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, Q2 2026
Institutional positions in Seagate Technology Holdings plc as of Jun 30, 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
- 1,973
- +520 vs. Q1 2026
- Shares held
- 188.5M
- −677.3K (−0.4%) vs. Q1 2026
- Total value
- $181.1B
- +$107.3B (+145.4%) vs. Q1 2026
- New holders
- 587
- 629 more added
- Sold out
- 67
- 604 more reduced
19 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Zweig-DiMenna Associates LLC | 17,844 | $17.2M | 1.56% | 00.0% | Unchanged |
| VMS Asset Management Limited | 17,871 | $17.2M | 5.48% | +17,871 | New |
| CVFG LLC | 17,875 | $17.2M | 1.81% | −4,816−21.2% | Reduced |
| Icon Advisers Inc | 18,001 | $17.4M | 3.27% | −10,962−37.8% | Reduced |
| Kestra Private Wealth Services, LLC | 18,683 | $18.0M | 0.20% | −4,474−19.3% | Reduced |
| Profund Advisors LLC | 18,691 | $18.0M | 0.50% | +1,991+11.9% | Added |
| Untitled Investments LP | 18,958 | $18.3M | 7.12% | +18,958 | New |
| Aragon Global Management, LP | 19,043 | $18.4M | 6.96% | +19,043 | New |
| Ethic Inc. | 19,485 | $18.8M | 0.23% | −1,265−6.1% | Reduced |
| Berkshire Capital Holdings Inc | 19,590 | $18.9M | 4.09% | +19,580+195,800.0% | Added |
| Illinois Municipal Retirement Fund | 19,605 | $18.9M | 0.21% | +1,455+8.0% | Added |
| Brinker Capital Investments, LLC | 19,870 | $19.2M | 0.15% | +2,538+14.6% | Added |
| PEAK6 LLC | 20,194 | $19.5M | 0.47% | −25,334−55.6% | Reduced |
| PDT Partners, LLC | 20,300 | $19.6M | 1.03% | +20,300 | New |
| Yousif Capital Management, LLC | 20,559 | $19.8M | 0.22% | −1,480−6.7% | Reduced |
| Cornerstone Advisors, LLC | 20,622 | $19.9M | 0.66% | 00.0% | Unchanged |
| Tortoise Capital Advisors, L.L.C. | 20,722 | $20.0M | 0.20% | +1,734+9.1% | Added |
| Mutual of America Capital Management LLC | 20,899 | $20.2M | 0.20% | −2,293−9.9% | Reduced |
| Prime Capital Investment Advisors, LLC | 21,047 | $20.3M | 0.20% | −7,995−27.5% | Reduced |
| QRG Capital Management, Inc. | 21,081 | $20.3M | 0.17% | +2,826+15.5% | Added |
| Norinchukin Bank, The | 21,112 | $20.4M | 0.20% | +917+4.5% | Added |
| Abn Amro Investment Solutions | 21,263 | $20.5M | 0.18% | +7,191+51.1% | Added |
| Taikang Asset Management (Hong Kong) Co Ltd | 21,764 | $21.0M | 1.91% | −9,980−31.4% | Reduced |
| State of Alaska, Department of Revenue | 21,971 | $21.2M | 0.21% | +215+1.0% | Added |
| Prospera Financial Services Inc | 22,041 | $21.3M | 0.31% | +744+3.5% | Added |
| CAPROCK Group, Inc. | 22,051 | $21.3M | 0.41% | −537−2.4% | Reduced |
| Aquatic Capital Management LLC | 22,073 | $21.3M | 0.73% | −10,646−32.5% | Reduced |
| Zevenbergen Capital Investments LLC | 22,100 | $21.3M | 0.49% | +3,600+19.5% | Added |
| Utah Retirement Systems | 22,330 | $21.5M | 0.20% | −1,493−6.3% | Reduced |
| Windward Capital Management Co | 22,412 | $21.6M | 1.64% | −14,329−39.0% | Reduced |
| Temasek Holdings (Private) Ltd | 22,443 | $21.7M | 0.06% | −35,661−61.4% | Reduced |
| Allstate Corp | 22,501 | $21.7M | 0.22% | +153+0.7% | Added |
| Teachers Retirement System of the State of Kentucky | 22,623 | $21.8M | 0.15% | +6,083+36.8% | Added |
| Eventide Asset Management, LLC | 23,637 | $22.8M | 0.31% | +1,990+9.2% | Added |
| Federation des caisses Desjardins du Quebec | 24,354 | $23.5M | 0.07% | −8,400−25.6% | Reduced |
| Picton Mahoney Asset Management | 24,489 | $23.6M | 0.22% | −1,681−6.4% | Reduced |
| Shelton Capital Management | 24,760 | $23.9M | 0.44% | −395−1.6% | Reduced |
| Rheos Capital Works Inc. | 25,000 | $24.1M | 1.38% | −42,500−63.0% | Reduced |
| Maplelane Capital, LLC | 25,001 | $24.1M | 1.01% | +25,001 | New |
| Portman Square Capital LLP | 25,167 | $24.3M | 4.14% | +25,167 | New |
| CI Private Wealth, LLC | 25,430 | $24.5M | 0.03% | −10,805−29.8% | Reduced |
| Xponance, Inc. | 25,464 | $24.6M | 0.15% | +1,088+4.5% | Added |
| Fifth Third Bancorp | 25,854 | $24.9M | 0.04% | −344−1.3% | Reduced |
| Louisiana State Employees Retirement System | 25,900 | $25.0M | 0.37% | +500+2.0% | Added |
| Empowered Funds, LLC | 26,031 | $25.1M | 0.13% | −16,185−38.3% | Reduced |
| Chapin Davis, Inc. | 26,495 | $25.6M | 4.50% | −8,415−24.1% | Reduced |
| Lifeworks Advisors, LLC | 26,621 | $25.7M | 2.69% | −1,116−4.0% | Reduced |
| M&T Bank Corp | 26,808 | $25.9M | 0.08% | −1,849−6.5% | Reduced |
| Gateway Investment Advisers LLC | 27,093 | $26.1M | 0.26% | +24,308+872.8% | Added |
| Calamos Advisors LLC | 27,448 | $26.5M | 0.10% | +4,235+18.2% | Added |
| Parkwood LLC | 27,492 | $26.5M | 1.90% | −21,242−43.6% | Reduced |
| Oregon Public Employees Retirement Fund | 27,553 | $26.6M | 0.29% | +2,582+10.3% | Added |
| Ariose Capital Management Ltd | 27,616 | $26.6M | 11.38% | −68,984−71.4% | Reduced |
| Walleye Capital LLC | 27,721 | $26.8M | 0.13% | −109,707−79.8% | Reduced |
| Ritholtz Wealth Management | 27,787 | $26.8M | 0.40% | +590+2.2% | Added |
| Allworth Financial LP | 28,011 | $27.0M | 0.12% | +20.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 31,530 | $27.4M | 0.05% | +6,307+25.0% | Added |
| Amalgamated Bank | 28,511 | $27.5M | 0.19% | −227−0.8% | Reduced |
| Artisan Partners Limited Partnership | 28,653 | $27.7M | 0.05% | −54,819−65.7% | Reduced |
| Andra AP-fonden | 28,927 | $27.9M | 0.32% | −3,760−11.5% | Reduced |
| Liontrust Investment Partners LLP | 29,040 | $28.0M | 0.41% | +29,040 | New |
| Los Angeles Capital Management LLC | 29,123 | $28.1M | 0.10% | −53,996−65.0% | Reduced |
| GWM Advisors LLC | 29,426 | $28.4M | 0.08% | +7,380+33.5% | Added |
| ASR Vermogensbeheer N.V. | 29,647 | $28.6M | 0.29% | +5,761+24.1% | Added |
| D1 Capital Partners L.P.SuperinvestorD1 Capital Partners | 30,115 | $29.1M | 0.08% | +30,115 | New |
| Old Port Advisors | 30,342 | $29.3M | 5.78% | −1,724−5.4% | Reduced |
| Omers Administration Corp | 30,682 | $29.6M | 0.18% | +6,142+25.0% | Added |
| Delta Global Management LP | 31,035 | $29.9M | 3.25% | +27,382+749.6% | Added |
| Hanson & Doremus Investment Management | 31,488 | $30.4M | 3.09% | −1,775−5.3% | Reduced |
| Affinity Wealth Management LLC | 31,734 | $30.6M | 3.94% | −317−1.0% | Reduced |
| Harvest Fund Management Co., Ltd | 32,070 | $30.9M | 1.02% | +443+1.4% | Added |
| CIBC Bancorp USA Inc. | 32,311 | $31.2M | 0.04% | −10,531−24.6% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 32,384 | $31.3M | 0.21% | −5,332−14.1% | Reduced |
| ARS Investment Partners, LLC | 32,635 | $31.5M | 1.38% | −24,566−42.9% | Reduced |
| British Columbia Investment Management Corp | 32,705 | $31.6M | 0.20% | +2,678+8.9% | Added |
| Varma Mutual Pension Insurance Co | 33,300 | $32.1M | 0.17% | −10,800−24.5% | Reduced |
| Intech Investment Management LLC | 34,514 | $33.3M | 0.31% | +13,263+62.4% | Added |
| Investment Management Corp of Ontario | 34,916 | $33.7M | 0.43% | +2,034+6.2% | Added |
| Talos Asset Management LP | 35,000 | $33.8M | 4.96% | +35,000 | New |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 35,240 | $34.0M | 5.47% | +35,240 | New |
| Hancock Whitney Corp | 35,255 | $34.0M | 0.57% | −16,797−32.3% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 35,538 | $34.3M | 0.08% | −3,082−8.0% | Reduced |
| US Bancorp | 35,553 | $34.3M | 0.04% | +8,424+31.1% | Added |
| Apis Capital Advisors, LLC | 35,590 | $34.3M | 3.34% | −24,010−40.3% | Reduced |
| Truist Financial Corp | 36,071 | $34.8M | 0.04% | −260−0.7% | Reduced |
| IMC-Chicago, LLC | 36,749 | $35.5M | 0.33% | +22,001+149.2% | Added |
| Lido Advisors, LLC | 36,974 | $35.7M | 0.13% | +19,271+108.9% | Added |
| Deroy & Devereaux Private Investment Counsel Inc | 38,753 | $37.4M | 1.56% | −67,941−63.7% | Reduced |
| Rokos Capital Management LLP | 39,320 | $37.9M | 0.48% | −86,171−68.7% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 39,500 | $38.2M | 0.24% | −41,500−51.2% | Reduced |
| Harvest Portfolios Group Inc. | 39,675 | $38.3M | 0.54% | −23,835−37.5% | Reduced |
| Panoramic Capital, LLC | 40,275 | $38.9M | 16.72% | +1,799+4.7% | Added |
| Vident Advisory, LLC | 41,290 | $39.8M | 0.30% | +10,799+35.4% | Added |
| JustInvest LLC | 41,574 | $40.1M | 0.33% | +1,127+2.8% | Added |
| Generali Asset Management SPA SGR | 41,795 | $40.3M | 0.73% | +22,215+113.5% | Added |
| Boothbay Fund Management, LLC | 42,220 | $40.7M | 0.78% | −51,055−54.7% | Reduced |
| Rockefeller Capital Management L.P. | 42,320 | $40.8M | 0.06% | +11,616+37.8% | Added |
| Sanctuary Advisors, LLC | 42,792 | $41.3M | 0.19% | +10,403+32.1% | Added |
| Indivisible Partners | 43,306 | $41.8M | 2.36% | −1,673−3.7% | Reduced |
| E Fund Management Co., Ltd. | 43,312 | $41.8M | 0.94% | +30,400+235.4% | Added |