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
- 1,472
- +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
- 497 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 | 1,472 | $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, 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14,274,083 | $5.59B | 0.10% | −1,842,843−11.4% | Reduced |
| Vanguard Capital Management LLC | 14,155,673 | $5.55B | 0.14% | +14,155,673 | New |
| Sanders Capital, LLC | 12,897,201 | $5.05B | 6.02% | −4,283,691−24.9% | Reduced |
| Vanguard Portfolio Management LLC | 11,094,908 | $4.35B | 0.23% | +11,094,908 | New |
| State Street Corp | 9,321,632 | $3.66B | 0.13% | −49,173−0.5% | Reduced |
| FMR LLC | 8,176,918 | $3.20B | 0.17% | +4,417,259+117.5% | Added |
| Invesco Ltd. | 7,176,698 | $2.81B | 0.27% | −180,021−2.4% | Reduced |
| JPMorgan Chase & Co | 6,659,239 | $2.41B | 0.16% | −338,736−4.8% | Reduced |
| Capital Research Global Investors | 5,736,070 | $2.25B | 0.35% | +1,224,081+27.1% | Added |
| Geode Capital Management, LLC | 5,060,828 | $1.98B | 0.12% | +164,013+3.3% | Added |
| Morgan Stanley | 4,759,312 | $1.86B | 0.11% | −558,204−10.5% | Reduced |
| WCM Investment Management, LLC | 4,346,852 | $1.58B | 3.60% | −808,020−15.7% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 3,620,072 | $1.42B | 1.29% | −1,796,170−33.2% | Reduced |
| Goldman Sachs Group Inc | 3,573,790 | $1.40B | 0.18% | +818,119+29.7% | Added |
| Franklin Resources Inc | 3,518,195 | $1.38B | 0.34% | −507,931−12.6% | Reduced |
| Bank of America Corp | 3,380,440 | $1.32B | 0.10% | −900,165−21.0% | Reduced |
| Massachusetts Financial Services Co | 2,536,122 | $1.01B | 0.34% | +527,606+26.3% | Added |
| Northern Trust Corp | 1,896,993 | $743.2M | 0.10% | −3,639−0.2% | Reduced |
| Nomura Asset Management International Inc. | 1,804,383 | $706.9M | 1.21% | +1,799,482+36,716.6% | Added |
| Deutsche Bank AG | 1,759,174 | $689.2M | 0.23% | +159,212+10.0% | Added |
| UBS Asset Management Americas Inc | 1,534,212 | $601.0M | 0.12% | +53,888+3.6% | Added |
| Legal & General Group Plc | 1,514,617 | $593.4M | 0.14% | −9,514−0.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,433,495 | $561.6M | 0.30% | −1,759,568−55.1% | Reduced |
| Charles Schwab Investment Management Inc | 1,364,839 | $534.7M | 0.08% | −12,953−0.9% | Reduced |
| D. E. Shaw & Co., Inc. | 1,289,573 | $505.2M | 0.40% | +493,101+61.9% | Added |
| Price T Rowe Associates Inc | 1,258,397 | $493.0M | 0.06% | +95,196+8.2% | Added |
| Vanguard Fiduciary Trust Co | 1,201,062 | $470.5M | 0.12% | +1,201,062 | New |
| Holocene Advisors, LP | 1,087,617 | $426.1M | 1.03% | +328,503+43.3% | Added |
| Bank of New York Mellon Corp | 1,058,303 | $414.6M | 0.08% | −183,648−14.8% | Reduced |
| Royal Bank of Canada | 1,013,493 | $397.0M | 0.08% | −20,891−2.0% | Reduced |
| Bank of Montreal | 1,008,491 | $395.1M | 0.17% | +214,448+27.0% | Added |
| AQR Capital Management LLC | 1,001,039 | $384.0M | 0.18% | +148,567+17.4% | Added |
| Janus Henderson Group PLC | 967,528 | $379.0M | 0.18% | +943,170+3,872.1% | Added |
| Amundi | 965,565 | $378.3M | 0.10% | +235,359+32.2% | Added |
| Russell Investments Group, Ltd. | 966,461 | $376.6M | 0.40% | +9,754+1.0% | Added |
| Polar Capital Holdings Plc | 933,859 | $365.8M | 1.60% | −295,551−24.0% | Reduced |
| Value Aligned Research Advisors, LLC | 914,657 | $358.3M | 4.24% | +788,375+624.3% | Added |
| Canada Pension Plan Investment Board | 883,574 | $346.1M | 0.22% | −25,820−2.8% | Reduced |
| Dimensional Fund Advisors LP | 836,018 | $327.2M | 0.07% | −63,048−7.0% | Reduced |
| National Pension Service | 827,761 | $324.3M | 0.25% | −169,462−17.0% | Reduced |
| Nuveen, LLC | 771,379 | $302.2M | 0.08% | −9,222−1.2% | Reduced |
| Atalan Capital Partners, LP | 718,800 | $281.6M | 25.95% | −27,800−3.7% | Reduced |
| Swedbank AB | 709,160 | $277.8M | 0.29% | +285,949+67.6% | Added |
| Barclays PLC | 669,828 | $262.4M | 0.09% | −109,983−14.1% | Reduced |
| Swiss National Bank | 639,400 | $250.5M | 0.14% | +55,900+9.6% | Added |
| UBS Group AG | 632,683 | $247.9M | 0.04% | +75,350+13.5% | Added |
| Acadian Asset Management LLC | 604,893 | $236.9M | 0.34% | −66,007−9.8% | Reduced |
| BNP Paribas Arbitrage, SA | 590,505 | $231.3M | 0.15% | −231,306−28.1% | Reduced |
| Castle Hook Partners LP | 561,647 | $220.0M | 4.45% | −240,767−30.0% | Reduced |
| Point72 Asset Management, L.P. | 546,378 | $214.0M | 0.37% | +148,784+37.4% | Added |
| First Trust Advisors LP | 536,658 | $210.2M | 0.15% | −22,647−4.0% | Reduced |
| Soroban Capital Partners LP | 534,364 | $209.3M | 1.50% | 00.0% | Unchanged |
| Maple Rock Capital Partners Inc. | 533,985 | $209.2M | 6.81% | −131,867−19.8% | Reduced |
| Sands Capital Management, LLC | 531,892 | $208.4M | 0.82% | +531,892 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 522,344 | $204.6M | 0.13% | +3,538+0.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 518,454 | $203.1M | 0.14% | +40,796+8.5% | Added |
| Cacti Asset Management LLC | 526,005 | $202.0M | 12.46% | −4,392−0.8% | Reduced |
| WT Asset Management Ltd | 489,785 | $191.9M | 4.02% | +278,585+131.9% | Added |
| Vanguard Global Advisers, LLC | 477,174 | $186.9M | 0.10% | +477,174 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 433,174 | $169.4M | 0.20% | +358,945+483.6% | Added |
| Ameriprise Financial Inc | 429,000 | $168.1M | 0.04% | +18,001+4.4% | Added |
| Balyasny Asset Management LLC | 396,136 | $155.2M | 0.30% | +388,504+5,090.5% | Added |
| Raymond James Financial Inc | 385,329 | $151.0M | 0.05% | −20,712−5.1% | Reduced |
| Avala Global LP | 379,430 | $148.6M | 7.14% | +76,000+25.0% | Added |
| HSBC Holdings PLC | 378,527 | $147.8M | 0.09% | +206,196+119.7% | Added |
| Vanguard Asset Management, Ltd | 376,308 | $147.4M | 0.13% | +376,308 | New |
| California Public Employees Retirement System | 360,397 | $141.2M | 0.09% | +2,622+0.7% | Added |
| Citigroup Inc | 336,563 | $131.9M | 0.08% | −28,044−7.7% | Reduced |
| Anther Capital Ltd | 331,233 | $129.8M | 3.39% | +331,233 | New |
| TOMS Capital Investment Management LP | 331,000 | $129.7M | 8.52% | +331,000 | New |
| Bridgewater Associates, LP | 329,117 | $128.9M | 0.58% | +49,140+17.6% | Added |
| Wells Fargo & Company | 325,412 | $127.5M | 0.03% | −41,340−11.3% | Reduced |
| ProShare Advisors LLC | 318,510 | $124.8M | 0.18% | −62,344−16.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 311,448 | $121.9M | 0.17% | +18,766+6.4% | Added |
| Renaissance Technologies LLC | 310,494 | $121.6M | 0.19% | −71,399−18.7% | Reduced |
| California State Teachers Retirement System | 307,293 | $120.4M | 0.13% | −930.0% | Reduced |
| Envestnet Asset Management Inc | 305,144 | $119.5M | 0.03% | +30,939+11.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 298,197 | $116.8M | 0.27% | −79,982−21.1% | Reduced |
| Palestra Capital Management LLC | 294,000 | $115.2M | 4.52% | +294,000 | New |
| Amanah Holdings Trust | 289,774 | $113.5M | 12.50% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 268,866 | $105.3M | 0.23% | −279,992−51.0% | Reduced |
| LPL Financial LLC | 265,906 | $104.2M | 0.03% | +18,619+7.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 261,845 | $102.6M | 0.17% | −31,167−10.6% | Reduced |
| Ensign Peak Advisors, Inc | 255,726 | $100.2M | 0.19% | +43,358+20.4% | Added |
| Millennium Management LLC | 250,279 | $98.0M | 0.07% | +168,698+206.8% | Added |
| Colony Group, LLC | 249,280 | $97.9M | 0.11% | −79,112−24.1% | Reduced |
| SEI Investments Co | 247,152 | $96.8M | 0.09% | −52,480−17.5% | Reduced |
| KBC Group NV | 245,061 | $96.0M | 0.24% | −393,552−61.6% | Reduced |
| Principal Financial Group Inc | 243,641 | $95.4M | 0.05% | +743+0.3% | Added |
| National Bank of Canada | 233,324 | $91.4M | 0.09% | −1,678−0.7% | Reduced |
| Primecap Management Co | 230,332 | $90.2M | 0.07% | −153,950−40.1% | Reduced |
| HRT Financial LP | 229,531 | $89.9M | 0.22% | +229,531 | New |
| Rhumbline Advisers | 229,211 | $89.8M | 0.08% | −7,386−3.1% | Reduced |
| Allianz Asset Management GmbH | 227,373 | $89.1M | 0.10% | −54,610−19.4% | Reduced |
| M&G Plc | 221,909 | $87.0M | 0.45% | −92,479−29.4% | Reduced |
| Natixis Advisors, L.P. | 213,997 | $83.8M | 0.12% | +58,990+38.1% | Added |
| Storebrand Asset Management AS | 212,787 | $83.4M | 0.24% | −26,945−11.2% | Reduced |
| Trivest Advisors Ltd | 208,000 | $81.5M | 5.87% | −116,000−35.8% | Reduced |
| Woodline Partners LP | 207,507 | $81.3M | 0.31% | +115,389+125.3% | Added |
| Victory Capital Management Inc | 195,670 | $76.7M | 0.05% | −10,940−5.3% | Reduced |