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, Q3 2021
Institutional positions in Seagate Technology Holdings plc as of Sep 30, 2021. 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
- 694
- +27 vs. Q2 2021
- Shares held
- 184.1M
- +347.2K (+0.2%) vs. Q2 2021
- Total value
- $15.2B
- −$951.2M (−5.9%) vs. Q2 2021
- New holders
- 88
- 261 more added
- Sold out
- 61
- 215 more reduced
12 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| D. E. Shaw & Co., Inc. | 137,754 | $11.4M | 0.01% | +81,373+144.3% | Added |
| State of Alaska, Department of Revenue | 140,206 | $11.6M | 0.12% | +4,890+3.6% | Added |
| Asset Management One Co.,Ltd. | 143,758 | $11.9M | 0.05% | −1,335−0.9% | Reduced |
| PFS Investments Inc. | 124,057 | $12.1M | 0.25% | −14,152−10.2% | Reduced |
| Rodgers Brothers Inc. | 151,171 | $12.5M | 2.49% | +22,650+17.6% | Added |
| Cubist Systematic Strategies, LLC | 151,782 | $12.5M | 0.16% | −97,670−39.2% | Reduced |
| State of Wisconsin Investment Board | 154,859 | $12.8M | 0.03% | −19,746−11.3% | Reduced |
| Andra AP-fonden | 159,400 | $13.2M | 0.27% | +33,200+26.3% | Added |
| Caisse de Depot Et Placement du Quebec | 165,089 | $13.6M | 0.03% | +11,600+7.6% | Added |
| LPL Financial LLC | 172,344 | $14.2M | 0.01% | +30,522+21.5% | Added |
| Guggenheim Capital LLC | 173,478 | $14.3M | 0.09% | −32,492−15.8% | Reduced |
| Prudential Financial Inc | 175,805 | $14.6M | 0.02% | −8,952−4.8% | Reduced |
| Parallax Volatility Advisers, L.P. | 177,551 | $14.7M | 0.16% | +177,551 | New |
| Chartwell Investment Partners, LLC | 182,827 | $15.1M | 0.47% | +244+0.1% | Added |
| California State Teachers Retirement System | 182,945 | $15.1M | 0.02% | +152,119+493.5% | Added |
| Advisors Capital Management, LLC | 187,717 | $15.5M | 0.47% | +6,407+3.5% | Added |
| TD Asset Management Inc | 188,359 | $15.5M | 0.02% | +18,725+11.0% | Added |
| Oregon Public Employees Retirement Fund | 190,428 | $15.7M | 0.18% | +1,372+0.7% | Added |
| Manufacturers Life Insurance Company, The | 192,311 | $15.9M | 0.01% | +1,170+0.6% | Added |
| Rhumbline Advisers | 192,903 | $15.9M | 0.02% | +15,508+8.7% | Added |
| Jane Street Group, LLC | 198,657 | $16.4M | 0.04% | +174,333+716.7% | Added |
| PGGM Investments | 204,890 | $16.9M | 0.09% | −195,680−48.9% | Reduced |
| DekaBank Deutsche Girozentrale | 213,832 | $17.8M | 0.05% | −113,618−34.7% | Reduced |
| Franklin Resources Inc | 243,669 | $20.1M | 0.01% | +222,381+1,044.6% | Added |
| New York State Teachers Retirement System | 245,614 | $20.3M | 0.04% | −3,353−1.3% | Reduced |
| Principal Financial Group Inc | 247,620 | $20.4M | 0.01% | −5,845−2.3% | Reduced |
| Citigroup Inc | 255,076 | $21.0M | 0.02% | −247,967−49.3% | Reduced |
| Envestnet Asset Management Inc | 256,211 | $21.1M | 0.01% | −1,548−0.6% | Reduced |
| Hosking Partners LLP | 268,213 | $22.1M | 0.55% | −30,007−10.1% | Reduced |
| Alps Advisors Inc | 275,264 | $22.7M | 0.22% | +15,643+6.0% | Added |
| Ensign Peak Advisors, Inc | 279,821 | $23.1M | 0.05% | +21,811+8.5% | Added |
| Alliancebernstein L.P. | 281,767 | $23.3M | 0.01% | −91,339−24.5% | Reduced |
| Nordea Investment Management AB | 296,942 | $24.7M | 0.03% | −18,457−5.9% | Reduced |
| Price T Rowe Associates Inc | 305,374 | $25.2M | 0.00% | −5,644−1.8% | Reduced |
| UBS Group AG | 307,224 | $25.4M | 0.01% | −190,671−38.3% | Reduced |
| Stifel Financial Corp | 311,075 | $25.7M | 0.04% | −59,081−16.0% | Reduced |
| Credit Suisse AG | 323,460 | $26.7M | 0.02% | −28,209−8.0% | Reduced |
| Cookson Peirce & Co Inc | 345,387 | $28.5M | 1.74% | +3,001+0.9% | Added |
| Victory Capital Management Inc | 348,581 | $28.8M | 0.03% | −86,304−19.8% | Reduced |
| First Trust Advisors LP | 361,141 | $29.8M | 0.03% | −52,485−12.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 365,192 | $30.1M | 0.07% | −32,989−8.3% | Reduced |
| Storebrand Asset Management AS | 375,465 | $31.0M | 0.15% | −2,287−0.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 383,279 | $31.6M | 0.04% | +262,079+216.2% | Added |
| Two Sigma Investments, LP | 387,549 | $32.0M | 0.09% | +377,340+3,696.2% | Added |
| GAM Holding AG | 435,371 | $35.9M | 1.67% | +435,371 | New |
| California Public Employees Retirement System | 455,009 | $37.5M | 0.03% | −2,671−0.6% | Reduced |
| APG Asset Management N.V. | 542,470 | $38.6M | 0.07% | −32,500−5.7% | Reduced |
| Bank of Montreal | 480,179 | $40.0M | 0.02% | +61,980+14.8% | Added |
| AustralianSuper Pty Ltd | 491,095 | $40.5M | 0.26% | +15,805+3.3% | Added |
| American Century Companies Inc | 493,196 | $40.7M | 0.03% | −307,445−38.4% | Reduced |
| Amundi | 517,841 | $42.7M | 0.03% | +12,797+2.5% | Added |
| O'Shaughnessy Asset Management, LLC | 525,157 | $43.3M | 0.89% | −139,359−21.0% | Reduced |
| Assetmark, Inc | 581,897 | $48.0M | 0.22% | −14,512−2.4% | Reduced |
| Royal Bank of Canada | 590,401 | $48.7M | 0.01% | +149,960+34.0% | Added |
| KBC Group NV | 594,754 | $49.1M | 0.18% | +174,958+41.7% | Added |
| Cacti Asset Management LLC | 602,651 | $49.7M | 4.22% | −20,200−3.2% | Reduced |
| Voloridge Investment Management, LLC | 617,218 | $50.9M | 0.33% | +3,925+0.6% | Added |
| Ameriprise Financial Inc | 624,312 | $51.5M | 0.02% | +36,013+6.1% | Added |
| Raymond James & Associates | 638,505 | $52.7M | 0.05% | +19,908+3.2% | Added |
| Partners Capital Investment Group, LLP | 650,030 | $53.6M | 2.46% | +9,135+1.4% | Added |
| Antipodes Partners Ltd | 717,129 | $59.2M | 2.02% | +717,129 | New |
| Two Sigma Advisers, LP | 732,300 | $60.4M | 0.16% | +91,400+14.3% | Added |
| Swiss National Bank | 814,253 | $67.2M | 0.04% | −54,300−6.3% | Reduced |
| Sanders Capital, LLC | 939,899 | $77.6M | 0.18% | +939,899 | New |
| Macquarie Group Ltd | 973,601 | $80.3M | 0.07% | +92,964+10.6% | Added |
| Charles Schwab Investment Management Inc | 1,061,914 | $87.6M | 0.03% | +20,860+2.0% | Added |
| Parametric Portfolio Associates LLC | 1,097,498 | $90.6M | 0.05% | −457,206−29.4% | Reduced |
| Swedbank AB | 1,113,514 | $91.9M | 0.17% | −102,452−8.4% | Reduced |
| Robeco Institutional Asset Management B.V. | 1,155,354 | $95.3M | 0.21% | +12,103+1.1% | Added |
| UBS Asset Management Americas Inc | 1,217,631 | $100.5M | 0.04% | +1,217,631 | New |
| Goldman Sachs Group Inc | 1,218,334 | $100.5M | 0.03% | +302,510+33.0% | Added |
| Parnassus Investments | 1,246,543 | $102.9M | 0.22% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,268,520 | $104.7M | 0.02% | −60,732−4.6% | Reduced |
| Polar Capital Holdings Plc | 1,333,776 | $110.1M | 0.61% | −108,964−7.6% | Reduced |
| Wellington Management Group LLP | 1,361,109 | $112.3M | 0.02% | +160,638+13.4% | Added |
| Dimensional Fund Advisors LP | 1,710,633 | $141.2M | 0.05% | −90,842−5.0% | Reduced |
| Janus Henderson Group PLC | 1,816,715 | $149.9M | 0.07% | −346,509−16.0% | Reduced |
| Invesco Ltd. | 1,917,405 | $158.2M | 0.04% | −652,922−25.4% | Reduced |
| Allianz Asset Management GmbH | 1,978,296 | $163.2M | 0.14% | +306,857+18.4% | Added |
| Norges Bank | 1,982,570 | $163.6M | 0.04% | −42,798−2.1% | Reduced |
| Legal & General Group Plc | 2,222,453 | $183.4M | 0.06% | +122,484+5.8% | Added |
| Northern Trust Corp | 2,385,593 | $196.9M | 0.03% | +98,784+4.3% | Added |
| Bank of New York Mellon Corp | 2,447,561 | $202.0M | 0.04% | +241,439+10.9% | Added |
| Geode Capital Management, LLC | 3,426,133 | $282.0M | 0.04% | +168,220+5.2% | Added |
| Morgan Stanley | 4,194,824 | $346.2M | 0.05% | +169,996+4.2% | Added |
| LSV Asset Management | 5,851,912 | $482.9M | 0.87% | −176,440−2.9% | Reduced |
| Bank of America Corp | 7,887,942 | $650.9M | 0.07% | +103,960+1.3% | Added |
| FMR LLC | 8,203,886 | $677.0M | 0.05% | −1,835,712−18.3% | Reduced |
| State Street Corp | 9,136,717 | $760.0M | 0.04% | −237,117−2.5% | Reduced |
| Clearbridge Investments, LLC | 10,253,106 | $846.1M | 0.60% | −149,704−1.4% | Reduced |
| JPMorgan Chase & Co | 13,280,676 | $1.10B | 0.15% | +799,085+6.4% | Added |
| BlackRock Inc. | 15,980,483 | $1.32B | 0.04% | +181,752+1.2% | Added |
| ValueAct Holdings, L.P.SuperinvestorValueAct Capital | 17,377,070 | $1.43B | 16.61% | 00.0% | Unchanged |
| Vanguard Group Inc | 24,530,214 | $2.02B | 0.05% | +314,928+1.3% | Added |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −106,100−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −54,365−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −45,380−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −41,995−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −28,856−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −23,181−100.0% | Sold out |