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
- 1,471
- +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
- 496 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 | 1,471 | $74.2B |
| Q4 2025 | 1,279 | $53.5B |
| Q3 2025 | 1,125 | $45.8B |
| Q2 2025 | 955 | $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 |
|---|---|---|---|---|---|
| Investment Management Corp of Ontario | 32,882 | $12.9M | 0.17% | +14,990+83.8% | Added |
| Gotham Asset Management, LLC | 32,965 | $12.9M | 0.04% | −8,468−20.4% | Reduced |
| Hanson & Doremus Investment Management | 33,263 | $13.0M | 1.50% | −2,613−7.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 30,853 | $13.1M | 0.02% | +623+2.1% | Added |
| Chapin Davis, Inc. | 34,910 | $13.7M | 3.05% | −2,932−7.7% | Reduced |
| CI Private Wealth, LLC | 36,235 | $13.8M | 0.02% | +857+2.4% | Added |
| Bell Bank | 35,674 | $14.0M | 0.59% | −13,694−27.7% | Reduced |
| Vinva Investment Management Ltd | 38,889 | $14.1M | 0.18% | +14,574+59.9% | Added |
| DekaBank Deutsche Girozentrale | 37,100 | $14.1M | 0.02% | 00.0% | Unchanged |
| Truist Financial Corp | 36,331 | $14.2M | 0.02% | −8,271−18.5% | Reduced |
| Life Cycle Investment Partners Ltd | 36,520 | $14.3M | 0.09% | +36,520 | New |
| Windward Capital Management Co | 36,741 | $14.4M | 1.17% | −15,514−29.7% | Reduced |
| UNICOM Systems, Inc. | 36,800 | $14.4M | 1.48% | +36,800 | New |
| Northwestern Mutual Wealth Management Co | 37,474 | $14.7M | 0.01% | −3,926−9.5% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 37,716 | $14.8M | 0.12% | +37,716 | New |
| Panoramic Capital, LLC | 38,476 | $15.1M | 10.58% | −15,400−28.6% | Reduced |
| Captrust Financial Advisors | 38,585 | $15.1M | 0.03% | +5,610+17.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 38,620 | $15.1M | 0.04% | +2,236+6.1% | Added |
| Mercer Global Advisors Inc | 38,886 | $15.2M | 0.02% | +1,174+3.1% | Added |
| Public Sector Pension Investment Board | 39,031 | $15.3M | 0.05% | −15,686−28.7% | Reduced |
| Attestor Capital Ltd | 39,222 | $15.4M | 4.05% | +39,222 | New |
| Central Asset Investments & Management Holdings (HK) Ltd | 40,086 | $15.7M | 14.60% | −48,138−54.6% | Reduced |
| JustInvest LLC | 40,447 | $15.8M | 0.16% | +1,870+4.8% | Added |
| Macquarie Group Ltd | 40,857 | $16.0M | 0.10% | −27,084−39.9% | Reduced |
| Jump Financial, LLC | 41,706 | $16.3M | 0.24% | +40,205+2,678.5% | Added |
| Empowered Funds, LLC | 42,216 | $16.5M | 0.11% | −513−1.2% | Reduced |
| CIBC Bancorp USA Inc. | 42,842 | $16.8M | 0.02% | +42,842 | New |
| USS Investment Management Ltd | 42,928 | $16.8M | 0.07% | +1,675+4.1% | Added |
| GF Fund Management Co. Ltd. | 43,764 | $17.1M | 0.29% | −31,373−41.8% | Reduced |
| Varma Mutual Pension Insurance Co | 44,100 | $17.3M | 0.10% | −3,000−6.4% | Reduced |
| Navellier & Associates Inc | 44,380 | $17.4M | 1.81% | +2,533+6.1% | Added |
| Panagora Asset Management Inc | 44,777 | $17.5M | 0.07% | +26,504+145.0% | Added |
| Indivisible Partners | 44,979 | $17.6M | 1.56% | +10,342+29.9% | Added |
| Chicago Capital, LLC | 45,185 | $17.7M | 0.48% | +11,253+33.2% | Added |
| Keybank National Association | 45,324 | $17.8M | 0.06% | −3,012−6.2% | Reduced |
| Trexquant Investment LP | 45,493 | $17.8M | 0.13% | +45,493 | New |
| PEAK6 LLC | 45,528 | $17.8M | 0.52% | −994−2.1% | Reduced |
| Pathstone Holdings, LLC | 45,640 | $17.9M | 0.07% | +7,799+20.6% | Added |
| IFM Investors Pty Ltd | 46,093 | $18.1M | 0.15% | +2,100+4.8% | Added |
| Retirement Systems of Alabama | 46,309 | $18.1M | 0.06% | −40−0.1% | Reduced |
| DnB Asset Management AS | 46,738 | $18.3M | 0.07% | +5,215+12.6% | Added |
| Pacer Advisors, Inc. | 47,290 | $18.5M | 0.05% | −7,205−13.2% | Reduced |
| MetLife Investment Management | 47,381 | $18.6M | 0.09% | −1,282−2.6% | Reduced |
| Eurizon Capital SGR S.p.A. | 48,074 | $18.6M | 0.06% | +48,074 | New |
| Pinpoint Asset Management (Singapore) Pte. Ltd. | 47,806 | $18.7M | 4.40% | +15,203+46.6% | Added |
| Zurich Insurance Group Ltd | 47,881 | $18.8M | 0.15% | +47,881 | New |
| KWMG, LLC | 48,264 | $18.9M | 1.58% | −4,666−8.8% | Reduced |
| FIL Ltd | 48,552 | $19.0M | 0.01% | −9,221−16.0% | Reduced |
| Parkwood LLC | 48,734 | $19.1M | 1.69% | −10,640−17.9% | Reduced |
| Twin Lakes Capital Management, LLC | 49,228 | $19.3M | 8.77% | −2,622−5.1% | Reduced |
| Advisory Services Network, LLC | 49,263 | $19.3M | 0.26% | +1,152+2.4% | Added |
| Nishkama Capital, LLC | 50,266 | $19.7M | 2.80% | +34,866+226.4% | Added |
| TD Waterhouse Canada Inc. | 46,659 | $19.8M | 0.06% | +22,206+90.8% | Added |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 50,700 | $19.9M | 0.68% | +50,700 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 50,799 | $19.9M | 0.10% | +121+0.2% | Added |
| Wealthfront Advisers LLC | 52,350 | $20.5M | 0.05% | +7,899+17.8% | Added |
| Prudential PLC | 52,658 | $20.6M | 0.16% | +20,854+65.6% | Added |
| Atika Capital Management LLC | 53,500 | $21.0M | 3.31% | +1,593+3.1% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 54,108 | $21.2M | 0.12% | +20,100+59.1% | Added |
| Public Employees Retirement Association of Colorado | 55,816 | $21.9M | 0.09% | +35,200+170.7% | Added |
| Resona Asset Management Co.,Ltd. | 55,825 | $21.9M | 0.11% | +2,069+3.8% | Added |
| CIBC World Markets Inc. | 56,891 | $22.3M | 0.04% | +18,377+47.7% | Added |
| State of Michigan Retirement System | 57,005 | $22.3M | 0.12% | 00.0% | Unchanged |
| ARS Investment Partners, LLC | 57,201 | $22.4M | 1.16% | −43,971−43.5% | Reduced |
| SEB Asset Management AB | 58,082 | $22.8M | 0.10% | +58,082 | New |
| Temasek Holdings (Private) Ltd | 58,104 | $22.8M | 0.08% | +58,104 | New |
| Daiwa Securities Group Inc. | 58,131 | $22.8M | 0.07% | +4,058+7.5% | Added |
| Kinetic Partners Management, LP | 59,200 | $23.2M | 1.30% | −36,000−37.8% | Reduced |
| Arizona State Retirement System | 59,200 | $23.2M | 0.14% | +707+1.2% | Added |
| Czech National Bank | 59,391 | $23.3M | 0.15% | +1,942+3.4% | Added |
| Apis Capital Advisors, LLC | 59,600 | $23.3M | 3.60% | −32,800−35.5% | Reduced |
| Nisa Investment Advisors, LLC | 59,999 | $23.5M | 0.09% | +1,386+2.4% | Added |
| Sora Investors LLC | 60,342 | $23.6M | 2.18% | +60,342 | New |
| Cerity Partners LLC | 60,381 | $23.7M | 0.03% | +5,469+10.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 60,557 | $23.7M | 0.05% | +4,328+7.7% | Added |
| Eastern Bank | 61,304 | $24.0M | 0.41% | +11,063+22.0% | Added |
| The PNC Financial Services Group, Inc. | 61,347 | $24.0M | 0.01% | +77+0.1% | Added |
| Fred Alger Management, LLC | 62,559 | $24.5M | 0.11% | +10,209+19.5% | Added |
| Advisor Group Holdings, Inc. | 62,598 | $24.5M | 0.04% | +7,330+13.3% | Added |
| Creative Planning | 62,735 | $24.6M | 0.02% | +3,911+6.6% | Added |
| Achmea Investment Management B.V. | 63,240 | $24.8M | 0.65% | +40,429+177.2% | Added |
| Harvest Portfolios Group Inc. | 63,510 | $24.9M | 0.41% | +63,510 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 64,917 | $25.4M | 0.21% | +13,385+26.0% | Added |
| Aufman Associates Inc | 65,507 | $25.7M | 12.59% | −52−0.1% | Reduced |
| La Banque Postale Asset Management SA | 66,044 | $25.9M | 0.35% | +5,930+9.9% | Added |
| Rheos Capital Works Inc. | 67,500 | $26.4M | 1.77% | −2,500−3.6% | Reduced |
| Toroso Investments, LLC | 68,271 | $26.7M | 0.08% | +22,253+48.4% | Added |
| Hallmark Capital Management Inc | 68,629 | $26.9M | 1.73% | −63,817−48.2% | Reduced |
| Commonwealth Equity Services, LLC | 68,763 | $26.9M | 0.04% | −4,142−5.7% | Reduced |
| Nomura Holdings Inc | 69,370 | $27.2M | 0.23% | +12,939+22.9% | Added |
| HighTower Advisors, LLC | 70,025 | $27.4M | 0.03% | −3,703−5.0% | Reduced |
| Hosking Partners LLP | 71,346 | $28.0M | 1.00% | −26,806−27.3% | Reduced |
| Mariner, LLC | 71,503 | $28.0M | 0.03% | +2,909+4.2% | Added |
| iA Global Asset Management Inc. | 71,918 | $28.2M | 0.40% | +20,677+40.4% | Added |
| Worldquant Millennium Advisors LLC | 72,275 | $28.3M | 0.11% | +51,461+247.2% | Added |
| State of Tennessee, Treasury Department | 74,437 | $29.2M | 0.10% | +1,520+2.1% | Added |
| State of New Jersey Common Pension Fund D | 74,555 | $29.2M | 0.11% | +1,124+1.5% | Added |
| Blue Whale Capital LLP | 77,074 | $30.2M | 1.44% | −71,200−48.0% | Reduced |
| Jones Financial Companies LLLP | 81,382 | $30.9M | 0.01% | +68,179+516.4% | Added |
| Janney Montgomery Scott LLC | 78,978 | $30.9M | 0.08% | −10,933−12.2% | Reduced |