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 |
|---|---|---|---|---|---|
| Partners Capital Investment Group, LLP | 4,508 | $1.06M | 0.04% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 4,533 | $1.07M | 0.01% | +3,447+317.4% | Added |
| IFG Advisory, LLC | 4,623 | $1.09M | 0.05% | −141−3.0% | Reduced |
| Level Four Advisory Services, LLC | 4,629 | $1.09M | 0.04% | +1,560+50.8% | Added |
| HB Wealth Management, LLC | 4,652 | $1.10M | 0.01% | +534+13.0% | Added |
| Connable Office Inc | 4,662 | $1.10M | 0.10% | +4,662 | New |
| Sherman Porfolios, LLC | 4,756 | $1.12M | 0.40% | +4,756 | New |
| Prudential PLC | 4,789 | $1.13M | 0.01% | −440−8.4% | Reduced |
| Catalytic Wealth RIA, LLC | 4,879 | $1.15M | 0.04% | +2,895+145.9% | Added |
| Westpac Banking Corp | 4,886 | $1.15M | 0.07% | +4,202+614.3% | Added |
| Walleye Capital LLC | 4,900 | $1.16M | 0.01% | −194−3.8% | Reduced |
| Brown Advisory Inc | 4,982 | $1.18M | 0.00% | −161−3.1% | Reduced |
| Berkshire Bank | 4,998 | $1.18M | 0.25% | −109−2.1% | Reduced |
| TrueWealth Advisors, LLC | 5,002 | $1.18M | 0.32% | +134+2.8% | Added |
| Bank of Hawaii | 5,025 | $1.19M | 0.06% | +279+5.9% | Added |
| Park Capital Management, LLC | 5,027 | $1.19M | 0.95% | +1,116+28.5% | Added |
| SPC Financial, Inc. | 5,082 | $1.20M | 0.09% | −268−5.0% | Reduced |
| Adams Wealth Management | 5,134 | $1.21M | 0.26% | −82−1.6% | Reduced |
| CacheTech Inc. | 5,134 | $1.21M | 0.24% | −82−1.6% | Reduced |
| Evergreen Capital Management LLC | 5,106 | $1.21M | 0.03% | +358+7.5% | Added |
| Berkshire Asset Management LLC | 5,132 | $1.21M | 0.05% | +3+0.1% | Added |
| Glenview Trust Co | 5,133 | $1.21M | 0.02% | −88−1.7% | Reduced |
| Integrated Wealth Concepts LLC | 5,160 | $1.22M | 0.01% | −4,241−45.1% | Reduced |
| QRG Capital Management, Inc. | 5,214 | $1.23M | 0.01% | −4,839−48.1% | Reduced |
| PFG Investments, LLC | 5,220 | $1.23M | 0.06% | +64+1.2% | Added |
| Mission Wealth Management, LP | 5,254 | $1.24M | 0.03% | −35−0.7% | Reduced |
| Avidian Wealth Solutions, LLC | 5,269 | $1.24M | 0.05% | +169+3.3% | Added |
| Cresset Asset Management, LLC | 5,275 | $1.25M | 0.01% | −858−14.0% | Reduced |
| Vision Financial Markets LLC | 5,300 | $1.25M | 1.07% | +4,100+341.7% | Added |
| Burney Co | 5,303 | $1.25M | 0.04% | +1,737+48.7% | Added |
| Mengis Capital Management, Inc. | 5,375 | $1.27M | 0.25% | −385−6.7% | Reduced |
| GWM Advisors LLC | 5,391 | $1.27M | 0.01% | +555+11.5% | Added |
| Pallas Capital Advisors LLC | 5,413 | $1.28M | 0.05% | +184+3.5% | Added |
| Inceptionr LLC | 5,432 | $1.28M | 0.31% | −4,138−43.2% | Reduced |
| GKV Capital Management Co., Inc. | 5,450 | $1.29M | 0.51% | +550+11.2% | Added |
| Merit Financial Group, LLC | 5,470 | $1.29M | 0.01% | +816+17.5% | Added |
| Baader Bank INC | 5,491 | $1.30M | 0.11% | +5,491 | New |
| Lee Johnson Capital Management, LLC | 5,546 | $1.31M | 0.43% | +50+0.9% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 5,553 | $1.31M | 0.06% | +30+0.5% | Added |
| Paragon Private Wealth Management, LLC | 5,575 | $1.32M | 0.43% | +1,047+23.1% | Added |
| GAMMA Investing LLC | 5,697 | $1.34M | 0.07% | +733+14.8% | Added |
| MUFG Securities Americas Inc. | 5,736 | $1.35M | 0.09% | +1,033+22.0% | Added |
| Mindset Wealth Management, LLC | 5,766 | $1.36M | 0.37% | −455−7.3% | Reduced |
| Wetherby Asset Management Inc | 5,930 | $1.40M | 0.06% | +187+3.3% | Added |
| Independent Financial Group, LLC | 5,990 | $1.41M | 0.03% | +1,951+48.3% | Added |
| United Capital Financial Advisers, LLC | 5,996 | $1.42M | 0.01% | +172+3.0% | Added |
| Integrated Advisors Network LLC | 6,016 | $1.42M | 0.06% | +906+17.7% | Added |
| Pinnacle West Asset Management, Inc. | 6,145 | $1.45M | 0.94% | +75+1.2% | Added |
| Concurrent Investment Advisors, LLC | 6,169 | $1.46M | 0.03% | +2,405+63.9% | Added |
| Green Alpha Advisors, LLC | 6,210 | $1.47M | 1.42% | −327−5.0% | Reduced |
| Personal Cfo Solutions, LLC | 6,220 | $1.47M | 0.26% | +3,228+107.9% | Added |
| Oak Harbor Wealth Partners, LLC | 6,245 | $1.47M | 0.36% | −927−12.9% | Reduced |
| Brinker Capital Investments, LLC | 6,315 | $1.49M | 0.01% | +2,969+88.7% | Added |
| Legacy Capital Group California, Inc. | 6,325 | $1.49M | 0.38% | −2,448−27.9% | Reduced |
| CoreCap Advisors, LLC | 6,360 | $1.50M | 0.05% | +5,239+467.4% | Added |
| Richard W. Paul & Associates, LLC | 6,372 | $1.50M | 0.51% | −2,087−24.7% | Reduced |
| Intech Investment Management LLC | 6,466 | $1.53M | 0.01% | −2,505−27.9% | Reduced |
| Steadtrust LLC | 6,480 | $1.53M | 1.04% | 00.0% | Unchanged |
| Diversify Advisory Services, LLC | 5,837 | $1.55M | 0.05% | +237+4.2% | Added |
| CWA Asset Management Group, LLC | 6,587 | $1.55M | 0.06% | −1,535−18.9% | Reduced |
| Kingswood Wealth Advisors, LLC | 6,614 | $1.56M | 0.09% | −2,848−30.1% | Reduced |
| Raab & Moskowitz Asset Management LLC | 6,651 | $1.57M | 0.35% | 00.0% | Unchanged |
| Commerce Bank | 6,658 | $1.57M | 0.01% | +2,637+65.6% | Added |
| Pinnbrook Capital Management LP | 6,795 | $1.60M | 0.30% | −39,847−85.4% | Reduced |
| Dumont & Blake Investment Advisors LLC | 6,809 | $1.61M | 0.39% | −109−1.6% | Reduced |
| Perpetual Ltd | 6,887 | $1.63M | 0.02% | +6,887 | New |
| Greenleaf Trust | 6,888 | $1.63M | 0.01% | −82−1.2% | Reduced |
| HighVista Strategies LLC | 6,898 | $1.63M | 0.40% | −15,202−68.8% | Reduced |
| Affinity Capital Advisors, LLC | 6,420 | $1.64M | 0.25% | −200−3.0% | Reduced |
| Sequoia Financial Advisors, LLC | 6,939 | $1.64M | 0.01% | +1,570+29.2% | Added |
| SRS Capital Advisors, Inc. | 6,987 | $1.65M | 0.02% | +6,243+839.1% | Added |
| American State Bank (Iowa) | 7,000 | $1.65M | 0.84% | 00.0% | Unchanged |
| Radnor Capital Management, LLC | 7,000 | $1.65M | 0.25% | 00.0% | Unchanged |
| LGT Group Foundation | 6,497 | $1.67M | 0.02% | −4,944−43.2% | Reduced |
| Kinneret Advisory, LLC | 7,061 | $1.67M | 0.14% | −32−0.5% | Reduced |
| Western Financial Corp | 7,168 | $1.69M | 0.74% | +7,168 | New |
| APG Asset Management US Inc. | 6,626 | $1.70M | 0.01% | 00.0% | Unchanged |
| 1620 Investment Advisors, Inc. | 7,218 | $1.70M | 1.16% | −2,671−27.0% | Reduced |
| Aviso Wealth Management | 7,258 | $1.71M | 0.75% | +45+0.6% | Added |
| Summit Financial, LLC | 7,269 | $1.72M | 0.03% | +42+0.6% | Added |
| Mather Group, LLC. | 7,271 | $1.72M | 0.02% | +19+0.3% | Added |
| Beacon Pointe Advisors, LLC | 7,278 | $1.72M | 0.01% | +238+3.4% | Added |
| Ascent Group, LLC | 7,523 | $1.78M | 0.06% | −1,427−15.9% | Reduced |
| Williamson Legacy Group, LLC | 7,597 | $1.79M | 1.39% | +7,597 | New |
| Assenagon Asset Management S.A. | 7,632 | $1.80M | 0.00% | +81+1.1% | Added |
| Pettee Investors, Inc. | 7,725 | $1.82M | 1.00% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 7,760 | $1.83M | 0.08% | +6,569+551.6% | Added |
| Sonora Investment Management Group, LLC | 7,786 | $1.84M | 0.13% | +240+3.2% | Added |
| Harbour Investments, Inc. | 7,836 | $1.85M | 0.04% | +6,703+591.6% | Added |
| Meeder Advisory Services, Inc. | 7,847 | $1.85M | 0.09% | +1,083+16.0% | Added |
| Allstate Corp | 7,872 | $1.86M | 0.04% | +7,872 | New |
| Tokio Marine Asset Management Co Ltd | 7,898 | $1.86M | 0.07% | +7,898 | New |
| CBOE Vest Financial, LLC | 7,926 | $1.87M | 0.02% | +517+7.0% | Added |
| Beacon Financial Advisory LLC | 8,013 | $1.89M | 0.44% | +8+0.1% | Added |
| Vident Advisory, LLC | 8,135 | $1.92M | 0.02% | −31−0.4% | Reduced |
| Tocqueville Asset Management L.P. | 8,192 | $1.93M | 0.03% | +6,688+444.7% | Added |
| Park Avenue Securities LLC | 8,242 | $1.95M | 0.02% | +724+9.6% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 8,419 | $1.99M | 0.00% | −46−0.5% | Reduced |
| Pitcairn Co | 8,517 | $2.01M | 0.16% | +8,517 | New |
| Smith Shellnut Wilson LLC | 8,520 | $2.01M | 0.77% | 00.0% | Unchanged |