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, 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 |
|---|---|---|---|---|---|
| Boothbay Fund Management, LLC | 109,534 | $25.9M | 0.67% | +9,950+10.0% | Added |
| Talos Asset Management LP | 112,400 | $26.5M | 5.11% | −44,700−28.5% | Reduced |
| Voya Investment Management LLC | 114,133 | $26.9M | 0.03% | −7,584−6.2% | Reduced |
| Apis Capital Advisors, LLC | 114,300 | $27.0M | 5.96% | +60,300+111.7% | Added |
| Danske Bank A/S | 114,304 | $27.0M | 0.07% | +1,187+1.0% | Added |
| Cetera Investment Advisers | 114,815 | $27.1M | 0.03% | +22,056+23.8% | Added |
| Victory Capital Management Inc | 115,170 | $27.2M | 0.02% | −92,107−44.4% | Reduced |
| CCM Investment Advisers LLC | 115,995 | $27.4M | 2.70% | −38,338−24.8% | Reduced |
| Atika Capital Management LLC | 118,096 | $27.9M | 2.37% | +118,096 | New |
| Wellington Management Group LLP | 120,712 | $28.5M | 0.00% | −104,159−46.3% | Reduced |
| Point72 Hong Kong Ltd | 123,115 | $29.1M | 1.34% | +88,516+255.8% | Added |
| Massachusetts Financial Services Co | 124,747 | $29.4M | 0.01% | +124,747 | New |
| Alps Advisors Inc | 125,131 | $29.5M | 0.16% | −63,488−33.7% | Reduced |
| Neuberger Berman Group LLC | 128,371 | $30.3M | 0.02% | −528,897−80.5% | Reduced |
| Pictet Asset Management Holding SA | 128,702 | $30.4M | 0.03% | +1,587+1.2% | Added |
| Handelsbanken Fonder AB | 129,321 | $30.5M | 0.10% | −218−0.2% | Reduced |
| Manufacturers Life Insurance Company, The | 129,873 | $30.7M | 0.03% | +1,986+1.6% | Added |
| Quantinno Capital Management LP | 130,322 | $30.8M | 0.08% | +46,955+56.3% | Added |
| State of Wisconsin Investment Board | 133,244 | $31.5M | 0.07% | +11,286+9.3% | Added |
| Natixis Advisors, L.P. | 134,483 | $31.7M | 0.05% | +70,176+109.1% | Added |
| Deroy & Devereaux Private Investment Counsel Inc | 138,429 | $32.7M | 1.63% | +15,143+12.3% | Added |
| Hallmark Capital Management Inc | 139,915 | $33.0M | 2.18% | −24,190−14.7% | Reduced |
| Liontrust Investment Partners LLP | 143,564 | $33.9M | 0.50% | −212,865−59.7% | Reduced |
| Squarepoint Ops LLC | 148,100 | $35.0M | 0.07% | −228,472−60.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 149,251 | $35.2M | 0.06% | +28,981+24.1% | Added |
| Rivermont Capital Management LP | 150,211 | $35.5M | 9.37% | +150,211 | New |
| Kovitz Investment Group Partners, LLC | 153,437 | $36.3M | 0.14% | +32,508+26.9% | Added |
| Stifel Financial Corp | 161,248 | $38.1M | 0.03% | +51,776+47.3% | Added |
| Bridgewater Associates, LP | 162,108 | $38.3M | 0.15% | +136,225+526.3% | Added |
| Aviva PLC | 168,510 | $39.8M | 0.07% | +10,235+6.5% | Added |
| Twin Tree Management, LP | 170,997 | $40.4M | 1.88% | +170,997 | New |
| Korea Investment CORP | 171,137 | $40.4M | 0.08% | +31,064+22.2% | Added |
| National Bank of Canada | 173,480 | $41.0M | 0.05% | +17,551+11.3% | Added |
| TD Waterhouse Canada Inc. | 158,513 | $41.0M | 0.27% | +5,126+3.3% | Added |
| Standard Life Aberdeen plc | 178,701 | $41.2M | 0.07% | +12,037+7.2% | Added |
| New York State Teachers Retirement System | 178,053 | $42.0M | 0.08% | −4,660−2.6% | Reduced |
| Aquatic Capital Management LLC | 183,447 | $43.3M | 0.80% | +130,606+247.2% | Added |
| Holocene Advisors, LP | 188,008 | $44.4M | 0.10% | −40,405−17.7% | Reduced |
| Colony Group, LLC | 194,204 | $45.8M | 0.08% | +184,608+1,923.8% | Added |
| Mackenzie Financial Corp | 194,676 | $46.0M | 0.06% | +27,844+16.7% | Added |
| Advisors Capital Management, LLC | 195,421 | $46.1M | 0.57% | −98,065−33.4% | Reduced |
| Colony Capital, Inc. | 198,455 | $46.8M | 3.82% | −55,325−21.8% | Reduced |
| Ameriprise Financial Inc | 207,523 | $49.2M | 0.01% | −25,822−11.1% | Reduced |
| Artemis Investment Management LLP | 209,050 | $49.3M | 0.61% | −262,911−55.7% | Reduced |
| TCW Group Inc | 215,991 | $51.0M | 0.43% | −126,575−36.9% | Reduced |
| Swiss Life Asset Management Ltd | 220,446 | $52.0M | 0.27% | – | – |
| Blue Whale Capital LLP | 221,705 | $52.3M | 2.89% | +221,705 | New |
| Principal Financial Group Inc | 229,594 | $54.2M | 0.03% | +5,091+2.3% | Added |
| Alliancebernstein L.P. | 234,036 | $55.2M | 0.02% | −1,650−0.7% | Reduced |
| Hawk Ridge Capital Management LP | 235,800 | $55.7M | 2.65% | −172,120−42.2% | Reduced |
| Rhumbline Advisers | 238,518 | $56.3M | 0.05% | −8,350−3.4% | Reduced |
| Storebrand Asset Management AS | 242,528 | $57.3M | 0.15% | +87,956+56.9% | Added |
| Virginia Retirement Systems Et Al | 247,300 | $58.4M | 0.38% | −71,100−22.3% | Reduced |
| National Pension Service | 250,121 | $59.0M | 0.05% | +54,722+28.0% | Added |
| LPL Financial LLC | 258,775 | $61.1M | 0.02% | +27,380+11.8% | Added |
| Amanah Holdings Trust | 289,774 | $68.4M | 13.66% | 00.0% | Unchanged |
| California State Teachers Retirement System | 316,055 | $74.6M | 0.08% | +3,522+1.1% | Added |
| Wedge Capital Management L L P | 318,860 | $75.3M | 1.27% | −166,884−34.4% | Reduced |
| Envestnet Asset Management Inc | 319,545 | $75.4M | 0.02% | +158,414+98.3% | Added |
| Bank of Montreal | 319,622 | $75.4M | 0.03% | +149,052+87.4% | Added |
| HRT Financial LP | 342,886 | $80.9M | 0.30% | +299,242+685.6% | Added |
| California Public Employees Retirement System | 356,652 | $84.2M | 0.05% | +12,182+3.5% | Added |
| M&G Plc | 399,464 | $94.3M | 0.50% | −83,694−17.3% | Reduced |
| Allianz Asset Management GmbH | 402,344 | $95.0M | 0.12% | −278,097−40.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 430,905 | $101.7M | 0.07% | +19,774+4.8% | Added |
| Oxbow Capital Management (HK) Ltd | 443,000 | $104.6M | 18.32% | +443,000 | New |
| First Trust Advisors LP | 450,783 | $106.4M | 0.08% | +36,075+8.7% | Added |
| Raymond James Financial Inc | 469,847 | $110.9M | 0.04% | +65,106+16.1% | Added |
| Amundi | 472,991 | $114.7M | 0.04% | −63,602−11.9% | Reduced |
| Rokos Capital Management LLP | 490,583 | $115.8M | 1.46% | −47,172−8.8% | Reduced |
| Cacti Asset Management LLC | 539,758 | $117.4M | 7.94% | −18,275−3.3% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 512,778 | $121.0M | 0.07% | −259−0.1% | Reduced |
| Avala Global LP | 533,430 | $125.9M | 5.20% | −21,000−3.8% | Reduced |
| Zurich Insurance Group Ltd | 533,797 | $126.0M | 0.90% | −23,770−4.3% | Reduced |
| Soroban Capital Partners LP | 534,364 | $126.1M | 1.04% | −883,236−62.3% | Reduced |
| Point72 Asset Management, L.P. | 535,000 | $126.3M | 0.27% | −419,720−44.0% | Reduced |
| Susquehanna International Group, LLP | 556,102 | $131.3M | 0.19% | +331,245+147.3% | Added |
| Barclays PLC | 560,566 | $132.3M | 0.05% | +17,886+3.3% | Added |
| Nuveen, LLC | 606,148 | $143.1M | 0.04% | +302,636+99.7% | Added |
| Swiss National Bank | 611,700 | $144.4M | 0.08% | −29,100−4.5% | Reduced |
| KBC Group NV | 625,973 | $147.8M | 0.35% | +560,925+862.3% | Added |
| BNP Paribas Arbitrage, SA | 647,499 | $152.8M | 0.12% | −41,711−6.1% | Reduced |
| Los Angeles Capital Management LLC | 651,971 | $153.9M | 0.52% | −58,435−8.2% | Reduced |
| Primecap Management Co | 654,557 | $154.5M | 0.12% | −328,650−33.4% | Reduced |
| Slate Path Capital LP | 658,867 | $155.5M | 2.41% | −1,689,139−71.9% | Reduced |
| AQR Capital Management LLC | 714,285 | $164.9M | 0.11% | +230,643+47.7% | Added |
| Trivest Advisors Ltd | 722,000 | $170.4M | 5.44% | +722,000 | New |
| Maple Rock Capital Partners Inc. | 740,352 | $174.8M | 7.06% | −391,400−34.6% | Reduced |
| Atalan Capital Partners, LP | 746,600 | $176.2M | 12.30% | +246,600+49.3% | Added |
| Walleye Trading LLC | 759,166 | $179.2M | 2.86% | +739,158+3,694.3% | Added |
| Millennium Management LLC | 776,186 | $183.2M | 0.14% | +26,333+3.5% | Added |
| Wells Fargo & Company | 777,679 | $183.6M | 0.04% | +89,589+13.0% | Added |
| Deutsche Bank AG | 792,000 | $187.0M | 0.06% | −439,780−35.7% | Reduced |
| Canada Pension Plan Investment Board | 799,111 | $188.6M | 0.13% | +692,853+652.0% | Added |
| Citigroup Inc | 832,622 | $196.5M | 0.14% | +316,175+61.2% | Added |
| Price T Rowe Associates Inc | 843,600 | $199.1M | 0.02% | +139,953+19.9% | Added |
| Dimensional Fund Advisors LP | 898,578 | $212.1M | 0.05% | −64,699−6.7% | Reduced |
| Russell Investments Group, Ltd. | 928,512 | $218.8M | 0.25% | +23,596+2.6% | Added |
| Castle Hook Partners LP | 935,751 | $220.9M | 3.34% | +203,948+27.9% | Added |
| UBS Group AG | 942,889 | $222.6M | 0.04% | −104,314−10.0% | Reduced |