Seagate Technology: which funds bought and sold
Institutions that bought and sold Seagate Technology shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 1,163 institutions that filed 13F reports for both quarters added to or opened positions in Seagate Technology, and 656 cut or closed them. Together they sold a net 6.2M shares, −3.3% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 3.2M shares (−5.8%); index fund managers were net sellers of 1.1M shares (−1.8%). 544 opened a new position and 64 sold out entirely.
Bought, Q2 2026 1,163 institutions, 544 of them new holders Sold, Q2 2026 656 institutions, 64 of them sold out
Net change, all compared −6.2M shares (−3.3%)
Net change, active managers −3.2M shares (−5.8%), 68 bought, 46 sold
Buyers versus sellers
1,163 bought 150 656 sold
Active managers and hedge funds 68 bought · 46 sold · −3.2M
Index fund managers 9 bought · 3 sold · −1.1M
Other institutions 1,086 bought · 607 sold · −1.9M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Wellington Management Group LLP Active manager | +2.3M +2655.9% | 2.4M | $2.3B |
| Jane Street Group, LLC | +1.5M +7380.5% | 1.5M | $1.4B |
| Exchange Traded Concepts, LLC | +1.1M +3733.6% | 1.2M | $1.1B |
| Capital International Investors Active manager | +1.0M New position | 1.0M | $996M |
| Lone Pine Capital LLC Hedge fund | +1.0M New position | 1.0M | $965M |
| WCM Investment Management, LLC Active manager | +974K +22.4% | 5.3M | $5.2B |
| Blackrock, Inc. Index funds | +893K +6.3% | 15.2M | $14.6B |
| Arrowstreet Capital, Limited Partnership Hedge fund | +705K +49.2% | 2.1M | $2.1B |
| Citadel Advisors LLC Hedge fund | +645K +582.2% | 755K | $729M |
| State Street Corp Index funds | +590K +6.3% | 9.9M | $9.6B |
| Qube Research & Technologies Ltd Hedge fund | +551K +34043.3% | 553K | $533M |
| Trivest Advisors Ltd | +530K +254.7% | 738K | $712M |
| Winslow Capital Management, LLC Active manager | +517K New position | 517K | $499M |
| Vanguard Capital Management LLC Index funds | +474K +3.4% | 14.6M | $14.1B |
| Sachem Head Capital Management LP Hedge fund | +472K New position | 472K | $455M |
| SG Americas Securities, LLC | +462K New position | 462K | $446M |
| Alliancebernstein L.P. Active manager | +454K +232.2% | 649K | $254M |
| Millennium Management LLC Hedge fund | +383K +152.9% | 633K | $611M |
| Invesco Ltd. | +360K +5.0% | 7.5M | $7.3B |
| California Public Employees Retirement System | +338K +93.7% | 698K | $674M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Wellington Management Group LLP Active manager | +2.3M +2655.9% | 2.4M | $2.3B |
| Capital International Investors Active manager | +1.0M New position | 1.0M | $996M |
| Lone Pine Capital LLC Hedge fund | +1.0M New position | 1.0M | $965M |
| WCM Investment Management, LLC Active manager | +974K +22.4% | 5.3M | $5.2B |
| Arrowstreet Capital, Limited Partnership Hedge fund | +705K +49.2% | 2.1M | $2.1B |
| Citadel Advisors LLC Hedge fund | +645K +582.2% | 755K | $729M |
| Qube Research & Technologies Ltd Hedge fund | +551K +34043.3% | 553K | $533M |
| Winslow Capital Management, LLC Active manager | +517K New position | 517K | $499M |
| Sachem Head Capital Management LP Hedge fund | +472K New position | 472K | $455M |
| Alliancebernstein L.P. Active manager | +454K +232.2% | 649K | $254M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Sanders Capital, LLC Active manager | −9.4M −73.0% | 3.5M | $3.4B |
| Vanguard Portfolio Management LLC Index funds | −3.1M −27.9% | 8.0M | $7.7B |
| Nomura Asset Management International Inc. | −1.8M −99.7% | 5,497 | $5.3M |
| Franklin Resources Inc Active manager | −1.7M −48.9% | 1.8M | $1.7B |
| DZ Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | −1.5M −41.8% | 2.1M | $2B |
| Jpmorgan Chase & Co | −1.5M −21.9% | 5.2M | $5B |
| UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC | −1.4M −94.0% | 92K | $88.7M |
| Capital Research Global Investors Active manager | −1.4M −24.6% | 4.3M | $4.2B |
| Bank Of America Corp | −1.3M −37.4% | 2.1M | $2B |
| Holocene Advisors, LP Hedge fund | −627K −57.7% | 460K | $444M |
| Soroban Capital Partners LP Hedge fund | −534K Sold out | 0 | — |
| Bank Of Montreal | −350K −34.7% | 659K | $636M |
| Russell Investments Group, Ltd. | −279K −28.9% | 687K | $664M |
| Canada Pension Plan Investment Board | −244K −27.6% | 640K | $617M |
| Maple Rock Capital Partners Inc. Hedge fund | −233K −43.6% | 301K | $291M |
| Value Aligned Research Advisors, LLC | −205K −22.4% | 709K | $685M |
| Squarepoint Ops LLC Hedge fund | −205K −76.2% | 64K | $61.6M |
| Oxbow Capital Management (HK) Ltd | −190K Sold out | 0 | — |
| Deutsche Bank Ag\ | −167K −9.5% | 1.6M | $1.5B |
| Nuveen, LLC | −166K −21.5% | 606K | $585M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Sanders Capital, LLC Active manager | −9.4M −73.0% | 3.5M | $3.4B |
| Franklin Resources Inc Active manager | −1.7M −48.9% | 1.8M | $1.7B |
| Capital Research Global Investors Active manager | −1.4M −24.6% | 4.3M | $4.2B |
| Holocene Advisors, LP Hedge fund | −627K −57.7% | 460K | $444M |
| Soroban Capital Partners LP Hedge fund | −534K Sold out | 0 | — |
| Maple Rock Capital Partners Inc. Hedge fund | −233K −43.6% | 301K | $291M |
| Squarepoint Ops LLC Hedge fund | −205K −76.2% | 64K | $61.6M |
| Acadian Asset Management LLC Active manager | −157K −25.9% | 448K | $432M |
| Woodline Partners LP Hedge fund | −153K −73.6% | 55K | $52.8M |
| TOMS Capital Investment Management LP Hedge fund | −151K −45.5% | 180K | $174M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Capital International InvestorsActive manager | 1.0M | $996M |
| Lone Pine Capital LLCHedge fund | 1.0M | $965M |
| Winslow Capital Management, LLCActive manager | 517K | $499M |
| Sachem Head Capital Management LPHedge fund | 472K | $455M |
| SG Americas Securities, LLC | 462K | $446M |
| Tiger Global Management LLCHedge fund | 285K | $275M |
| Evergreen Quality Fund Gp, Ltd. | 212K | $204M |
| William Blair Investment Management, LLCActive manager | 191K | $184M |
| Capital World InvestorsActive manager | 151K | $146M |
| Whale Rock Capital Management LLCHedge fund | 149K | $143M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Soroban Capital Partners LPHedge fund | 534K | $209M |
| Oxbow Capital Management (HK) Ltd | 190K | $74.5M |
| Tudor Investment Corp Et AlHedge fund | 102K | $40M |
| Sora Investors LLC | 60K | $23.6M |
| Zurich Insurance Group Ltd | 48K | $18.8M |
| Attestor Capital Ltd | 39K | $15.4M |
| Longaeva Partners L.P. | 22K | $8.4M |
| Oribel Capital Management, LP | 20K | $7.9M |
| Susquehanna Fundamental Investments, LLC | 14K | $5.5M |
| Pinkerton Wealth, LLC | 11K | $3M |
Who holds the shares
- Institutions reporting
- 1,936
- Ten largest holders
- 44.8% of 13F-reported shares
- Index fund managers
- 31.0% of 13F-reported shares
- Active managers and hedge funds
- 27.3% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 68 | 46 | 22 | 3 | −3.2M | −5.8% |
| Index fund managers | 9 | 3 | 0 | 0 | −1.1M | −1.8% |
| Other institutions | 1,086 | 607 | 522 | 61 | −1.9M | −2.6% |