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 |
|---|---|---|---|---|---|
| State of Alaska, Department of Revenue | 22,621 | $5.34M | 0.05% | −1,220−5.1% | Reduced |
| Waterloo Capital, L.P. | 22,546 | $5.32M | 0.40% | −1,937−7.9% | Reduced |
| Public Sector Pension Investment Board | 22,474 | $5.31M | 0.02% | +2,319+11.5% | Added |
| Northwestern Mutual Wealth Management Co | 22,330 | $5.27M | 0.00% | +7,521+50.8% | Added |
| Elo Mutual Pension Insurance Co | 22,265 | $5.26M | 0.09% | +5,092+29.7% | Added |
| Occudo Quantitative Strategies LP | 22,117 | $5.22M | 0.64% | −36,614−62.3% | Reduced |
| Quantessence Capital LLC | 21,982 | $5.19M | 1.64% | +21,982 | New |
| Oppenheimer & Co Inc | 21,870 | $5.16M | 0.06% | +75+0.3% | Added |
| Central Asset Investments & Management Holdings (HK) Ltd | 21,825 | $5.15M | 3.55% | +3,091+16.5% | Added |
| Kestra Advisory Services, LLC | 21,643 | $5.11M | 0.02% | −2,640−10.9% | Reduced |
| Groupe la Francaise | 21,372 | $5.04M | 0.07% | +21,372 | New |
| Omers Administration Corp | 20,808 | $4.91M | 0.04% | −2,800−11.9% | Reduced |
| Public Employees Retirement Association of Colorado | 20,616 | $4.87M | 0.02% | 00.0% | Unchanged |
| Romano Brothers and Company | 20,738 | $4.87M | 0.56% | +150+0.7% | Added |
| Nordea Investment Management AB | 20,816 | $4.84M | 0.00% | +2,394+13.0% | Added |
| Tredje AP-fonden | 20,371 | $4.81M | 0.04% | +4,748+30.4% | Added |
| Ethic Inc. | 20,167 | $4.76M | 0.08% | −103−0.5% | Reduced |
| Balyasny Asset Management LLC | 19,704 | $4.65M | 0.01% | +13,796+233.5% | Added |
| Change Path, LLC | 19,412 | $4.58M | 0.11% | +1,023+5.6% | Added |
| ASR Vermogensbeheer N.V. | 19,401 | $4.58M | 0.06% | −100−0.5% | Reduced |
| Xponance, Inc. | 19,195 | $4.53M | 0.04% | −1,728−8.3% | Reduced |
| Donoghue Forlines LLC | 18,956 | $4.47M | 1.38% | −14,058−42.6% | Reduced |
| Empowered Funds, LLC | 18,198 | $4.30M | 0.04% | +12,740+233.4% | Added |
| Great Lakes Retirement, Inc. | 17,736 | $4.19M | 0.46% | −120−0.7% | Reduced |
| Private Advisor Group, LLC | 17,636 | $4.16M | 0.02% | +807+4.8% | Added |
| Patton Fund Management, Inc. | 17,564 | $4.15M | 0.75% | +17,564 | New |
| Affinity Investment Advisors, LLC | 17,258 | $4.07M | 2.76% | +1,306+8.2% | Added |
| Flputnam Investment Management Co | 16,836 | $3.97M | 0.06% | +2,084+14.1% | Added |
| Winton Group Ltd | 16,696 | $3.94M | 0.15% | −36,956−68.9% | Reduced |
| Prelude Capital Management, LLC | 16,633 | $3.93M | 0.31% | −1,571−8.6% | Reduced |
| Peapack Gladstone Financial Corp | 16,615 | $3.92M | 0.05% | −490−2.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 16,540 | $3.90M | 0.03% | 00.0% | Unchanged |
| Vinva Investment Management Ltd | 16,925 | $3.88M | 0.08% | +13,505+394.9% | Added |
| Baird Financial Group, Inc. | 16,312 | $3.85M | 0.01% | −3,519−17.7% | Reduced |
| Generali Asset Management SPA SGR | 15,986 | $3.77M | 0.08% | −8,581−34.9% | Reduced |
| NEOS Investment Management LLC | 15,965 | $3.77M | 0.03% | +6,843+75.0% | Added |
| Naples Global Advisors, LLC | 15,888 | $3.76M | 0.29% | −487−3.0% | Reduced |
| Leisure Capital Management | 15,777 | $3.72M | 1.28% | −136−0.9% | Reduced |
| Virtu Financial LLC | 15,475 | $3.65M | 0.20% | +15,475 | New |
| J. Safra Sarasin Holding AG | 15,350 | $3.62M | 0.06% | −2,558−14.3% | Reduced |
| Picton Mahoney Asset Management | 15,285 | $3.61M | 0.05% | −8,384−35.4% | Reduced |
| Alerus Financial NA | 15,265 | $3.60M | 0.18% | −998−6.1% | Reduced |
| NewEdge Wealth, LLC | 12,823 | $3.54M | 0.05% | −337−2.6% | Reduced |
| Pinkerton Retirement Specialists, LLC | 14,588 | $3.44M | 0.37% | +14,588 | New |
| Keystone Wealth Services, LLC | 14,386 | $3.40M | 0.74% | −1,000−6.5% | Reduced |
| Brighton Jones LLC | 14,342 | $3.39M | 0.08% | +687+5.0% | Added |
| Hudson Bay Capital Management LP | 14,018 | $3.31M | 0.02% | +14,018 | New |
| National Asset Management, Inc. | 13,637 | $3.22M | 0.15% | +321+2.4% | Added |
| Night Squared LP | 13,611 | $3.21M | 1.16% | +13,611 | New |
| Steward Partners Investment Advisory, LLC | 13,569 | $3.20M | 0.02% | −418−3.0% | Reduced |
| Atria Investments LLC | 13,288 | $3.14M | 0.04% | +74+0.6% | Added |
| Sig Brokerage, LP | 13,287 | $3.14M | 0.79% | +13,287 | New |
| First National Trust Co | 13,105 | $3.09M | 0.11% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 13,062 | $3.08M | 0.01% | 00.0% | Unchanged |
| Ritholtz Wealth Management | 12,963 | $3.06M | 0.06% | +3,500+37.0% | Added |
| Bessemer Group Inc | 12,843 | $3.03M | 0.00% | +10,341+413.3% | Added |
| Equitable Trust Co | 12,844 | $3.03M | 0.14% | +12,844 | New |
| Sound View Wealth Advisors Group, LLC | 12,842 | $3.03M | 0.21% | −125−1.0% | Reduced |
| Apollon Wealth Management, LLC | 12,517 | $2.95M | 0.05% | −1,531−10.9% | Reduced |
| Group One Trading, L.P. | 12,493 | $2.95M | 0.09% | +10,201+445.1% | Added |
| Arkadios Wealth Advisors | 12,464 | $2.94M | 0.07% | +1,156+10.2% | Added |
| Counterpoint Mutual Funds LLC | 12,295 | $2.90M | 0.23% | +9,291+309.3% | Added |
| Robeco Institutional Asset Management B.V. | 12,080 | $2.85M | 0.00% | −1,233−9.3% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 11,909 | $2.83M | 0.02% | +2,627+28.3% | Added |
| Dark Forest Capital Management LP | 11,886 | $2.81M | 0.11% | +3,091+35.1% | Added |
| FNY Investment Advisers, LLC | 11,809 | $2.79M | 0.90% | +2,749+30.3% | Added |
| Avanza Fonder AB | 11,753 | $2.77M | 0.07% | −2,507−17.6% | Reduced |
| Rodgers Brothers Inc. | 11,711 | $2.76M | 0.34% | −250−2.1% | Reduced |
| Pensionmark Financial Group, LLC | 11,606 | $2.74M | 0.06% | +6,997+151.8% | Added |
| Aull & Monroe Investment Management Corp | 11,370 | $2.68M | 1.37% | −200−1.7% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 11,243 | $2.65M | 0.15% | 00.0% | Unchanged |
| Norinchukin Bank, The | 11,205 | $2.65M | 0.04% | +819+7.9% | Added |
| Louisiana State Employees Retirement System | 11,200 | $2.64M | 0.04% | 00.0% | Unchanged |
| Meitav Dash Investments Ltd | 11,124 | $2.63M | 0.04% | +11,124 | New |
| Summit Trail Advisors, LLC | 11,082 | $2.62M | 0.04% | +4,130+59.4% | Added |
| Catalyst Funds Management Pty Ltd | 11,100 | $2.62M | 0.40% | +11,100 | New |
| Mizuho Securities USA LLC | 15,490 | $2.59M | 0.05% | +825+5.6% | Added |
| NorthCrest Asset Manangement, LLC | 11,480 | $2.58M | 0.06% | +15+0.1% | Added |
| AE Wealth Management LLC | 10,906 | $2.57M | 0.02% | +479+4.6% | Added |
| RSM US Wealth Management LLC | 10,857 | $2.57M | 0.03% | +3,185+41.5% | Added |
| Estate Counselors, LLC | 10,834 | $2.56M | 0.22% | +10,834 | New |
| Cyndeo Wealth Partners, LLC | 10,601 | $2.50M | 0.14% | −43−0.4% | Reduced |
| Dorsey Wright & Associates | 10,601 | $2.50M | 0.56% | +10,601 | New |
| CWM, LLC | 10,595 | $2.50M | 0.01% | +1,235+13.2% | Added |
| Employees Retirement System of Texas | 10,443 | $2.46M | 0.02% | +10,443 | New |
| Gulf International Bank (UK) Ltd | 10,392 | $2.45M | 0.08% | −117−1.1% | Reduced |
| CAPROCK Group, Inc. | 14,568 | $2.44M | 0.06% | +14,568 | New |
| Jones Financial Companies LLLP | 11,186 | $2.43M | 0.00% | +383+3.5% | Added |
| EPG Wealth Management LLC | 10,290 | $2.43M | 0.67% | −100−1.0% | Reduced |
| Securian Asset Management, Inc | 10,260 | $2.42M | 0.06% | −711−6.5% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 10,228 | $2.41M | 0.06% | 00.0% | Unchanged |
| Metis Global Partners, LLC | 10,152 | $2.40M | 0.06% | −1,008−9.0% | Reduced |
| Brookstone Capital Management | 10,145 | $2.39M | 0.03% | −378−3.6% | Reduced |
| Fedenia Advisers LLC | 10,131 | $2.39M | 0.95% | +378+3.9% | Added |
| Farther Finance Advisors, LLC | 10,096 | $2.38M | 0.04% | +3,598+55.4% | Added |
| KP Management LLC | 10,000 | $2.36M | 0.83% | +10,000 | New |
| Investment Management Corp of Ontario | 9,981 | $2.36M | 0.04% | +4,813+93.1% | Added |
| Benjamin Edwards Inc | 9,893 | $2.34M | 0.03% | +1,806+22.3% | Added |
| Community Bank & Trust, Waco, Texas | 9,878 | $2.33M | 0.48% | +332+3.5% | Added |
| State of Wyoming | 9,875 | $2.33M | 0.27% | −366−3.6% | Reduced |