Seagate Technology HoldingsSTX
13F holders, Q3 2025 (September 30)1,117holders +171
263new positions
82sold out
11famous investors
$235.85avg. 13F price*
At the end of Q3 2025, 1,117 institutions reported holding Seagate Technology Holdings (STX) in their 13F filings, up 171 from Q2 2025. 263 opened new positions and 82 sold out. The largest holders were Vanguard Group Inc. ($6.6B), Sanders Capital, LLC ($4.1B) and BlackRock, Inc. ($3.4B). 11 famous investors held it, including Leopold Aschenbrenner (0.5% of Situational Awareness's portfolio), Stanley Druckenmiller (0.5% of Duquesne Family Office'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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 263 | $2.3B |
| Exits | 82 | $587.5M |
All 13F filers, Q2 2025 → Q3 2025: 24,941,151 shares bought and 28,337,644 shares sold, net −3,396,493 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,117 holders
| Vanguard Group Inc. | 0.10% | Add +1.6% | 28,140,287 | $6.6B |
| Sanders Capital, LLC | 5.09% | Reduce -3.0% | 17,541,266 | $4.1B |
| BlackRock, Inc. | 0.06% | Add +3.6% | 14,397,544 | $3.4B |
| JPMorgan Chase & Co. | 0.21% | Reduce -25.4% | 13,932,796 | $3.3B |
| State Street Corp. | 0.08% | Add +3.0% | 9,276,278 | $2.2B |
| Franklin Resources Inc. | 0.48% | Reduce -2.6% | 8,067,216 | $1.9B |
| Bank of America Corp. | 0.13% | Add +14.9% | 7,589,910 | $1.8B |
| Capital Research Global Investors | 0.27% | Reduce -15.1% | 6,189,644 | $1.5B |
| Morgan Stanley | 0.07% | Reduce -7.8% | 5,059,365 | $1.2B |
| WCM Investment Management, LLC | 2.47% | New | 5,182,949 | $1.2B |
| Geode Capital Management, LLC | 0.07% | Add +2.1% | 4,662,379 | $1.1B |
| Goldman Sachs Group Inc. | 0.13% | Add +112.9% | 3,726,026 | $879.6M |
| Arrowstreet Capital, Limited Partnership | 0.44% | Add +1072.5% | 2,949,512 | $696.3M |
| D. E. Shaw & Co. | 0.41% | Add +18.8% | 2,005,386 | $473.4M |
| FMR LLC | 0.02% | Reduce -69.1% | 1,981,226 | $467.7M |
| Northern Trust Corp. | 0.06% | Add +17.4% | 1,920,329 | $453.3M |
| Invesco Ltd. | 0.07% | Reduce -16.5% | 1,811,021 | $427.5M |
| Egerton Capital (UK) LLP | 3.97% | Reduce -22.4% | 1,592,983 | $376.0M |
| Legal & General Group Plc | 0.08% | Add +6.0% | 1,535,675 | $362.5M |
| Polar Capital Holdings Plc | 1.69% | Add +35.2% | 1,479,369 | $349.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.07% | Reduce -18.9% | 1,455,563 | $343.6M |
| Boston Partners | 0.33% | Add +2.4% | 1,372,103 | $323.9M |
| Charles Schwab Investment Management Inc. | 0.05% | Reduce -1.1% | 1,370,679 | $323.6M |
| Bank of New York Mellon Corp | 0.04% | Add +2.6% | 1,045,828 | $246.9M |
| Royal Bank of Canada | 0.04% | Reduce -28.8% | 1,034,425 | $244.2M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.21% | New | 989,756 | $233.6M |
| UBS Group AG | 0.04% | Reduce -10.0% | 942,889 | $222.6M |
| Castle Hook Partners LP | 3.34% | Add +27.9% | 935,751 | $220.9M |
| Russell Investments Group, Ltd. | 0.25% | Add +2.6% | 928,512 | $218.8M |
| Dimensional Fund Advisors LP | 0.05% | Reduce -6.7% | 898,578 | $212.1M |
| T. Rowe Price Associates Inc. | 0.02% | Add +19.9% | 843,600 | $199.1M |
| Citigroup Inc. | 0.14% | Add +61.2% | 832,622 | $196.5M |
| Canada Pension Plan Investment Board | 0.13% | Add +652.0% | 799,111 | $188.6M |
| Deutsche Bank AG | 0.06% | Reduce -35.7% | 792,000 | $187.0M |
| Wells Fargo & Company | 0.04% | Add +13.0% | 777,679 | $183.6M |
| Millennium Management | 0.15% | Add +3.5% | 776,186 | $183.2M |
| Walleye Trading LLC | 2.86% | Add +3694.3% | 759,166 | $179.2M |
| Atalan Capital Partners, LP | 12.30% | Add +49.3% | 746,600 | $176.2M |
| Maple Rock Capital Partners Inc. | 7.06% | Reduce -34.6% | 740,352 | $174.8M |
| Trivest Advisors Ltd | 5.44% | New | 722,000 | $170.4M |
| AQR Capital Management | 0.11% | Add +47.7% | 714,285 | $164.9M |
| Slate Path Capital LP | 2.41% | Reduce -71.9% | 658,867 | $155.5M |
| Primecap Management Co. | 0.12% | Reduce -33.4% | 654,557 | $154.5M |
| Los Angeles Capital Management LLC | 0.52% | Reduce -8.2% | 651,971 | $153.9M |
| BNP Paribas Financial Markets | 0.12% | Reduce -6.0% | 647,499 | $152.8M |
| KBC Group NV | 0.35% | Add +862.3% | 625,973 | $147.8M |
| Swiss National Bank | 0.08% | Reduce -4.5% | 611,700 | $144.4M |
| Nuveen, LLC | 0.04% | Add +99.7% | 606,148 | $143.1M |
| Barclays PLC | 0.05% | Add +3.3% | 560,566 | $132.3M |
| Susquehanna International Group, LLP | 0.19% | Add +147.3% | 556,102 | $131.3M |
| Point72 Asset Management | 0.29% | Reduce -44.0% | 535,000 | $126.3M |
| Soroban Capital Partners LP | 1.04% | Reduce -62.3% | 534,364 | $126.1M |
| Zurich Insurance Group Ltd | 0.90% | Reduce -4.3% | 533,797 | $126.0M |
| Avala Global LP | 5.20% | Reduce -3.8% | 533,430 | $125.9M |
| Sumitomo Mitsui Trust Group, Inc. | 0.07% | Reduce -0.1% | 512,778 | $121.0M |
| Rokos Capital Management LLP | 1.47% | Reduce -8.8% | 490,583 | $115.8M |
| Amundi | 0.04% | Reduce -11.8% | 472,991 | $114.7M |
| Raymond James Financial Inc. | 0.04% | Add +16.1% | 469,847 | $110.9M |
| First Trust Advisors LP | 0.08% | Add +8.7% | 450,783 | $106.4M |
| Oxbow Capital Management (HK) Ltd | 18.32% | New | 443,000 | $104.6M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.07% | Add +4.8% | 430,905 | $101.7M |
| Allianz Asset Management GmbH | 0.12% | Reduce -40.9% | 402,344 | $95.0M |
| M&G PLC | 0.52% | Reduce -17.3% | 399,464 | $94.3M |
| California Public Employees Retirement System | 0.05% | Add +3.5% | 356,652 | $84.2M |
| HRT Financial LP | 0.30% | Add +685.6% | 342,886 | $80.9M |
| Bank of Montreal | 0.03% | Add +87.4% | 319,622 | $75.4M |
| Envestnet Asset Management Inc. | 0.02% | Add +98.3% | 319,545 | $75.4M |
| Wedge Capital Management L L P | 1.27% | Reduce -34.4% | 318,860 | $75.3M |
| California State Teachers Retirement System | 0.08% | Add +1.1% | 316,055 | $74.6M |
| LPL Financial LLC | 0.02% | Add +11.8% | 258,775 | $61.1M |
| National Pension Service | 0.05% | Add +28.0% | 250,121 | $59.0M |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.38% | Reduce -22.3% | 247,300 | $58.4M |
| Storebrand Asset Management As | 0.15% | Add +56.9% | 242,528 | $57.3M |
| Rhumbline Advisers | 0.05% | Reduce -3.4% | 238,518 | $56.3M |
| Hawk Ridge Capital Management LP | 2.65% | Reduce -42.2% | 235,800 | $55.7M |
| Alliancebernstein L.P. | 0.02% | Reduce -0.7% | 234,036 | $55.2M |
| Principal Financial Group Inc. | 0.03% | Add +2.3% | 229,594 | $54.2M |
| Blue Whale Capital LLP | 2.89% | New | 221,705 | $52.3M |
| Swiss Life Asset Management Ltd | 0.27% | New | 220,446 | $52.0M |
| TCW Group Inc. | 0.43% | Reduce -37.0% | 215,991 | $51.0M |
| Artemis Investment Management LLP | 0.61% | Reduce -55.7% | 209,050 | $49.3M |
| Ameriprise Financial Inc. | 0.01% | Reduce -11.1% | 207,523 | $49.2M |
| DigitalBridge Group, Inc. | 3.84% | Reduce -21.8% | 198,455 | $46.8M |
| Advisors Capital Management, LLC | 0.58% | Reduce -33.4% | 195,421 | $46.1M |
| Mackenzie Financial Corp. | 0.06% | Add +16.7% | 194,676 | $46.0M |
| Focus Partners Wealth | 0.07% | Add +1923.8% | 194,204 | $45.8M |
| Holocene Advisors, LP | 0.10% | Reduce -17.7% | 188,008 | $44.4M |
| Aquatic Capital Management LLC | 0.80% | Add +247.2% | 183,447 | $43.3M |
| New York State Teachers Retirement System | 0.08% | Reduce -2.5% | 178,053 | $42.0M |
| Aberdeen Group plc | 0.07% | Add +7.2% | 178,701 | $41.2M |
| TD Waterhouse Canada Inc. | 0.27% | Add +3.3% | 158,513 | $41.0M |
| National Bank of Canada | 0.05% | Add +11.3% | 173,480 | $41.0M |
| Korea Investment CORP | 0.08% | Add +22.2% | 171,137 | $40.4M |
| Twin Tree Management, LP | 1.88% | New | 170,997 | $40.4M |
| Aviva PLC | 0.07% | Add +6.5% | 168,510 | $39.8M |
| Bridgewater Associates | 0.15% | Add +526.3% | 162,108 | $38.3M |
| Stifel Financial Corp. | 0.03% | Add +47.3% | 161,248 | $38.1M |
| NorthCoast Asset Management LLC | 0.14% | Add +26.9% | 153,437 | $36.3M |
| Rivermont Capital Management LP | 9.37% | New | 150,211 | $35.5M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.06% | Add +24.1% | 149,251 | $35.2M |
"% of holder's portfolio" is STX's weight in each manager's 13F, not the share of Seagate Technology Holdings the manager owns.