Seagate Technology HoldingsSTX
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 1,464 institutions reported holding Seagate Technology Holdings (STX) in their 13F filings, up 191 from Q4 2025. 285 opened new positions and 100 sold out. The largest holders were BlackRock, Inc. ($5.6B), Vanguard Capital Management LLC ($5.5B) and Sanders Capital, LLC ($5.1B). 11 famous investors held it, including Stanley Druckenmiller (0.7% of Duquesne Family Office's portfolio), Ray Dalio (0.6% of Bridgewater Associates's portfolio) and David E. Shaw (0.4% of D. E. Shaw & Co.'s portfolio).
- Company
- Seagate Technology Holdings
- Sector
- Technology
- CUSIP
- G7997R103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 285 | $1.3B |
| Exits | 100 | $429.7M |
All 13F filers, Q4 2025 → Q1 2026: 20,346,505 shares bought and 22,340,365 shares sold, net −1,993,860 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,464 holders
| BlackRock, Inc. | 0.10% | Reduce -11.4% | 14,274,083 | $5.6B |
| Vanguard Capital Management LLC | 0.14% | — | 14,155,673 | $5.5B |
| Sanders Capital, LLC | 6.02% | Reduce -24.9% | 12,897,201 | $5.1B |
| Vanguard Portfolio Management LLC | 0.23% | — | 11,094,908 | $4.3B |
| State Street Corp. | 0.13% | Reduce -0.5% | 9,321,632 | $3.7B |
| FMR LLC | 0.17% | Add +117.5% | 8,176,918 | $3.2B |
| Invesco Ltd. | 0.27% | Reduce -2.5% | 7,176,698 | $2.8B |
| JPMorgan Chase & Co. | 0.16% | Reduce -4.8% | 6,659,239 | $2.4B |
| Capital Research Global Investors | 0.35% | Add +27.1% | 5,736,070 | $2.2B |
| Geode Capital Management, LLC | 0.12% | Add +3.4% | 5,060,828 | $2.0B |
| Morgan Stanley | 0.11% | Reduce -10.5% | 4,759,312 | $1.9B |
| WCM Investment Management, LLC | 3.60% | Reduce -15.7% | 4,346,852 | $1.6B |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1.30% | Reduce -33.2% | 3,620,072 | $1.4B |
| Goldman Sachs Group Inc. | 0.18% | Add +29.7% | 3,573,790 | $1.4B |
| Franklin Resources Inc. | 0.34% | Reduce -12.6% | 3,518,195 | $1.4B |
| Bank of America Corp. | 0.10% | Reduce -21.0% | 3,380,440 | $1.3B |
| Massachusetts Financial Services Co. | 0.34% | Add +26.3% | 2,536,122 | $1.0B |
| Northern Trust Corp. | 0.10% | Reduce -0.2% | 1,896,993 | $743.2M |
| Nomura Asset Management International Inc. | 1.21% | Add +36716.6% | 1,804,383 | $706.9M |
| Deutsche Bank AG | 0.23% | Add +9.9% | 1,759,174 | $689.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.13% | Add +3.6% | 1,534,212 | $601.0M |
| Legal & General Group Plc | 0.14% | Reduce -0.6% | 1,514,617 | $593.4M |
| Arrowstreet Capital, Limited Partnership | 0.30% | Reduce -55.1% | 1,433,495 | $561.6M |
| Charles Schwab Investment Management Inc. | 0.08% | Reduce -0.9% | 1,364,839 | $534.7M |
| D. E. Shaw & Co. | 0.43% | Add +61.9% | 1,289,573 | $505.2M |
| T. Rowe Price Associates Inc. | 0.06% | Add +8.2% | 1,258,397 | $493.0M |
| Vanguard Fiduciary Trust Co. | 0.12% | — | 1,201,062 | $470.5M |
| Holocene Advisors, LP | 1.03% | Add +43.3% | 1,087,617 | $426.1M |
| Bank of New York Mellon Corp | 0.08% | Reduce -14.8% | 1,058,303 | $414.6M |
| Royal Bank of Canada | 0.08% | Reduce -2.0% | 1,013,493 | $397.0M |
| Bank of Montreal | 0.16% | Add +27.0% | 1,008,491 | $395.1M |
| AQR Capital Management | 0.18% | Add +17.4% | 1,001,039 | $384.0M |
| Janus Henderson Group PLC | 0.18% | Add +3872.1% | 967,528 | $379.0M |
| Amundi | 0.10% | Add +32.2% | 965,565 | $378.3M |
| Russell Investments Group, Ltd. | 0.41% | Add +1.0% | 966,461 | $376.6M |
| Polar Capital Holdings Plc | 1.60% | Reduce -24.0% | 933,859 | $365.8M |
| Value Aligned Research Advisors, LLC | 4.24% | Add +624.3% | 914,657 | $358.3M |
| Canada Pension Plan Investment Board | 0.22% | Reduce -2.8% | 883,574 | $346.1M |
| Dimensional Fund Advisors LP | 0.07% | Reduce -7.0% | 836,018 | $327.2M |
| National Pension Service | 0.25% | Reduce -17.0% | 827,761 | $324.3M |
| Nuveen, LLC | 0.08% | Reduce -1.2% | 771,379 | $302.2M |
| Atalan Capital Partners, LP | 25.95% | Reduce -3.7% | 718,800 | $281.6M |
| Swedbank AB | 0.29% | Add +67.6% | 709,160 | $277.8M |
| Barclays PLC | 0.09% | Reduce -14.1% | 669,828 | $262.4M |
| Swiss National Bank | 0.14% | Add +9.6% | 639,400 | $250.5M |
| UBS Group AG | 0.04% | Add +13.5% | 632,683 | $247.9M |
| Acadian Asset Management LLC | 0.34% | Reduce -9.8% | 604,893 | $236.9M |
| BNP Paribas Financial Markets | 0.15% | Reduce -28.1% | 590,505 | $231.3M |
| Castle Hook Partners LP | 4.45% | Reduce -30.0% | 561,647 | $220.0M |
| Point72 Asset Management | 0.39% | Add +37.4% | 546,378 | $214.0M |
| First Trust Advisors LP | 0.15% | Reduce -4.0% | 536,658 | $210.2M |
| Soroban Capital Partners LP | 1.50% | No change | 534,364 | $209.3M |
| Maple Rock Capital Partners Inc. | 6.81% | Reduce -19.8% | 533,985 | $209.2M |
| Sands Capital Management, LLC | 0.82% | New | 531,892 | $208.4M |
| Sumitomo Mitsui Trust Group, Inc. | 0.13% | Add +0.7% | 522,344 | $204.6M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.14% | Add +8.5% | 518,454 | $203.1M |
| WT Asset Management Ltd | 4.03% | Add +131.9% | 489,785 | $191.9M |
| Vanguard Global Advisers, LLC | 0.10% | — | 477,174 | $186.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.20% | Add +483.6% | 433,174 | $169.4M |
| Ameriprise Financial Inc. | 0.04% | Add +4.4% | 429,000 | $168.1M |
| Balyasny Asset Management L.P. | 0.32% | Add +5090.5% | 396,136 | $155.2M |
| Raymond James Financial Inc. | 0.05% | Reduce -5.1% | 385,329 | $151.0M |
| Avala Global LP | 7.14% | Add +25.1% | 379,430 | $148.6M |
| HSBC Holdings PLC | 0.09% | Add +119.7% | 378,527 | $147.8M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.13% | — | 376,308 | $147.4M |
| California Public Employees Retirement System | 0.09% | Add +0.7% | 360,397 | $141.2M |
| Citigroup Inc. | 0.08% | Reduce -7.7% | 336,563 | $131.9M |
| Anther Capital Ltd | 3.39% | — | 331,233 | $129.8M |
| TOMS Capital Investment Management LP | 8.52% | New | 331,000 | $129.7M |
| Bridgewater Associates | 0.58% | Add +17.6% | 329,117 | $128.9M |
| Wells Fargo & Company | 0.03% | Reduce -11.3% | 325,412 | $127.5M |
| ProShare Advisors LLC | 0.18% | Reduce -16.4% | 318,510 | $124.8M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.17% | Add +6.4% | 311,448 | $121.9M |
| Renaissance Technologies | 0.19% | Reduce -18.7% | 310,494 | $121.6M |
| California State Teachers Retirement System | 0.13% | Reduce -0.0% | 307,293 | $120.4M |
| Envestnet Asset Management Inc. | 0.03% | Add +11.3% | 305,144 | $119.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.27% | Reduce -21.1% | 298,197 | $116.8M |
| Palestra Capital Management LLC | 4.52% | New | 294,000 | $115.2M |
| Amanah Holdings Trust | 12.50% | No change | 289,774 | $113.5M |
| Squarepoint Ops LLC | 0.23% | Reduce -51.0% | 268,866 | $105.3M |
| LPL Financial LLC | 0.03% | Add +7.5% | 265,906 | $104.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.17% | Reduce -10.6% | 261,845 | $102.6M |
| Ensign Peak Advisors, Inc | 0.19% | Add +20.4% | 255,726 | $100.2M |
| Millennium Management | 0.08% | Add +206.8% | 250,279 | $98.0M |
| Focus Partners Wealth | 0.11% | Reduce -24.1% | 249,280 | $97.9M |
| Sei Investments Co. | 0.09% | Reduce -17.5% | 247,152 | $96.8M |
| KBC Group NV | 0.24% | Reduce -61.6% | 245,061 | $96.0M |
| Principal Financial Group Inc. | 0.05% | Add +0.3% | 243,641 | $95.4M |
| National Bank of Canada | 0.09% | Reduce -0.7% | 233,324 | $91.4M |
| Primecap Management Co. | 0.07% | Reduce -40.1% | 230,332 | $90.2M |
| HRT Financial LP | 0.22% | New | 229,531 | $89.9M |
| Rhumbline Advisers | 0.08% | Reduce -3.1% | 229,211 | $89.8M |
| Allianz Asset Management GmbH | 0.10% | Reduce -19.4% | 227,373 | $89.1M |
| M&G PLC | 0.46% | Reduce -29.4% | 221,909 | $87.0M |
| Natixis Advisors, LLC | 0.12% | Add +38.1% | 213,997 | $83.8M |
| Storebrand Asset Management As | 0.24% | Reduce -11.2% | 212,787 | $83.4M |
| Trivest Advisors Ltd | 5.87% | Reduce -35.8% | 208,000 | $81.5M |
| Woodline Partners LP | 0.31% | Add +125.3% | 207,507 | $81.3M |
| Victory Capital Management Inc. | 0.05% | Reduce -5.3% | 195,670 | $76.7M |
| Oxbow Capital Management (HK) Ltd | 20.09% | Reduce -39.5% | 190,213 | $74.5M |
"% of holder's portfolio" is STX's weight in each manager's 13F, not the share of Seagate Technology Holdings the manager owns.