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, Q1 2026
Institutional positions in Seagate Technology Holdings plc as of Mar 31, 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
- 1,472
- +209 vs. Q4 2025
- Shares held
- 190.3M
- +26.0M (+15.8%) vs. Q4 2025
- Total value
- $74.2B
- +$29.0B (+64.1%) vs. Q4 2025
- New holders
- 311
- 497 more added
- Sold out
- 102
- 503 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oxbow Capital Management (HK) Ltd | 190,213 | $74.5M | 20.09% | −124,411−39.5% | Reduced |
| Teacher Retirement System of Texas | 190,131 | $74.5M | 0.31% | +54,394+40.1% | Added |
| New York State Teachers Retirement System | 185,709 | $72.8M | 0.15% | −1,335−0.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 185,400 | $72.6M | 0.11% | +18,199+10.9% | Added |
| Standard Life Aberdeen plc | 184,195 | $72.2M | 0.12% | +5,377+3.0% | Added |
| Aviva PLC | 183,148 | $71.8M | 0.12% | +5,378+3.0% | Added |
| Artemis Investment Management LLP | 182,764 | $71.6M | 0.76% | −310,720−63.0% | Reduced |
| Federated Hermes, Inc. | 180,883 | $70.9M | 0.12% | −43,726−19.5% | Reduced |
| Mackenzie Financial Corp | 179,702 | $70.4M | 0.08% | +16,394+10.0% | Added |
| Korea Investment CORP | 179,545 | $70.3M | 0.15% | −49,030−21.5% | Reduced |
| Hawk Ridge Capital Management LP | 173,300 | $67.9M | 2.47% | −27,604−13.7% | Reduced |
| Susquehanna International Group, LLP | 170,188 | $66.7M | 0.09% | +25,047+17.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 169,194 | $66.3M | 0.19% | +64,063+60.9% | Added |
| Neuberger Berman Group LLC | 166,523 | $65.2M | 0.05% | +63,442+61.5% | Added |
| Handelsbanken Fonder AB | 164,253 | $64.3M | 0.21% | +50,360+44.2% | Added |
| PFA Pension, Forsikringsaktieselskab | 156,607 | $61.4M | 0.18% | +71,340+83.7% | Added |
| Virginia Retirement Systems Et Al | 148,900 | $58.3M | 0.43% | −50,900−25.5% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 148,559 | $58.2M | 0.30% | −43,551−22.7% | Reduced |
| NEOS Investment Management LLC | 146,758 | $57.5M | 0.29% | +52,487+55.7% | Added |
| Wedge Capital Management L L P | 141,881 | $55.6M | 1.03% | −65,250−31.5% | Reduced |
| Caisse de Depot Et Placement du Quebec | 139,103 | $54.5M | 0.09% | +23,506+20.3% | Added |
| State of Wisconsin Investment Board | 137,549 | $53.9M | 0.12% | +8,895+6.9% | Added |
| Walleye Capital LLC | 137,428 | $53.8M | 0.33% | +109,551+393.0% | Added |
| Alliancebernstein L.P. | 195,372 | $53.8M | 0.02% | −1,398−0.7% | Reduced |
| LMR Partners LLP | 136,954 | $53.7M | 0.49% | +123,000+881.5% | Added |
| O'Shaughnessy Asset Management, LLC | 136,102 | $53.3M | 0.27% | +29,230+27.4% | Added |
| Pictet Asset Management Holding SA | 135,379 | $53.0M | 0.06% | +2,124+1.6% | Added |
| Stifel Financial Corp | 132,293 | $51.8M | 0.05% | +1,523+1.2% | Added |
| Voya Investment Management LLC | 127,007 | $49.8M | 0.05% | −3,510−2.7% | Reduced |
| APG Asset Management N.V. | 144,931 | $49.3M | 0.16% | +22,058+18.0% | Added |
| Quantinno Capital Management LP | 125,633 | $49.2M | 0.08% | −10,850−7.9% | Reduced |
| Rokos Capital Management LLP | 125,491 | $49.1M | 0.87% | −154,404−55.2% | Reduced |
| Alyeska Investment Group, L.P. | 125,085 | $49.0M | 0.14% | −221,591−63.9% | Reduced |
| Rivermont Capital Management LP | 122,125 | $47.8M | 10.08% | +5,629+4.8% | Added |
| Danske Bank A/S | 121,261 | $47.5M | 0.11% | +14,231+13.3% | Added |
| Manufacturers Life Insurance Company, The | 120,349 | $47.1M | 0.04% | −14,463−10.7% | Reduced |
| TD Asset Management Inc | 116,579 | $45.7M | 0.04% | +13,381+13.0% | Added |
| Citadel Advisors LLC | 110,745 | $43.4M | 0.03% | −80,417−42.1% | Reduced |
| Advisors Capital Management, LLC | 110,701 | $43.4M | 0.51% | −70,565−38.9% | Reduced |
| Cetera Investment Advisers | 110,173 | $43.2M | 0.05% | +570+0.5% | Added |
| Vanguard Investments Australia, Ltd. | 108,605 | $42.5M | 0.12% | +108,605 | New |
| Colony Capital, Inc. | 108,121 | $42.4M | 2.69% | −56,071−34.1% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 107,443 | $42.1M | 0.12% | −3,025−2.7% | Reduced |
| Deroy & Devereaux Private Investment Counsel Inc | 106,694 | $41.8M | 2.00% | −28,255−20.9% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 103,853 | $40.7M | 0.10% | +13,880+15.4% | Added |
| Keywise Capital Management (HK) Ltd | 102,784 | $40.3M | 6.79% | +102,784 | New |
| Keystone Financial Group | 62,749 | $40.2M | 2.75% | −68−0.1% | Reduced |
| Two Sigma Investments, LP | 102,525 | $40.2M | 0.03% | +82,307+407.1% | Added |
| Tudor Investment Corp Et Al | 102,041 | $40.0M | 0.22% | +102,041 | New |
| Davidson Kempner Capital Management LP | 101,700 | $39.8M | 0.71% | +26,700+35.6% | Added |
| Quadrature Capital Ltd | 97,594 | $38.2M | 0.45% | +97,594 | New |
| Credit Agricole S A | 96,786 | $37.9M | 0.12% | +68,858+246.6% | Added |
| Ariose Capital Management Ltd | 96,600 | $37.8M | 25.41% | +96,600 | New |
| Capitolis Liquid Global Markets LLC | 96,586 | $37.8M | 0.24% | +96,586 | New |
| Boothbay Fund Management, LLC | 93,275 | $36.5M | 0.86% | +17,807+23.6% | Added |
| Tredje AP-fonden | 93,273 | $36.5M | 0.20% | −18,066−16.2% | Reduced |
| Asset Management One Co.,Ltd. | 93,083 | $36.5M | 0.11% | +2,171+2.4% | Added |
| Royal London Asset Management Ltd | 92,629 | $36.3M | 0.08% | +367+0.4% | Added |
| CCM Investment Advisers LLC | 91,988 | $36.0M | 3.45% | −10,293−10.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 90,543 | $35.5M | 0.29% | +89,411+7,898.5% | Added |
| CIBC Asset Management Inc | 90,537 | $35.5M | 0.09% | +407+0.5% | Added |
| Hancock Whitney Corp | 52,052 | $34.9M | 0.61% | −26,190−33.5% | Reduced |
| Nomura Asset Management Co Ltd | 87,967 | $34.5M | 0.09% | −448−0.5% | Reduced |
| Wellington Management Group LLP | 87,598 | $34.3M | 0.01% | −42,018−32.4% | Reduced |
| AE Wealth Management LLC | 83,523 | $32.7M | 0.18% | +63,250+312.0% | Added |
| Artisan Partners Limited Partnership | 83,472 | $32.7M | 0.05% | +83,472 | New |
| Los Angeles Capital Management LLC | 83,119 | $32.6M | 0.13% | −527,491−86.4% | Reduced |
| KLP Kapitalforvaltning AS | 81,995 | $32.2M | 0.13% | +3,100+3.9% | Added |
| Migdal Insurance & Financial Holdings Ltd. | 81,000 | $31.8M | 0.28% | +81,000 | New |
| Robeco Institutional Asset Management B.V. | 80,144 | $31.4M | 0.04% | +20,002+33.3% | Added |
| Rafferty Asset Management, LLC | 79,896 | $31.3M | 0.13% | −31,081−28.0% | Reduced |
| Janney Montgomery Scott LLC | 78,978 | $30.9M | 0.08% | −10,933−12.2% | Reduced |
| Jones Financial Companies LLLP | 81,382 | $30.9M | 0.01% | +68,179+516.4% | Added |
| Blue Whale Capital LLP | 77,074 | $30.2M | 1.44% | −71,200−48.0% | Reduced |
| State of New Jersey Common Pension Fund D | 74,555 | $29.2M | 0.11% | +1,124+1.5% | Added |
| State of Tennessee, Treasury Department | 74,437 | $29.2M | 0.10% | +1,520+2.1% | Added |
| Worldquant Millennium Advisors LLC | 72,275 | $28.3M | 0.11% | +51,461+247.2% | Added |
| iA Global Asset Management Inc. | 71,918 | $28.2M | 0.40% | +20,677+40.4% | Added |
| Mariner, LLC | 71,503 | $28.0M | 0.03% | +2,909+4.2% | Added |
| Hosking Partners LLP | 71,346 | $28.0M | 1.00% | −26,806−27.3% | Reduced |
| HighTower Advisors, LLC | 70,025 | $27.4M | 0.03% | −3,703−5.0% | Reduced |
| Nomura Holdings Inc | 69,370 | $27.2M | 0.23% | +12,939+22.9% | Added |
| Commonwealth Equity Services, LLC | 68,763 | $26.9M | 0.04% | −4,142−5.7% | Reduced |
| Hallmark Capital Management Inc | 68,629 | $26.9M | 1.73% | −63,817−48.2% | Reduced |
| Toroso Investments, LLC | 68,271 | $26.7M | 0.08% | +22,253+48.4% | Added |
| Rheos Capital Works Inc. | 67,500 | $26.4M | 1.77% | −2,500−3.6% | Reduced |
| La Banque Postale Asset Management SA | 66,044 | $25.9M | 0.35% | +5,930+9.9% | Added |
| Aufman Associates Inc | 65,507 | $25.7M | 12.59% | −52−0.1% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 64,917 | $25.4M | 0.21% | +13,385+26.0% | Added |
| Harvest Portfolios Group Inc. | 63,510 | $24.9M | 0.41% | +63,510 | New |
| Achmea Investment Management B.V. | 63,240 | $24.8M | 0.65% | +40,429+177.2% | Added |
| Creative Planning | 62,735 | $24.6M | 0.02% | +3,911+6.6% | Added |
| Advisor Group Holdings, Inc. | 62,598 | $24.5M | 0.04% | +7,330+13.3% | Added |
| Fred Alger Management, LLC | 62,559 | $24.5M | 0.11% | +10,209+19.5% | Added |
| The PNC Financial Services Group, Inc. | 61,347 | $24.0M | 0.01% | +77+0.1% | Added |
| Eastern Bank | 61,304 | $24.0M | 0.41% | +11,063+22.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 60,557 | $23.7M | 0.05% | +4,328+7.7% | Added |
| Cerity Partners LLC | 60,381 | $23.7M | 0.03% | +5,469+10.0% | Added |
| Sora Investors LLC | 60,342 | $23.6M | 2.18% | +60,342 | New |
| Nisa Investment Advisors, LLC | 59,999 | $23.5M | 0.09% | +1,386+2.4% | Added |