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 |
|---|---|---|---|---|---|
| KWMG, LLC | 43,371 | $41.9M | 3.02% | −4,893−10.1% | Reduced |
| UNICOM Systems, Inc. | 43,500 | $42.0M | 2.74% | +6,700+18.2% | Added |
| Verition Fund Management LLC | 43,540 | $42.0M | 0.30% | +42,218+3,193.5% | Added |
| Keybank National Association | 44,012 | $42.5M | 0.14% | −1,312−2.9% | Reduced |
| Ieq Capital, LLC | 44,123 | $42.6M | 0.20% | +29,595+203.7% | Added |
| Macquarie Group Ltd | 44,679 | $43.1M | 0.19% | +3,822+9.4% | Added |
| Advisory Services Network, LLC | 44,900 | $43.3M | 0.49% | −4,363−8.9% | Reduced |
| Captrust Financial Advisors | 44,913 | $43.3M | 0.07% | +6,328+16.4% | Added |
| USS Investment Management Ltd | 45,018 | $43.4M | 0.17% | +2,090+4.9% | Added |
| MUFG Securities EMEA plc | 45,126 | $43.5M | 0.46% | +36,194+405.2% | Added |
| Prudential Financial Inc | 45,510 | $43.9M | 0.05% | +16,908+59.1% | Added |
| GW&K Investment Management, LLC | 45,883 | $44.3M | 0.35% | +45,429+10,006.4% | Added |
| Fideuram Asset Management (Ireland) dac | 62,014 | $45.3M | 0.88% | +60,832+5,146.5% | Added |
| Retirement Systems of Alabama | 47,104 | $45.5M | 0.14% | +795+1.7% | Added |
| Navellier & Associates Inc | 47,267 | $45.6M | 3.61% | +2,887+6.5% | Added |
| MetLife Investment Management | 47,641 | $46.0M | 0.21% | +260+0.5% | Added |
| Pathstone Holdings, LLC | 47,805 | $46.2M | 0.13% | +2,165+4.7% | Added |
| DnB Asset Management AS | 48,388 | $46.7M | 0.13% | +1,650+3.5% | Added |
| Twin Lakes Capital Management, LLC | 48,618 | $46.9M | 17.94% | −610−1.2% | Reduced |
| Maytus Capital Management, LLC | 49,000 | $47.3M | 7.44% | +49,000 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 49,526 | $47.8M | 0.23% | −1,273−2.5% | Reduced |
| Pinpoint Asset Management (Singapore) Pte. Ltd. | 49,958 | $48.2M | 9.78% | +2,152+4.5% | Added |
| Resona Asset Management Co.,Ltd. | 50,123 | $48.4M | 0.23% | −5,702−10.2% | Reduced |
| MML Investors Services, LLC | 50,165 | $48.4M | 0.10% | +17,784+54.9% | Added |
| IFM Investors Pty Ltd | 50,339 | $48.6M | 0.32% | +4,246+9.2% | Added |
| Achmea Investment Management B.V. | 50,584 | $48.8M | 1.22% | −12,656−20.0% | Reduced |
| Aufman Associates Inc | 50,612 | $48.8M | 19.47% | −14,895−22.7% | Reduced |
| CIBC World Markets Inc. | 50,725 | $48.9M | 0.08% | −6,166−10.8% | Reduced |
| Westfield Capital Management Co LP | 50,734 | $49.0M | 0.16% | +50,734 | New |
| 1832 Asset Management L.P. | 51,226 | $49.4M | 0.06% | +40,389+372.7% | Added |
| Mercer Global Advisors Inc | 51,232 | $49.4M | 0.06% | +12,346+31.7% | Added |
| Trexquant Investment LP | 51,629 | $49.8M | 0.31% | +6,136+13.5% | Added |
| Northwestern Mutual Wealth Management Co | 53,056 | $51.2M | 0.03% | +15,582+41.6% | Added |
| Wealthfront Advisers LLC | 53,393 | $51.5M | 0.10% | +1,043+2.0% | Added |
| Hosking Partners LLP | 53,855 | $52.0M | 1.73% | −17,491−24.5% | Reduced |
| Woodline Partners LP | 54,714 | $52.8M | 0.16% | −152,793−73.6% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 54,926 | $53.0M | 0.37% | −9,991−15.4% | Reduced |
| Colony Capital, Inc. | 55,027 | $53.1M | 3.19% | −53,094−49.1% | Reduced |
| Eurizon Capital SGR S.p.A. | 56,181 | $54.2M | 0.15% | +8,107+16.9% | Added |
| FIL Ltd | 56,772 | $54.8M | 0.04% | +8,220+16.9% | Added |
| State of Michigan Retirement System | 57,405 | $55.4M | 0.25% | +400+0.7% | Added |
| Hallmark Capital Management Inc | 57,623 | $55.6M | 3.21% | −11,006−16.0% | Reduced |
| Capital Fund Management S.A. | 58,699 | $56.6M | 0.41% | +58,699 | New |
| Davidson Kempner Capital Management LP | 59,600 | $57.5M | 0.92% | −42,100−41.4% | Reduced |
| Advisors Capital Management, LLC | 59,619 | $57.5M | 0.61% | −51,082−46.1% | Reduced |
| Central Asset Investments & Management Holdings (HK) Ltd | 60,085 | $58.0M | 26.68% | +19,999+49.9% | Added |
| Jefferies Financial Group Inc. | 60,306 | $58.2M | 0.54% | +48,273+401.2% | Added |
| Caisse de Depot Et Placement du Quebec | 60,394 | $58.3M | 0.08% | −78,709−56.6% | Reduced |
| Arizona State Retirement System | 60,609 | $58.5M | 0.29% | +1,409+2.4% | Added |
| Man Group plc | 60,847 | $58.7M | 0.11% | +42,986+240.7% | Added |
| Nisa Investment Advisors, LLC | 60,819 | $58.7M | 0.18% | +820+1.4% | Added |
| iA Global Asset Management Inc. | 61,277 | $59.1M | 0.70% | −10,641−14.8% | Reduced |
| Pacer Advisors, Inc. | 61,917 | $59.8M | 0.16% | +14,627+30.9% | Added |
| Prudential PLC | 62,216 | $60.0M | 0.43% | +9,558+18.2% | Added |
| TD Waterhouse Canada Inc. | 65,693 | $60.1M | 0.16% | +19,034+40.8% | Added |
| The PNC Financial Services Group, Inc. | 62,858 | $60.7M | 0.03% | +1,511+2.5% | Added |
| Mediolanum International Funds Ltd | 62,973 | $61.0M | 0.52% | +42,619+209.4% | Added |
| Keystone Financial Group | 63,366 | $61.1M | 3.63% | +617+1.0% | Added |
| Mn Services Vermogensbeheer B.V. | 63,700 | $61.5M | 0.46% | +63,700 | New |
| Life Cycle Investment Partners Ltd | 63,773 | $61.5M | 0.29% | +27,253+74.6% | Added |
| Czech National Bank | 63,824 | $61.6M | 0.34% | +4,433+7.5% | Added |
| Squarepoint Ops LLC | 63,882 | $61.6M | 0.12% | −204,984−76.2% | Reduced |
| Nomura Holdings Inc | 64,295 | $62.0M | 0.26% | −5,075−7.3% | Reduced |
| Chicago Capital, LLC | 64,308 | $62.1M | 1.49% | +19,123+42.3% | Added |
| Scopus Asset Management, L.P. | 64,685 | $62.4M | 1.47% | +64,685 | New |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 65,428 | $63.1M | 0.30% | +11,320+20.9% | Added |
| Daiwa Securities Group Inc. | 66,237 | $63.9M | 0.14% | +8,106+13.9% | Added |
| CCM Investment Advisers LLC | 67,221 | $64.9M | 5.02% | −24,767−26.9% | Reduced |
| La Banque Postale Asset Management SA | 67,319 | $65.0M | 0.65% | +1,275+1.9% | Added |
| Jump Financial, LLC | 67,577 | $65.2M | 0.58% | +25,871+62.0% | Added |
| Commonwealth Equity Services, LLC | 67,741 | $65.4M | 0.08% | −1,022−1.5% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 68,396 | $66.0M | 0.30% | −80,163−54.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 68,769 | $66.4M | 0.13% | +8,212+13.6% | Added |
| Public Sector Pension Investment Board | 68,998 | $66.6M | 0.17% | +29,967+76.8% | Added |
| Nordea Investment Management AB | 68,907 | $66.8M | 0.05% | +37,950+122.6% | Added |
| HighTower Advisors, LLC | 69,455 | $67.0M | 0.06% | −570−0.8% | Reduced |
| SEB Asset Management AB | 69,799 | $67.4M | 0.25% | +11,717+20.2% | Added |
| Vinva Investment Management Ltd | 69,655 | $67.5M | 0.45% | +30,766+79.1% | Added |
| Eastern Bank | 69,932 | $67.5M | 1.03% | +8,628+14.1% | Added |
| Public Employees Retirement Association of Colorado | 70,573 | $68.1M | 0.24% | +14,757+26.4% | Added |
| State of New Jersey Common Pension Fund D | 70,708 | $68.2M | 0.23% | −3,847−5.2% | Reduced |
| Cerity Partners LLC | 70,952 | $68.5M | 0.08% | +10,571+17.5% | Added |
| Lazard Asset Management LLC | 71,831 | $69.3M | 0.10% | +42,527+145.1% | Added |
| Janney Montgomery Scott LLC | 71,987 | $69.5M | 0.13% | −6,991−8.9% | Reduced |
| E20 Capital Ltd | 72,280 | $69.8M | 5.62% | +72,280 | New |
| Ci Investments Inc. | 72,667 | $70.1M | 0.23% | +52,910+267.8% | Added |
| Clear Street Group Inc. | 73,123 | $70.6M | 0.22% | +73,123 | New |
| Advisor Group Holdings, Inc. | 73,206 | $70.7M | 0.08% | +10,608+16.9% | Added |
| Creative Planning | 74,365 | $71.8M | 0.04% | +11,630+18.5% | Added |
| Worldquant Millennium Advisors LLC | 74,875 | $72.3M | 0.25% | +2,600+3.6% | Added |
| Nishkama Capital, LLC | 75,373 | $72.7M | 8.21% | +25,107+49.9% | Added |
| State of Tennessee, Treasury Department | 76,180 | $73.5M | 0.22% | +1,743+2.3% | Added |
| Wedge Capital Management L L P | 77,655 | $74.9M | 1.24% | −64,226−45.3% | Reduced |
| Tredje AP-fonden | 79,678 | $76.9M | 0.35% | −13,595−14.6% | Reduced |
| Atika Capital Management LLC | 79,865 | $77.1M | 7.65% | +26,365+49.3% | Added |
| Robeco Institutional Asset Management B.V. | 80,692 | $77.9M | 0.10% | +548+0.7% | Added |
| Capitolis Liquid Global Markets LLC | 81,684 | $78.8M | 0.34% | −14,902−15.4% | Reduced |
| Panagora Asset Management Inc | 83,585 | $80.7M | 0.25% | +38,808+86.7% | Added |
| Jones Financial Companies LLLP | 94,452 | $85.0M | 0.03% | +13,070+16.1% | Added |
| Rafferty Asset Management, LLC | 90,937 | $87.8M | 0.20% | +11,041+13.8% | Added |