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, 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
- 1,125
- +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
- 369 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 |
|---|---|---|---|---|---|
| Trifecta Capital Advisors, LLC | 12 | $2.83K | 0.00% | 00.0% | Unchanged |
| Avalon Trust Co | 12 | $2.83K | 0.00% | +12 | New |
| Bay Harbor Wealth Management, LLC | 11 | $2.60K | 0.00% | +3+37.5% | Added |
| Valued Wealth Advisors LLC | 10 | $2.37K | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 10 | $2.37K | 0.00% | +10 | New |
| Quaker Wealth Management, LLC | 7 | $1.65K | 0.00% | −800−99.1% | Reduced |
| Mascoma Wealth Management LLC | 7 | $1.65K | 0.00% | 00.0% | Unchanged |
| Texas Capital Bancshares Inc | 7 | $1.65K | 0.00% | +7 | New |
| Bare Financial Services, Inc | 6 | $1.42K | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 5 | $1.18K | 0.00% | +1+25.0% | Added |
| Aster Capital Management (DIFC) Ltd | 5 | $1.18K | 0.00% | +5 | New |
| Retirement Wealth Solutions LLC | 4 | $945 | 0.00% | +4 | New |
| WestEnd Advisors, LLC | 4 | $944 | 0.00% | +1+33.3% | Added |
| Principia Wealth Advisory, LLC | 4 | $944 | 0.00% | +1+33.3% | Added |
| Wealth Watch Advisors, INC | 4 | $944 | 0.00% | +4 | New |
| American Capital Advisory, LLC | 3 | $709 | 0.00% | 00.0% | Unchanged |
| Breakwater Investment Management | 3 | $709 | 0.00% | +3 | New |
| Seneschal Advisors, LLC | 3 | $709 | 0.00% | +3 | New |
| Cape Investment Advisory, Inc. | 3 | $708 | 0.00% | +1+50.0% | Added |
| PEAK6 LLC | 3 | $638 | 0.00% | +3 | New |
| Prestige Wealth Management Group LLC | 2 | $474 | 0.00% | +2 | New |
| Beaird Harris Wealth Management, LLC | 2 | $473 | 0.00% | +2 | New |
| Davis Capital Management | 2 | $472 | 0.00% | +2 | New |
| Silicon Valley Capital Partners | 2 | $421 | 0.00% | 00.0% | Unchanged |
| High Note Wealth, LLC | 1 | $236 | 0.00% | +1 | New |
| Sachem Head Capital Management LP | 0 | $0 | 0.00% | −1,522,500−100.0% | Sold out |
| Mizuho Markets Americas LLC | 0 | $0 | 0.00% | −315,178−100.0% | Sold out |
| Delta Global Management LP | 0 | $0 | 0.00% | −308,961−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −229,137−100.0% | Sold out |
| Wolf Hill Capital Management, LP | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Junto Capital Management LP | 0 | $0 | 0.00% | −191,387−100.0% | Sold out |
| Rheos Capital Works Inc. | 0 | $0 | 0.00% | −164,500−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −131,131−100.0% | Sold out |
| Maytus Capital Management, LLC | 0 | $0 | 0.00% | −67,141−100.0% | Sold out |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −65,786−100.0% | Sold out |
| Arvin Capital Management LP | 0 | $0 | 0.00% | −60,300−100.0% | Sold out |
| Greenland Capital Management LP | 0 | $0 | 0.00% | −59,996−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −59,977−100.0% | Sold out |
| Mirae Asset Securities (USA) Inc. | 0 | $0 | 0.00% | −50,130−100.0% | Sold out |
| iA Global Asset Management Inc. | 0 | $0 | 0.00% | −49,320−100.0% | Sold out |
| Oribel Capital Management, LP | 0 | $0 | 0.00% | −47,400−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −40,578−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −40,433−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −37,740−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −37,369−100.0% | Sold out |
| Symmetry Investments LP | 0 | $0 | 0.00% | −37,200−100.0% | Sold out |
| Soros Capital Management LLC | 0 | $0 | 0.00% | −36,700−100.0% | Sold out |
| Sona Asset Management (US) LLC | 0 | $0 | 0.00% | −34,400−100.0% | Sold out |
| Channing Capital Management, LLC | 0 | $0 | 0.00% | −31,469−100.0% | Sold out |
| Nissay Asset Management Corp | 0 | $0 | 0.00% | −26,639−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −23,597−100.0% | Sold out |
| Fisher Funds Management LTD | 0 | $0 | 0.00% | −18,225−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −17,281−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −16,936−100.0% | Sold out |
| Achmea Investment Management B.V. | 0 | $0 | 0.00% | −16,329−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −14,396−100.0% | Sold out |
| Empirical Asset Management, LLC | 0 | $0 | 0.00% | −10,298−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −7,867−100.0% | Sold out |
| Greenwood Capital Associates LLC | 0 | $0 | 0.00% | −6,397−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −6,177−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −5,583−100.0% | Sold out |
| Wealthcare Advisory Partners LLC | 0 | $0 | 0.00% | −5,545−100.0% | Sold out |
| Ethos Financial Group, LLC | 0 | $0 | 0.00% | −5,470−100.0% | Sold out |
| V-Square Quantitative Management LLC | 0 | $0 | 0.00% | −5,417−100.0% | Sold out |
| Tounjian Advisory Partners, LLC | 0 | $0 | 0.00% | −9,028−100.0% | Sold out |
| Carmel Capital Partners, LLC | 0 | $0 | 0.00% | −3,992−100.0% | Sold out |
| National Wealth Management Group, LLC | 0 | $0 | 0.00% | −3,932−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −3,830−100.0% | Sold out |
| Almanack Investment Partners, LLC. | 0 | $0 | 0.00% | −3,750−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −3,668−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −3,596−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −3,453−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −3,363−100.0% | Sold out |
| Asahi Life Asset Management Co., Ltd. | 0 | $0 | 0.00% | −3,090−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −2,976−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −2,758−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −2,145−100.0% | Sold out |
| Quarry Hill Advisors, LLC | 0 | $0 | 0.00% | −2,024−100.0% | Sold out |
| Bravias Capital Group, LLC | 0 | $0 | 0.00% | −1,850−100.0% | Sold out |
| Prossimo Advisors, LLC | 0 | $0 | 0.00% | −1,812−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −1,633−100.0% | Sold out |
| RIA Advisory Group LLC | 0 | $0 | 0.00% | −1,617−100.0% | Sold out |
| ICONIQ Capital, LLC | 0 | $0 | 0.00% | −1,542−100.0% | Sold out |
| Whittier Trust Co of Nevada Inc | 0 | $0 | 0.00% | −1,165−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −1,153−100.0% | Sold out |
| Viking Fund Management LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Putney Financial Group LLC | 0 | $0 | 0.00% | −750−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −539−100.0% | Sold out |
| Olistico Wealth, LLC | 0 | $0 | 0.00% | −470−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −456−100.0% | Sold out |
| Evelyn Partners Investment Management LLP | 0 | $0 | 0.00% | −385−100.0% | Sold out |
| Garde Capital, Inc. | 0 | $0 | 0.00% | −116−100.0% | Sold out |
| Total Investment Management Inc | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Chung Wu Investment Group, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −89−100.0% | Sold out |
| Ridgewood Investments LLC | 0 | $0 | 0.00% | −85−100.0% | Sold out |
| Sierra Ocean, LLC | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Whipplewood Advisors, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Crewe Advisors LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |