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, Q4 2025
Institutional positions in Seagate Technology Holdings plc as of Dec 31, 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
- 1,280
- +170 vs. Q3 2025
- Shares held
- 194.4M
- +515.6K (+0.3%) vs. Q3 2025
- Total value
- $53.5B
- +$7.82B (+17.1%) vs. Q3 2025
- New holders
- 256
- 448 more added
- Sold out
- 86
- 408 more reduced
16 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| La Banque Postale Asset Management SA | 60,114 | $16.6M | 0.19% | −24,305−28.8% | Reduced |
| Robeco Institutional Asset Management B.V. | 60,142 | $16.6M | 0.02% | +48,062+397.9% | Added |
| Verition Fund Management LLC | 61,202 | $16.9M | 0.09% | −6,960−10.2% | Reduced |
| The PNC Financial Services Group, Inc. | 61,270 | $16.9M | 0.01% | +3,091+5.3% | Added |
| Potrero Capital Research LLC | 61,600 | $17.0M | 5.71% | −20,500−25.0% | Reduced |
| Keystone Financial Group | 62,817 | $17.3M | 1.28% | −4,971−7.3% | Reduced |
| Aquatic Capital Management LLC | 64,354 | $17.7M | 0.50% | −119,093−64.9% | Reduced |
| Aufman Associates Inc | 65,559 | $18.1M | 9.25% | −4,833−6.9% | Reduced |
| Macquarie Group Ltd | 67,941 | $18.7M | 0.08% | +7,304+12.0% | Added |
| Mariner, LLC | 68,594 | $18.9M | 0.02% | +19,651+40.2% | Added |
| Rheos Capital Works Inc. | 70,000 | $19.3M | 1.24% | +70,000 | New |
| Keystone Investors Pte Ltd | 70,051 | $19.3M | 1.73% | +19,730+39.2% | Added |
| Commonwealth Equity Services, LLC | 72,905 | $20.1M | 0.03% | −7,732−9.6% | Reduced |
| Delta Global Management LP | 73,120 | $20.1M | 1.47% | +73,120 | New |
| State of New Jersey Common Pension Fund D | 73,431 | $20.2M | 0.07% | −975−1.3% | Reduced |
| HighTower Advisors, LLC | 73,728 | $20.3M | 0.02% | −188−0.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 74,229 | $20.5M | 0.02% | +74,229 | New |
| Davidson Kempner Capital Management LP | 75,000 | $20.7M | 0.30% | +75,000 | New |
| Zweig-DiMenna Associates LLC | 75,001 | $20.7M | 1.47% | −1,224−1.6% | Reduced |
| GF Fund Management Co. Ltd. | 75,137 | $20.7M | 0.35% | +15,337+25.6% | Added |
| Boothbay Fund Management, LLC | 75,468 | $20.8M | 0.55% | −34,066−31.1% | Reduced |
| Liontrust Investment Partners LLP | 75,843 | $20.9M | 0.31% | −67,721−47.2% | Reduced |
| Hancock Whitney Corp | 78,242 | $21.5M | 0.39% | +136+0.2% | Added |
| KLP Kapitalforvaltning AS | 78,895 | $21.8M | 0.08% | +2,200+2.9% | Added |
| Millennium Management LLC | 81,581 | $22.5M | 0.02% | −694,605−89.5% | Reduced |
| Walleye Trading LLC | 85,237 | $23.5M | 0.38% | −673,929−88.8% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 85,267 | $23.9M | 0.07% | +85,267 | New |
| Swiss Life Asset Management Ltd | 86,735 | $23.9M | 0.12% | −133,711−60.7% | Reduced |
| Central Asset Investments & Management Holdings (HK) Ltd | 88,224 | $24.3M | 15.79% | +66,399+304.2% | Added |
| Nomura Asset Management Co Ltd | 88,415 | $24.3M | 0.06% | +8,207+10.2% | Added |
| Janney Montgomery Scott LLC | 89,911 | $24.8M | 0.06% | −2,303−2.5% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 89,973 | $24.8M | 0.06% | +2,982+3.4% | Added |
| CIBC Asset Management Inc | 90,130 | $24.8M | 0.06% | +56,233+165.9% | Added |
| Woodline Partners LP | 92,118 | $25.4M | 0.10% | +38,470+71.7% | Added |
| Royal London Asset Management Ltd | 92,262 | $25.4M | 0.05% | +3,809+4.3% | Added |
| Apis Capital Advisors, LLC | 92,400 | $25.4M | 4.43% | −21,900−19.2% | Reduced |
| Asset Management One Co.,Ltd. | 90,912 | $25.6M | 0.07% | +480+0.5% | Added |
| NEOS Investment Management LLC | 94,271 | $26.0M | 0.15% | +78,306+490.5% | Added |
| Kinetic Partners Management, LP | 95,200 | $26.2M | 1.27% | −5,100−5.1% | Reduced |
| Hosking Partners LLP | 98,152 | $27.0M | 0.92% | −11,128−10.2% | Reduced |
| ARS Investment Partners, LLC | 101,172 | $27.9M | 1.63% | −3,215−3.1% | Reduced |
| CCM Investment Advisers LLC | 102,281 | $28.2M | 2.70% | −13,714−11.8% | Reduced |
| Neuberger Berman Group LLC | 103,081 | $28.4M | 0.02% | −25,290−19.7% | Reduced |
| TD Asset Management Inc | 103,198 | $28.4M | 0.02% | +11,749+12.8% | Added |
| APG Asset Management N.V. | 122,873 | $28.8M | 0.08% | −2,755−2.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 105,131 | $29.0M | 0.08% | +76,695+269.7% | Added |
| Talos Asset Management LP | 105,800 | $29.1M | 5.16% | −6,600−5.9% | Reduced |
| O'Shaughnessy Asset Management, LLC | 106,872 | $29.4M | 0.16% | +18,745+21.3% | Added |
| Danske Bank A/S | 107,030 | $29.5M | 0.07% | −7,274−6.4% | Reduced |
| State of Tennessee, Treasury Department | 72,917 | $29.7M | 0.10% | +2,075+2.9% | Added |
| Cetera Investment Advisers | 109,603 | $30.2M | 0.03% | −5,212−4.5% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 110,468 | $30.4M | 0.08% | +1,723+1.6% | Added |
| Rafferty Asset Management, LLC | 110,977 | $30.6M | 0.11% | +37,133+50.3% | Added |
| Tredje AP-fonden | 111,339 | $30.7M | 0.23% | +90,968+446.6% | Added |
| Man Group plc | 113,880 | $31.4M | 0.06% | +80,095+237.1% | Added |
| Handelsbanken Fonder AB | 113,893 | $31.4M | 0.09% | −15,428−11.9% | Reduced |
| Caisse de Depot Et Placement du Quebec | 115,597 | $31.8M | 0.05% | +115,597 | New |
| Rivermont Capital Management LP | 116,496 | $32.1M | 7.62% | −33,715−22.4% | Reduced |
| Value Aligned Research Advisors, LLC | 126,282 | $34.8M | 0.71% | +126,282 | New |
| State of Wisconsin Investment Board | 128,654 | $35.4M | 0.08% | −4,590−3.4% | Reduced |
| Wellington Management Group LLP | 129,616 | $35.7M | 0.01% | +8,904+7.4% | Added |
| Voya Investment Management LLC | 130,517 | $35.9M | 0.04% | +16,384+14.4% | Added |
| Stifel Financial Corp | 130,770 | $36.0M | 0.03% | −30,478−18.9% | Reduced |
| Hallmark Capital Management Inc | 132,446 | $36.5M | 2.34% | −7,469−5.3% | Reduced |
| Pictet Asset Management Holding SA | 133,255 | $36.7M | 0.04% | +4,553+3.5% | Added |
| Manufacturers Life Insurance Company, The | 134,812 | $37.1M | 0.03% | +4,939+3.8% | Added |
| Deroy & Devereaux Private Investment Counsel Inc | 134,949 | $37.2M | 1.81% | −3,480−2.5% | Reduced |
| Teacher Retirement System of Texas | 135,737 | $37.4M | 0.13% | +101,266+293.8% | Added |
| Quantinno Capital Management LP | 136,483 | $37.6M | 0.08% | +6,161+4.7% | Added |
| Susquehanna International Group, LLP | 145,141 | $40.0M | 0.05% | −410,961−73.9% | Reduced |
| Blue Whale Capital LLP | 148,274 | $40.8M | 2.10% | −73,431−33.1% | Reduced |
| Natixis Advisors, L.P. | 155,007 | $42.7M | 0.06% | +20,524+15.3% | Added |
| Colony Capital, Inc. | 164,192 | $45.2M | 3.49% | −34,263−17.3% | Reduced |
| Mackenzie Financial Corp | 163,308 | $45.6M | 0.05% | −31,368−16.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 167,201 | $46.0M | 0.07% | +87,100+108.7% | Added |
| Jefferies Financial Group Inc. | 171,077 | $47.1M | 0.39% | +170,723+48,226.8% | Added |
| HSBC Holdings PLC | 172,331 | $47.6M | 0.03% | +85,246+97.9% | Added |
| Aviva PLC | 177,770 | $49.0M | 0.08% | +9,260+5.5% | Added |
| Standard Life Aberdeen plc | 178,818 | $49.2M | 0.08% | +117+0.1% | Added |
| Advisors Capital Management, LLC | 181,266 | $49.9M | 0.59% | −14,155−7.2% | Reduced |
| New York State Teachers Retirement System | 187,044 | $51.5M | 0.10% | +8,991+5.0% | Added |
| Citadel Advisors LLC | 191,162 | $52.6M | 0.04% | +94,829+98.4% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 192,110 | $52.9M | 0.26% | +123,463+179.9% | Added |
| Alliancebernstein L.P. | 196,770 | $54.2M | 0.02% | −37,266−15.9% | Reduced |
| Virginia Retirement Systems Et Al | 199,800 | $55.0M | 0.33% | −47,500−19.2% | Reduced |
| Hawk Ridge Capital Management LP | 200,904 | $55.3M | 2.55% | −34,896−14.8% | Reduced |
| Victory Capital Management Inc | 206,610 | $56.9M | 0.03% | +91,440+79.4% | Added |
| Wedge Capital Management L L P | 207,131 | $57.0M | 1.02% | −111,729−35.0% | Reduced |
| WT Asset Management Ltd | 211,200 | $58.2M | 2.31% | +116,200+122.3% | Added |
| Ensign Peak Advisors, Inc | 212,368 | $58.5M | 0.10% | +121,027+132.5% | Added |
| Federated Hermes, Inc. | 224,609 | $61.9M | 0.10% | +224,258+63,891.2% | Added |
| Korea Investment CORP | 228,575 | $62.9M | 0.12% | +57,438+33.6% | Added |
| National Bank of Canada | 235,002 | $64.7M | 0.07% | +61,522+35.5% | Added |
| Rhumbline Advisers | 236,597 | $65.2M | 0.05% | −1,921−0.8% | Reduced |
| Storebrand Asset Management AS | 239,732 | $66.0M | 0.18% | −2,796−1.2% | Reduced |
| SG Americas Securities, LLC | 239,965 | $66.1M | 0.09% | +212,407+770.8% | Added |
| Principal Financial Group Inc | 242,898 | $66.9M | 0.03% | +13,304+5.8% | Added |
| LPL Financial LLC | 247,287 | $68.1M | 0.02% | −11,488−4.4% | Reduced |
| Envestnet Asset Management Inc | 274,205 | $75.5M | 0.02% | −45,340−14.2% | Reduced |
| Rokos Capital Management LLP | 279,895 | $77.1M | 1.13% | −210,688−42.9% | Reduced |