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
- 1,126
- +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
- 370 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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 28,140,287 | $6.64B | 0.10% | +442,749+1.6% | Added |
| Sanders Capital, LLC | 17,541,266 | $4.14B | 5.09% | −541,040−3.0% | Reduced |
| BlackRock, Inc. | 14,397,544 | $3.40B | 0.06% | +496,557+3.6% | Added |
| JPMorgan Chase & Co | 13,932,796 | $3.29B | 0.21% | −4,757,175−25.5% | Reduced |
| State Street Corp | 9,276,278 | $2.20B | 0.08% | +274,913+3.1% | Added |
| Franklin Resources Inc | 8,067,216 | $1.90B | 0.48% | −219,158−2.6% | Reduced |
| Bank of America Corp | 7,589,910 | $1.79B | 0.13% | +985,335+14.9% | Added |
| Capital Research Global Investors | 6,189,644 | $1.46B | 0.27% | −1,103,776−15.1% | Reduced |
| Morgan Stanley | 5,059,365 | $1.19B | 0.07% | −429,113−7.8% | Reduced |
| WCM Investment Management, LLC | 5,182,949 | $1.19B | 2.47% | +5,182,949 | New |
| Geode Capital Management, LLC | 4,662,379 | $1.10B | 0.07% | +95,198+2.1% | Added |
| Goldman Sachs Group Inc | 3,726,026 | $879.6M | 0.13% | +1,975,527+112.9% | Added |
| Arrowstreet Capital, Limited Partnership | 2,949,512 | $696.3M | 0.44% | +2,697,957+1,072.5% | Added |
| D. E. Shaw & Co., Inc. | 2,005,386 | $473.4M | 0.38% | +316,971+18.8% | Added |
| FMR LLC | 1,981,226 | $467.7M | 0.02% | −4,432,273−69.1% | Reduced |
| Northern Trust Corp | 1,920,329 | $453.3M | 0.06% | +284,758+17.4% | Added |
| Invesco Ltd. | 1,811,021 | $427.5M | 0.07% | −358,450−16.5% | Reduced |
| Egerton Capital (UK) LLP | 1,592,983 | $376.0M | 3.97% | −458,451−22.3% | Reduced |
| Legal & General Group Plc | 1,535,675 | $362.5M | 0.08% | +87,056+6.0% | Added |
| Polar Capital Holdings Plc | 1,479,369 | $349.2M | 1.68% | +384,850+35.2% | Added |
| UBS Asset Management Americas Inc | 1,455,563 | $343.6M | 0.07% | −338,706−18.9% | Reduced |
| Boston Partners | 1,372,103 | $323.9M | 0.33% | +31,602+2.4% | Added |
| Charles Schwab Investment Management Inc | 1,370,679 | $323.6M | 0.05% | −15,845−1.1% | Reduced |
| Bank of New York Mellon Corp | 1,045,828 | $246.9M | 0.04% | +26,636+2.6% | Added |
| Royal Bank of Canada | 1,034,425 | $244.2M | 0.04% | −418,055−28.8% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 989,756 | $233.6M | 0.21% | +989,756 | New |
| UBS Group AG | 942,889 | $222.6M | 0.04% | −104,314−10.0% | Reduced |
| Castle Hook Partners LP | 935,751 | $220.9M | 3.34% | +203,948+27.9% | Added |
| Russell Investments Group, Ltd. | 928,512 | $218.8M | 0.25% | +23,596+2.6% | Added |
| Dimensional Fund Advisors LP | 898,578 | $212.1M | 0.05% | −64,699−6.7% | Reduced |
| Price T Rowe Associates Inc | 843,600 | $199.1M | 0.02% | +139,953+19.9% | Added |
| Citigroup Inc | 832,622 | $196.5M | 0.14% | +316,175+61.2% | Added |
| Canada Pension Plan Investment Board | 799,111 | $188.6M | 0.13% | +692,853+652.0% | Added |
| Deutsche Bank AG | 792,000 | $187.0M | 0.06% | −439,780−35.7% | Reduced |
| Wells Fargo & Company | 777,679 | $183.6M | 0.04% | +89,589+13.0% | Added |
| Millennium Management LLC | 776,186 | $183.2M | 0.14% | +26,333+3.5% | Added |
| Walleye Trading LLC | 759,166 | $179.2M | 2.86% | +739,158+3,694.3% | Added |
| Atalan Capital Partners, LP | 746,600 | $176.2M | 12.30% | +246,600+49.3% | Added |
| Maple Rock Capital Partners Inc. | 740,352 | $174.8M | 7.06% | −391,400−34.6% | Reduced |
| Trivest Advisors Ltd | 722,000 | $170.4M | 5.44% | +722,000 | New |
| AQR Capital Management LLC | 714,285 | $164.9M | 0.11% | +230,643+47.7% | Added |
| Slate Path Capital LP | 658,867 | $155.5M | 2.41% | −1,689,139−71.9% | Reduced |
| Primecap Management Co | 654,557 | $154.5M | 0.12% | −328,650−33.4% | Reduced |
| Los Angeles Capital Management LLC | 651,971 | $153.9M | 0.52% | −58,435−8.2% | Reduced |
| BNP Paribas Arbitrage, SA | 647,499 | $152.8M | 0.12% | −41,711−6.1% | Reduced |
| KBC Group NV | 625,973 | $147.8M | 0.35% | +560,925+862.3% | Added |
| Swiss National Bank | 611,700 | $144.4M | 0.08% | −29,100−4.5% | Reduced |
| Nuveen, LLC | 606,148 | $143.1M | 0.04% | +302,636+99.7% | Added |
| Barclays PLC | 560,566 | $132.3M | 0.05% | +17,886+3.3% | Added |
| Susquehanna International Group, LLP | 556,102 | $131.3M | 0.19% | +331,245+147.3% | Added |
| Point72 Asset Management, L.P. | 535,000 | $126.3M | 0.27% | −419,720−44.0% | Reduced |
| Soroban Capital Partners LP | 534,364 | $126.1M | 1.04% | −883,236−62.3% | Reduced |
| Zurich Insurance Group Ltd | 533,797 | $126.0M | 0.90% | −23,770−4.3% | Reduced |
| Avala Global LP | 533,430 | $125.9M | 5.20% | −21,000−3.8% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 512,778 | $121.0M | 0.07% | −259−0.1% | Reduced |
| Cacti Asset Management LLC | 539,758 | $117.4M | 7.94% | −18,275−3.3% | Reduced |
| Rokos Capital Management LLP | 490,583 | $115.8M | 1.46% | −47,172−8.8% | Reduced |
| Amundi | 472,991 | $114.7M | 0.04% | −63,602−11.9% | Reduced |
| Raymond James Financial Inc | 469,847 | $110.9M | 0.04% | +65,106+16.1% | Added |
| First Trust Advisors LP | 450,783 | $106.4M | 0.08% | +36,075+8.7% | Added |
| Oxbow Capital Management (HK) Ltd | 443,000 | $104.6M | 18.32% | +443,000 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 430,905 | $101.7M | 0.07% | +19,774+4.8% | Added |
| Allianz Asset Management GmbH | 402,344 | $95.0M | 0.12% | −278,097−40.9% | Reduced |
| M&G Plc | 399,464 | $94.3M | 0.50% | −83,694−17.3% | Reduced |
| California Public Employees Retirement System | 356,652 | $84.2M | 0.05% | +12,182+3.5% | Added |
| HRT Financial LP | 342,886 | $80.9M | 0.30% | +299,242+685.6% | Added |
| Bank of Montreal | 319,622 | $75.4M | 0.03% | +149,052+87.4% | Added |
| Envestnet Asset Management Inc | 319,545 | $75.4M | 0.02% | +158,414+98.3% | Added |
| Wedge Capital Management L L P | 318,860 | $75.3M | 1.27% | −166,884−34.4% | Reduced |
| California State Teachers Retirement System | 316,055 | $74.6M | 0.08% | +3,522+1.1% | Added |
| Amanah Holdings Trust | 289,774 | $68.4M | 13.66% | 00.0% | Unchanged |
| LPL Financial LLC | 258,775 | $61.1M | 0.02% | +27,380+11.8% | Added |
| National Pension Service | 250,121 | $59.0M | 0.05% | +54,722+28.0% | Added |
| Virginia Retirement Systems Et Al | 247,300 | $58.4M | 0.38% | −71,100−22.3% | Reduced |
| Storebrand Asset Management AS | 242,528 | $57.3M | 0.15% | +87,956+56.9% | Added |
| Rhumbline Advisers | 238,518 | $56.3M | 0.05% | −8,350−3.4% | Reduced |
| Hawk Ridge Capital Management LP | 235,800 | $55.7M | 2.65% | −172,120−42.2% | Reduced |
| Alliancebernstein L.P. | 234,036 | $55.2M | 0.02% | −1,650−0.7% | Reduced |
| Principal Financial Group Inc | 229,594 | $54.2M | 0.03% | +5,091+2.3% | Added |
| Blue Whale Capital LLP | 221,705 | $52.3M | 2.89% | +221,705 | New |
| Swiss Life Asset Management Ltd | 220,446 | $52.0M | 0.27% | – | – |
| TCW Group Inc | 215,991 | $51.0M | 0.43% | −126,575−36.9% | Reduced |
| Artemis Investment Management LLP | 209,050 | $49.3M | 0.61% | −262,911−55.7% | Reduced |
| Ameriprise Financial Inc | 207,523 | $49.2M | 0.01% | −25,822−11.1% | Reduced |
| Colony Capital, Inc. | 198,455 | $46.8M | 3.82% | −55,325−21.8% | Reduced |
| Advisors Capital Management, LLC | 195,421 | $46.1M | 0.57% | −98,065−33.4% | Reduced |
| Mackenzie Financial Corp | 194,676 | $46.0M | 0.06% | +27,844+16.7% | Added |
| Colony Group, LLC | 194,204 | $45.8M | 0.08% | +184,608+1,923.8% | Added |
| Holocene Advisors, LP | 188,008 | $44.4M | 0.10% | −40,405−17.7% | Reduced |
| Aquatic Capital Management LLC | 183,447 | $43.3M | 0.80% | +130,606+247.2% | Added |
| New York State Teachers Retirement System | 178,053 | $42.0M | 0.08% | −4,660−2.6% | Reduced |
| Standard Life Aberdeen plc | 178,701 | $41.2M | 0.07% | +12,037+7.2% | Added |
| TD Waterhouse Canada Inc. | 158,513 | $41.0M | 0.27% | +5,126+3.3% | Added |
| National Bank of Canada | 173,480 | $41.0M | 0.05% | +17,551+11.3% | Added |
| Korea Investment CORP | 171,137 | $40.4M | 0.08% | +31,064+22.2% | Added |
| Twin Tree Management, LP | 170,997 | $40.4M | 1.88% | +170,997 | New |
| Aviva PLC | 168,510 | $39.8M | 0.07% | +10,235+6.5% | Added |
| Bridgewater Associates, LP | 162,108 | $38.3M | 0.15% | +136,225+526.3% | Added |
| Stifel Financial Corp | 161,248 | $38.1M | 0.03% | +51,776+47.3% | Added |
| Kovitz Investment Group Partners, LLC | 153,437 | $36.3M | 0.14% | +32,508+26.9% | Added |