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 |
|---|---|---|---|---|---|
| Rivermont Capital Management LP | 150,211 | $35.5M | 9.37% | +150,211 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 149,251 | $35.2M | 0.06% | +28,981+24.1% | Added |
| Squarepoint Ops LLC | 148,100 | $35.0M | 0.07% | −228,472−60.7% | Reduced |
| Liontrust Investment Partners LLP | 143,564 | $33.9M | 0.50% | −212,865−59.7% | Reduced |
| Hallmark Capital Management Inc | 139,915 | $33.0M | 2.18% | −24,190−14.7% | Reduced |
| Deroy & Devereaux Private Investment Counsel Inc | 138,429 | $32.7M | 1.63% | +15,143+12.3% | Added |
| Natixis Advisors, L.P. | 134,483 | $31.7M | 0.05% | +70,176+109.1% | Added |
| State of Wisconsin Investment Board | 133,244 | $31.5M | 0.07% | +11,286+9.3% | Added |
| Quantinno Capital Management LP | 130,322 | $30.8M | 0.08% | +46,955+56.3% | Added |
| Manufacturers Life Insurance Company, The | 129,873 | $30.7M | 0.03% | +1,986+1.6% | Added |
| Handelsbanken Fonder AB | 129,321 | $30.5M | 0.10% | −218−0.2% | Reduced |
| Pictet Asset Management Holding SA | 128,702 | $30.4M | 0.03% | +1,587+1.2% | Added |
| Neuberger Berman Group LLC | 128,371 | $30.3M | 0.02% | −528,897−80.5% | Reduced |
| Alps Advisors Inc | 125,131 | $29.5M | 0.16% | −63,488−33.7% | Reduced |
| Massachusetts Financial Services Co | 124,747 | $29.4M | 0.01% | +124,747 | New |
| Point72 Hong Kong Ltd | 123,115 | $29.1M | 1.34% | +88,516+255.8% | Added |
| Wellington Management Group LLP | 120,712 | $28.5M | 0.00% | −104,159−46.3% | Reduced |
| Atika Capital Management LLC | 118,096 | $27.9M | 2.37% | +118,096 | New |
| CCM Investment Advisers LLC | 115,995 | $27.4M | 2.70% | −38,338−24.8% | Reduced |
| Victory Capital Management Inc | 115,170 | $27.2M | 0.02% | −92,107−44.4% | Reduced |
| Cetera Investment Advisers | 114,815 | $27.1M | 0.03% | +22,056+23.8% | Added |
| Danske Bank A/S | 114,304 | $27.0M | 0.07% | +1,187+1.0% | Added |
| Apis Capital Advisors, LLC | 114,300 | $27.0M | 5.96% | +60,300+111.7% | Added |
| Voya Investment Management LLC | 114,133 | $26.9M | 0.03% | −7,584−6.2% | Reduced |
| Talos Asset Management LP | 112,400 | $26.5M | 5.11% | −44,700−28.5% | Reduced |
| Boothbay Fund Management, LLC | 109,534 | $25.9M | 0.67% | +9,950+10.0% | Added |
| Hosking Partners LLP | 109,280 | $25.8M | 0.93% | −1,978−1.8% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 108,745 | $25.7M | 0.07% | −3,347−3.0% | Reduced |
| APG Asset Management N.V. | 125,628 | $25.2M | 0.07% | 00.0% | Unchanged |
| ARS Investment Partners, LLC | 104,387 | $24.6M | 1.63% | −19,454−15.7% | Reduced |
| Kinetic Partners Management, LP | 100,300 | $23.7M | 1.15% | +100,300 | New |
| Citadel Advisors LLC | 96,333 | $22.7M | 0.02% | −419,703−81.3% | Reduced |
| WT Asset Management Ltd | 95,000 | $22.4M | 1.04% | +95,000 | New |
| Marshall Wace, LLP | 93,371 | $22.0M | 0.02% | +93,371 | New |
| Janney Montgomery Scott LLC | 92,214 | $21.8M | 0.05% | −1,080−1.2% | Reduced |
| TD Asset Management Inc | 91,449 | $21.6M | 0.02% | −15,548−14.5% | Reduced |
| Ensign Peak Advisors, Inc | 91,341 | $21.6M | 0.04% | +5,345+6.2% | Added |
| Asset Management One Co.,Ltd. | 90,432 | $21.3M | 0.06% | +390+0.4% | Added |
| Royal London Asset Management Ltd | 88,453 | $20.9M | 0.04% | +797+0.9% | Added |
| O'Shaughnessy Asset Management, LLC | 88,127 | $20.8M | 0.12% | +25,925+41.7% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 86,991 | $20.5M | 0.05% | −2,785−3.1% | Reduced |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 85,900 | $20.3M | 0.52% | −111,590−56.5% | Reduced |
| HSBC Holdings PLC | 87,085 | $20.2M | 0.01% | +2,756+3.3% | Added |
| La Banque Postale Asset Management SA | 84,419 | $19.9M | 0.25% | −25,720−23.4% | Reduced |
| Potrero Capital Research LLC | 82,100 | $19.4M | 5.89% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 80,637 | $19.0M | 0.02% | −7,552−8.6% | Reduced |
| Nomura Asset Management Co Ltd | 80,208 | $18.9M | 0.05% | −26,924−25.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 80,101 | $18.9M | 0.03% | +57,200+249.8% | Added |
| Hancock Whitney Corp | 78,106 | $18.4M | 0.34% | +3,150+4.2% | Added |
| Credit Agricole S A | 77,804 | $18.4M | 0.06% | +77,804 | New |
| Clearbridge Investments, LLC | 77,111 | $18.2M | 0.01% | +11,838+18.1% | Added |
| KLP Kapitalforvaltning AS | 76,695 | $18.2M | 0.07% | +3,400+4.6% | Added |
| Keystone Financial Group | 67,788 | $18.1M | 1.38% | +9,625+16.5% | Added |
| Zweig-DiMenna Associates LLC | 76,225 | $18.0M | 1.40% | +6,125+8.7% | Added |
| Advisor Group Holdings, Inc. | 87,659 | $17.6M | 0.02% | +19,544+28.7% | Added |
| State of New Jersey Common Pension Fund D | 74,406 | $17.6M | 0.06% | +5,294+7.7% | Added |
| HighTower Advisors, LLC | 73,916 | $17.4M | 0.02% | −3,156−4.1% | Reduced |
| Rafferty Asset Management, LLC | 73,844 | $17.4M | 0.06% | +972+1.3% | Added |
| Trexquant Investment LP | 73,688 | $17.4M | 0.18% | +65,207+768.9% | Added |
| NewSquare Capital LLC | 73,181 | $17.3M | 1.17% | −282−0.4% | Reduced |
| Jane Street Group, LLC | 73,074 | $17.2M | 0.02% | −37,106−33.7% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 71,015 | $16.8M | 2.60% | +69,267+3,962.6% | Added |
| State of Tennessee, Treasury Department | 70,842 | $16.7M | 0.06% | +28,223+66.2% | Added |
| Aufman Associates Inc | 70,392 | $16.6M | 9.35% | −89−0.1% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 68,647 | $16.2M | 0.08% | +4,227+6.6% | Added |
| Verition Fund Management LLC | 68,162 | $16.1M | 0.09% | −54,899−44.6% | Reduced |
| Cercano Management LLC | 63,842 | $15.1M | 0.58% | +63,842 | New |
| Arizona State Retirement System | 62,597 | $14.8M | 0.08% | +760+1.2% | Added |
| KWMG, LLC | 62,124 | $14.7M | 1.28% | −2,307−3.6% | Reduced |
| Parallax Volatility Advisers, L.P. | 61,992 | $14.6M | 0.43% | +61,992 | New |
| Nomura Holdings Inc | 60,937 | $14.4M | 0.07% | +14,510+31.3% | Added |
| Macquarie Group Ltd | 60,637 | $14.3M | 0.02% | −13,433−18.1% | Reduced |
| GF Fund Management Co. Ltd. | 59,800 | $14.1M | 0.26% | +59,800 | New |
| Inlet Private Wealth, LLC | 59,650 | $14.1M | 3.18% | 00.0% | Unchanged |
| L & S Advisors Inc | 59,569 | $14.1M | 1.35% | +7,544+14.5% | Added |
| CIBC World Markets Inc. | 59,458 | $14.0M | 0.03% | +2,338+4.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 58,511 | $13.8M | 0.04% | +30,700+110.4% | Added |
| The PNC Financial Services Group, Inc. | 58,179 | $13.7M | 0.01% | +7,050+13.8% | Added |
| Wolverine Asset Management LLC | 57,979 | $13.7M | 0.20% | +57,979 | New |
| Resona Asset Management Co.,Ltd. | 57,744 | $13.6M | 0.06% | −9,112−13.6% | Reduced |
| State of Michigan Retirement System | 57,505 | $13.6M | 0.07% | −200−0.3% | Reduced |
| Renaissance Technologies LLC | 57,064 | $13.5M | 0.02% | −528,229−90.3% | Reduced |
| Voloridge Investment Management, LLC | 56,881 | $13.4M | 0.05% | −490,275−89.6% | Reduced |
| Bell Bank | 56,353 | $13.3M | 0.58% | −15,232−21.3% | Reduced |
| Creative Planning | 56,140 | $13.3M | 0.01% | +6,337+12.7% | Added |
| Windward Capital Management Co | 55,892 | $13.2M | 1.05% | −383−0.7% | Reduced |
| Acadian Asset Management LLC | 55,650 | $13.1M | 0.02% | +48,397+667.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 55,318 | $13.1M | 0.03% | −1,226−2.2% | Reduced |
| Clearstead Advisors, LLC | 54,909 | $13.0M | 0.19% | −32,982−37.5% | Reduced |
| PDT Partners, LLC | 54,482 | $12.9M | 0.81% | +44,673+455.4% | Added |
| Nisa Investment Advisors, LLC | 54,001 | $12.8M | 0.05% | +22,789+73.0% | Added |
| Czech National Bank | 54,016 | $12.8M | 0.09% | +2,143+4.1% | Added |
| Woodline Partners LP | 53,648 | $12.7M | 0.06% | −129,879−70.8% | Reduced |
| Genus Capital Management Inc. | 53,390 | $12.6M | 1.46% | −16,712−23.8% | Reduced |
| Twin Lakes Capital Management, LLC | 52,467 | $12.4M | 5.73% | 00.0% | Unchanged |
| SEI Investments Co | 51,695 | $12.2M | 0.01% | +43,152+505.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 51,072 | $12.1M | 0.06% | −975−1.9% | Reduced |
| Panoramic Capital, LLC | 50,981 | $12.0M | 7.62% | −57,235−52.9% | Reduced |
| Keybank National Association | 50,969 | $12.0M | 0.04% | −8,289−14.0% | Reduced |
| Keystone Investors Pte Ltd | 50,321 | $11.9M | 1.37% | +18,000+55.7% | Added |