New |
| California Public Employees Retirement System | 357,775 | $98.5M | 0.06% | +1,123+0.3% | Added |
| Citigroup Inc | 364,607 | $100.4M | 0.07% | −468,015−56.2% | Reduced |
| Wells Fargo & Company | 366,752 | $101.0M | 0.02% | −410,927−52.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 378,179 | $104.1M | 0.27% | +319,668+546.3% | Added |
| ProShare Advisors LLC | 380,854 | $104.9M | 0.19% | +335,431+738.5% | Added |
| Renaissance Technologies LLC | 381,893 | $105.2M | 0.16% | +324,829+569.2% | Added |
| Primecap Management Co | 384,282 | $105.8M | 0.08% | −270,275−41.3% | Reduced |
| Point72 Asset Management, L.P. | 397,594 | $109.5M | 0.17% | −137,406−25.7% | Reduced |
| Raymond James Financial Inc | 406,041 | $111.8M | 0.03% | −63,806−13.6% | Reduced |
| Ameriprise Financial Inc | 410,999 | $113.2M | 0.03% | +203,476+98.0% | Added |
| Swedbank AB | 423,211 | $116.5M | 0.11% | +377,630+828.5% | Added |
| Soroban Capital Partners LP | 534,364 | $126.1M | 0.92% | 00.0% | Unchanged |
| Artemis Investment Management LLP | 493,484 | $135.9M | 1.64% | +284,434+136.1% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 477,658 | $137.3M | 0.09% | +46,753+10.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 518,806 | $142.9M | 0.08% | +6,028+1.2% | Added |
| Cacti Asset Management LLC | 530,397 | $149.2M | 9.21% | −9,361−1.7% | Reduced |
| Squarepoint Ops LLC | 548,858 | $151.2M | 0.30% | +400,758+270.6% | Added |
| UBS Group AG | 557,333 | $153.5M | 0.03% | −385,556−40.9% | Reduced |
| First Trust Advisors LP | 559,305 | $154.0M | 0.11% | +108,522+24.1% | Added |
| Swiss National Bank | 583,500 | $160.7M | 0.10% | −28,200−4.6% | Reduced |
| Los Angeles Capital Management LLC | 610,610 | $163.8M | 0.56% | −41,361−6.3% | Reduced |
| Boston Partners | 610,811 | $168.3M | 0.17% | −761,292−55.5% | Reduced |
| KBC Group NV | 638,613 | $175.9M | 0.40% | +12,640+2.0% | Added |
| Maple Rock Capital Partners Inc. | 665,852 | $183.4M | 6.06% | −74,500−10.1% | Reduced |
| Acadian Asset Management LLC | 670,900 | $184.7M | 0.30% | +615,250+1,105.6% | Added |
| Egerton Capital (UK) LLP | 729,325 | $200.8M | 2.18% | −863,658−54.2% | Reduced |
| Amundi | 730,206 | $201.1M | 0.05% | +257,215+54.4% | Added |
| Atalan Capital Partners, LP | 746,600 | $205.6M | 14.63% | 00.0% | Unchanged |
| Holocene Advisors, LP | 759,114 | $209.1M | 0.44% | +571,106+303.8% | Added |
| Barclays PLC | 779,811 | $214.8M | 0.09% | +219,245+39.1% | Added |
| Nuveen, LLC | 780,601 | $215.0M | 0.06% | +174,453+28.8% | Added |
| Bank of Montreal | 794,043 | $218.7M | 0.09% | +474,421+148.4% | Added |
| D. E. Shaw & Co., Inc. | 796,472 | $219.3M | 0.17% | −1,208,914−60.3% | Reduced |
| Castle Hook Partners LP | 802,414 | $221.0M | 3.18% | −133,337−14.2% | Reduced |
| BNP Paribas Arbitrage, SA | 821,811 | $226.3M | 0.14% | +174,312+26.9% | Added |
| AQR Capital Management LLC | 852,472 | $234.8M | 0.12% | +138,187+19.3% | Added |
| Dimensional Fund Advisors LP | 899,066 | $247.6M | 0.05% | +488+0.1% | Added |
| Canada Pension Plan Investment Board | 909,394 | $250.4M | 0.17% | +110,283+13.8% | Added |
| Russell Investments Group, Ltd. | 956,707 | $263.8M | 0.29% | +28,195+3.0% | Added |
| National Pension Service | 997,223 | $274.6M | 0.20% | +747,102+298.7% | Added |
| Royal Bank of Canada | 1,034,384 | $284.9M | 0.05% | −410.0% | Reduced |
| Price T Rowe Associates Inc | 1,163,201 | $320.3M | 0.03% | +319,601+37.9% | Added |
| Polar Capital Holdings Plc | 1,229,410 | $338.6M | 1.55% | −249,959−16.9% | Reduced |
| Bank of New York Mellon Corp | 1,241,951 | $342.0M | 0.06% | +196,123+18.8% | Added |
| Charles Schwab Investment Management Inc | 1,377,792 | $379.4M | 0.06% | +7,113+0.5% | Added |
| UBS Asset Management Americas Inc | 1,480,324 | $407.7M | 0.09% | +24,761+1.7% | Added |
| Legal & General Group Plc | 1,524,131 | $419.7M | 0.09% | −11,544−0.8% | Reduced |
| Deutsche Bank AG | 1,599,962 | $440.6M | 0.14% | +807,962+102.0% | Added |
| Norges Bank | 1,809,661 | $498.4M | 0.05% | +1,809,661 | New |
| Northern Trust Corp | 1,900,632 | $523.4M | 0.07% | −19,697−1.0% | Reduced |
| Massachusetts Financial Services Co | 2,008,516 | $553.1M | 0.18% | +1,883,769+1,510.1% | Added |
| Goldman Sachs Group Inc | 2,755,671 | $758.9M | 0.11% | −970,355−26.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 3,193,063 | $879.3M | 0.52% | +243,551+8.3% | Added |
| FMR LLC | 3,759,659 | $1.04B | 0.05% | +1,778,433+89.8% | Added |
| Franklin Resources Inc | 4,026,126 | $1.11B | 0.27% | −4,041,090−50.1% | Reduced |
| Bank of America Corp | 4,280,605 | $1.18B | 0.09% | −3,309,305−43.6% | Reduced |
| Capital Research Global Investors | 4,511,989 | $1.24B | 0.23% | −1,677,655−27.1% | Reduced |
| Geode Capital Management, LLC | 4,896,815 | $1.34B | 0.08% | +234,436+5.0% | Added |
| WCM Investment Management, LLC | 5,154,872 | $1.44B | 2.97% | −28,077−0.5% | Reduced |
| Morgan Stanley | 5,317,516 | $1.46B | 0.09% | +258,151+5.1% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 5,416,242 | $1.49B | 1.31% | +4,426,486+447.2% | Added |
| JPMorgan Chase & Co | 6,997,975 | $1.93B | 0.13% | −6,934,821−49.8% | Reduced |
| Invesco Ltd. | 7,356,719 | $2.03B | 0.19% | +5,545,698+306.2% | Added |
| State Street Corp | 9,370,805 | $2.59B | 0.09% | +94,527+1.0% | Added |
| BlackRock, Inc. | 16,116,926 | $4.44B | 0.08% | +1,719,382+11.9% | Added |
| Sanders Capital, LLC | 17,180,892 | $4.73B | 5.45% | −360,374−2.1% | Reduced |
| Vanguard Group Inc | 28,119,431 | $7.74B | 0.11% | −20,856−0.1% | Reduced |
| Slate Path Capital LP | 0 | $0 | 0.00% | −658,867−100.0% | Sold out |
| Zurich Insurance Group Ltd | 0 | $0 | 0.00% | −533,797−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −342,886−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −170,997−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −125,131−100.0% | Sold out |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 0 | $0 | 0.00% | −85,900−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −73,688−100.0% | Sold out |
| Cercano Management LLC | 0 | $0 | 0.00% | −63,842−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −56,881−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −54,482−100.0% | Sold out |
| Situational Awareness LP | 0 | $0 | 0.00% | −48,567−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −48,429−100.0% | Sold out |
| Eminence Capital, LP | 0 | $0 | 0.00% | −38,843−100.0% | Sold out |
| Andra AP-fonden | 0 | $0 | 0.00% | −38,691−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −34,476−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −30,964−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −24,685−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −22,117−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −21,982−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −14,342−100.0% | Sold out |