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, Q3 2025
Institutional positions in Seagate Technology Holdings plc as of Sep 30, 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
- 1,126
- +193 vs. Q2 2025
- Shares held
- 194.2M
- −3.26M (−1.6%) vs. Q2 2025
- Total value
- $45.8B
- +$17.3B (+60.5%) vs. Q2 2025
- New holders
- 276
- 370 more added
- Sold out
- 83
- 323 more reduced
23 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Toroso Investments, LLC | 39,657 | $9.36M | 0.04% | +12,499+46.0% | Added |
| LMR Partners LLP | 40,000 | $9.44M | 0.12% | −386,523−90.6% | Reduced |
| Chicago Capital, LLC | 40,415 | $9.54M | 0.23% | +20,941+107.5% | Added |
| Stablepoint Partners, LLC | 40,677 | $9.60M | 1.52% | −11,228−21.6% | Reduced |
| Gotham Asset Management, LLC | 41,380 | $9.77M | 0.04% | −4,651−10.1% | Reduced |
| Wealthfront Advisers LLC | 41,581 | $9.82M | 0.02% | +3,121+8.1% | Added |
| Eventide Asset Management, LLC | 41,768 | $9.82M | 0.16% | +41,768 | New |
| Fred Alger Management, LLC | 41,517 | $9.83M | 0.04% | +41,517 | New |
| Susquehanna Fundamental Investments, LLC | 42,398 | $10.0M | 0.39% | 00.0% | Unchanged |
| USS Investment Management Ltd | 44,941 | $10.6M | 0.05% | 00.0% | Unchanged |
| Retirement Systems of Alabama | 45,367 | $10.7M | 0.04% | −170−0.4% | Reduced |
| ProShare Advisors LLC | 45,423 | $10.7M | 0.02% | −11,345−20.0% | Reduced |
| Swedbank AB | 45,581 | $10.8M | 0.01% | +638+1.4% | Added |
| Schonfeld Strategic Advisors LLC | 45,774 | $10.8M | 0.08% | −61,099−57.2% | Reduced |
| DnB Asset Management AS | 45,948 | $10.8M | 0.04% | +7,154+18.4% | Added |
| Forsta Ap-Fonden | 46,100 | $10.9M | 0.06% | +2,100+4.8% | Added |
| Cerity Partners LLC | 46,542 | $11.0M | 0.02% | +9,860+26.9% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 46,934 | $11.1M | 0.09% | +4,879+11.6% | Added |
| Icon Advisers Inc | 47,494 | $11.2M | 2.45% | 00.0% | Unchanged |
| Taikang Asset Management (Hong Kong) Co Ltd | 47,857 | $11.3M | 1.26% | +47,857 | New |
| New York State Common Retirement Fund | 48,429 | $11.4M | 0.01% | 00.0% | Unchanged |
| Situational Awareness LP | 48,567 | $11.5M | 0.51% | +48,567 | New |
| Mariner, LLC | 48,943 | $11.6M | 0.01% | +3,708+8.2% | Added |
| Truist Financial Corp | 49,193 | $11.6M | 0.02% | +10,311+26.5% | Added |
| MetLife Investment Management | 49,221 | $11.6M | 0.06% | −1,314−2.6% | Reduced |
| Advisory Services Network, LLC | 49,947 | $11.8M | 0.17% | +12,607+33.8% | Added |
| Keystone Investors Pte Ltd | 50,321 | $11.9M | 1.37% | +18,000+55.7% | Added |
| Keybank National Association | 50,969 | $12.0M | 0.04% | −8,289−14.0% | Reduced |
| Panoramic Capital, LLC | 50,981 | $12.0M | 7.62% | −57,235−52.9% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 51,072 | $12.1M | 0.06% | −975−1.9% | Reduced |
| SEI Investments Co | 51,695 | $12.2M | 0.01% | +43,152+505.1% | Added |
| Twin Lakes Capital Management, LLC | 52,467 | $12.4M | 5.73% | 00.0% | Unchanged |
| Genus Capital Management Inc. | 53,390 | $12.6M | 1.46% | −16,712−23.8% | Reduced |
| Woodline Partners LP | 53,648 | $12.7M | 0.06% | −129,879−70.8% | Reduced |
| Czech National Bank | 54,016 | $12.8M | 0.09% | +2,143+4.1% | Added |
| Nisa Investment Advisors, LLC | 54,001 | $12.8M | 0.05% | +22,789+73.0% | Added |
| PDT Partners, LLC | 54,482 | $12.9M | 0.81% | +44,673+455.4% | Added |
| Clearstead Advisors, LLC | 54,909 | $13.0M | 0.19% | −32,982−37.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 55,318 | $13.1M | 0.03% | −1,226−2.2% | Reduced |
| Acadian Asset Management LLC | 55,650 | $13.1M | 0.02% | +48,397+667.3% | Added |
| Windward Capital Management Co | 55,892 | $13.2M | 1.05% | −383−0.7% | Reduced |
| Creative Planning | 56,140 | $13.3M | 0.01% | +6,337+12.7% | Added |
| Bell Bank | 56,353 | $13.3M | 0.58% | −15,232−21.3% | Reduced |
| Voloridge Investment Management, LLC | 56,881 | $13.4M | 0.05% | −490,275−89.6% | Reduced |
| Renaissance Technologies LLC | 57,064 | $13.5M | 0.02% | −528,229−90.3% | Reduced |
| State of Michigan Retirement System | 57,505 | $13.6M | 0.07% | −200−0.3% | Reduced |
| Resona Asset Management Co.,Ltd. | 57,744 | $13.6M | 0.06% | −9,112−13.6% | Reduced |
| Wolverine Asset Management LLC | 57,979 | $13.7M | 0.20% | +57,979 | New |
| The PNC Financial Services Group, Inc. | 58,179 | $13.7M | 0.01% | +7,050+13.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 58,511 | $13.8M | 0.04% | +30,700+110.4% | Added |
| CIBC World Markets Inc. | 59,458 | $14.0M | 0.03% | +2,338+4.1% | Added |
| L & S Advisors Inc | 59,569 | $14.1M | 1.35% | +7,544+14.5% | Added |
| Inlet Private Wealth, LLC | 59,650 | $14.1M | 3.18% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 59,800 | $14.1M | 0.26% | +59,800 | New |
| Macquarie Group Ltd | 60,637 | $14.3M | 0.02% | −13,433−18.1% | Reduced |
| Nomura Holdings Inc | 60,937 | $14.4M | 0.07% | +14,510+31.3% | Added |
| Parallax Volatility Advisers, L.P. | 61,992 | $14.6M | 0.43% | +61,992 | New |
| KWMG, LLC | 62,124 | $14.7M | 1.28% | −2,307−3.6% | Reduced |
| Arizona State Retirement System | 62,597 | $14.8M | 0.08% | +760+1.2% | Added |
| Cercano Management LLC | 63,842 | $15.1M | 0.58% | +63,842 | New |
| Verition Fund Management LLC | 68,162 | $16.1M | 0.09% | −54,899−44.6% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 68,647 | $16.2M | 0.08% | +4,227+6.6% | Added |
| Aufman Associates Inc | 70,392 | $16.6M | 9.35% | −89−0.1% | Reduced |
| State of Tennessee, Treasury Department | 70,842 | $16.7M | 0.06% | +28,223+66.2% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 71,015 | $16.8M | 2.60% | +69,267+3,962.6% | Added |
| Jane Street Group, LLC | 73,074 | $17.2M | 0.02% | −37,106−33.7% | Reduced |
| NewSquare Capital LLC | 73,181 | $17.3M | 1.17% | −282−0.4% | Reduced |
| Trexquant Investment LP | 73,688 | $17.4M | 0.18% | +65,207+768.9% | Added |
| Rafferty Asset Management, LLC | 73,844 | $17.4M | 0.06% | +972+1.3% | Added |
| HighTower Advisors, LLC | 73,916 | $17.4M | 0.02% | −3,156−4.1% | Reduced |
| State of New Jersey Common Pension Fund D | 74,406 | $17.6M | 0.06% | +5,294+7.7% | Added |
| Advisor Group Holdings, Inc. | 87,659 | $17.6M | 0.02% | +19,544+28.7% | Added |
| Zweig-DiMenna Associates LLC | 76,225 | $18.0M | 1.40% | +6,125+8.7% | Added |
| Keystone Financial Group | 67,788 | $18.1M | 1.38% | +9,625+16.5% | Added |
| KLP Kapitalforvaltning AS | 76,695 | $18.2M | 0.07% | +3,400+4.6% | Added |
| Clearbridge Investments, LLC | 77,111 | $18.2M | 0.01% | +11,838+18.1% | Added |
| Credit Agricole S A | 77,804 | $18.4M | 0.06% | +77,804 | New |
| Hancock Whitney Corp | 78,106 | $18.4M | 0.34% | +3,150+4.2% | Added |
| Adage Capital Partners GP, L.L.C. | 80,101 | $18.9M | 0.03% | +57,200+249.8% | Added |
| Nomura Asset Management Co Ltd | 80,208 | $18.9M | 0.05% | −26,924−25.1% | Reduced |
| Commonwealth Equity Services, LLC | 80,637 | $19.0M | 0.02% | −7,552−8.6% | Reduced |
| Potrero Capital Research LLC | 82,100 | $19.4M | 5.89% | 00.0% | Unchanged |
| La Banque Postale Asset Management SA | 84,419 | $19.9M | 0.25% | −25,720−23.4% | Reduced |
| HSBC Holdings PLC | 87,085 | $20.2M | 0.01% | +2,756+3.3% | Added |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 85,900 | $20.3M | 0.52% | −111,590−56.5% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 86,991 | $20.5M | 0.05% | −2,785−3.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 88,127 | $20.8M | 0.12% | +25,925+41.7% | Added |
| Royal London Asset Management Ltd | 88,453 | $20.9M | 0.04% | +797+0.9% | Added |
| Asset Management One Co.,Ltd. | 90,432 | $21.3M | 0.06% | +390+0.4% | Added |
| Ensign Peak Advisors, Inc | 91,341 | $21.6M | 0.04% | +5,345+6.2% | Added |
| TD Asset Management Inc | 91,449 | $21.6M | 0.02% | −15,548−14.5% | Reduced |
| Janney Montgomery Scott LLC | 92,214 | $21.8M | 0.05% | −1,080−1.2% | Reduced |
| Marshall Wace, LLP | 93,371 | $22.0M | 0.02% | +93,371 | New |
| WT Asset Management Ltd | 95,000 | $22.4M | 1.04% | +95,000 | New |
| Citadel Advisors LLC | 96,333 | $22.7M | 0.02% | −419,703−81.3% | Reduced |
| Kinetic Partners Management, LP | 100,300 | $23.7M | 1.15% | +100,300 | New |
| ARS Investment Partners, LLC | 104,387 | $24.6M | 1.63% | −19,454−15.7% | Reduced |
| APG Asset Management N.V. | 125,628 | $25.2M | 0.07% | 00.0% | Unchanged |
| Chevy Chase Trust Holdings, Inc. | 108,745 | $25.7M | 0.07% | −3,347−3.0% | Reduced |
| Hosking Partners LLP | 109,280 | $25.8M | 0.93% | −1,978−1.8% | Reduced |