Amkor Technology, Inc.: which funds bought and sold
Institutions that bought and sold Amkor 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, 378 institutions that filed 13F reports for both quarters added to or opened positions in Amkor Technology, and 244 cut or closed them. Together they sold a net 6.4M shares, −5.3% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 5.4M shares (−16.4%); index fund managers were net buyers of 1.2M shares (+3.1%). 161 opened a new position and 50 sold out entirely.
Bought, Q2 2026 378 institutions, 161 of them new holders Sold, Q2 2026 244 institutions, 50 of them sold out
Net change, all compared −6.4M shares (−5.3%)
Net change, active managers −5.4M shares (−16.4%), 28 bought, 46 sold
Buyers versus sellers
378 bought 61 244 sold
Active managers and hedge funds 28 bought · 46 sold · −5.4M
Index fund managers 7 bought · 4 sold · +1.2M
Other institutions 343 bought · 194 sold · −2.2M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Clal Insurance Enterprises Holdings Ltd | +1.8M New position | 1.8M | $152M |
| Vanguard Capital Management LLC Index funds | +1.3M +23.3% | 6.7M | $578M |
| TCW Group Inc Active manager | +971K +1712.0% | 1.0M | $88.6M |
| Price T Rowe Associates Inc Active manager | +913K +122.3% | 1.7M | $143M |
| Citadel Advisors LLC Hedge fund | +832K +425.0% | 1.0M | $88.7M |
| Qube Research & Technologies Ltd Hedge fund | +799K +220.7% | 1.2M | $100M |
| Bank Of Nova Scotia | +676K New position | 676K | $58.3M |
| Vanguard Portfolio Management LLC Index funds | +617K +6.8% | 9.7M | $838M |
| Invesco Ltd. | +596K +31.6% | 2.5M | $214M |
| Renaissance Technologies LLC Hedge fund | +581K New position | 581K | $50.1M |
| FMR LLC Active manager | +579K +224.9% | 836K | $72.1M |
| Franklin Resources Inc Active manager | +335K +344.2% | 433K | $37.3M |
| Panagora Asset Management Inc Active manager | +301K +3699.3% | 309K | $26.7M |
| Wells Fargo & Company | +300K +62.8% | 779K | $67.1M |
| Jpmorgan Chase & Co | +296K +5.5% | 5.7M | $470M |
| Worldquant Millennium Advisors LLC Hedge fund | +290K +881.9% | 323K | $27.8M |
| Connor, Clark & Lunn Investment Management Ltd. | +284K +220.1% | 413K | $35.6M |
| Lord, Abbett & Co. LLC | +266K +58.3% | 722K | $62.2M |
| Susquehanna International Group, LLP | +242K +183.4% | 374K | $32.3M |
| AGF Management Ltd | +240K New position | 240K | $20.7M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| TCW Group Inc Active manager | +971K +1712.0% | 1.0M | $88.6M |
| Price T Rowe Associates Inc Active manager | +913K +122.3% | 1.7M | $143M |
| Citadel Advisors LLC Hedge fund | +832K +425.0% | 1.0M | $88.7M |
| Qube Research & Technologies Ltd Hedge fund | +799K +220.7% | 1.2M | $100M |
| Renaissance Technologies LLC Hedge fund | +581K New position | 581K | $50.1M |
| FMR LLC Active manager | +579K +224.9% | 836K | $72.1M |
| Franklin Resources Inc Active manager | +335K +344.2% | 433K | $37.3M |
| Panagora Asset Management Inc Active manager | +301K +3699.3% | 309K | $26.7M |
| Worldquant Millennium Advisors LLC Hedge fund | +290K +881.9% | 323K | $27.8M |
| Capital Fund Management S.A. Hedge fund | +194K +683.5% | 222K | $19.1M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Dimensional Fund Advisors LP | −2.9M −26.6% | 8.1M | $695M |
| Jane Street Group, LLC | −2.0M −86.8% | 308K | $26.5M |
| American Century Companies Inc Active manager | −1.7M −61.1% | 1.1M | $91M |
| Bridgewater Associates, LP Hedge fund | −1.6M −99.5% | 7,145 | $616,113 |
| Sw Investment Management LLC | −900K Sold out | 0 | — |
| D. E. Shaw & Co., Inc. Hedge fund | −864K −58.0% | 625K | $53.9M |
| Voloridge Investment Management, LLC Hedge fund | −819K −77.1% | 243K | $21M |
| Burkehill Global Management, LP Hedge fund | −800K Sold out | 0 | — |
| Trexquant Investment LP Hedge fund | −797K −74.7% | 270K | $23.2M |
| Squarepoint Ops LLC Hedge fund | −757K −78.3% | 210K | $18.1M |
| Blackrock, Inc. Index funds | −676K −5.2% | 12.3M | $1.1B |
| Principal Financial Group Inc | −653K −24.9% | 2.0M | $170M |
| Earnest Partners LLC Active manager | −579K −16.9% | 2.9M | $246M |
| SG Americas Securities, LLC | −539K −55.1% | 440K | $37.9M |
| Point72 Asset Management, L.P. Hedge fund | −516K −17.2% | 2.5M | $214M |
| UBS Group AG | −502K −44.1% | 635K | $54.8M |
| LPL Financial LLC | −481K −56.7% | 367K | $31.7M |
| LSV Asset Management Active manager | −466K −35.6% | 844K | $72.8M |
| Envestnet Asset Management Inc | −417K −56.3% | 324K | $27.9M |
| HRT Financial LP | −407K −81.4% | 93K | $8M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| American Century Companies Inc Active manager | −1.7M −61.1% | 1.1M | $91M |
| Bridgewater Associates, LP Hedge fund | −1.6M −99.5% | 7,145 | $616,113 |
| D. E. Shaw & Co., Inc. Hedge fund | −864K −58.0% | 625K | $53.9M |
| Voloridge Investment Management, LLC Hedge fund | −819K −77.1% | 243K | $21M |
| Burkehill Global Management, LP Hedge fund | −800K Sold out | 0 | — |
| Trexquant Investment LP Hedge fund | −797K −74.7% | 270K | $23.2M |
| Squarepoint Ops LLC Hedge fund | −757K −78.3% | 210K | $18.1M |
| Earnest Partners LLC Active manager | −579K −16.9% | 2.9M | $246M |
| Point72 Asset Management, L.P. Hedge fund | −516K −17.2% | 2.5M | $214M |
| LSV Asset Management Active manager | −466K −35.6% | 844K | $72.8M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Clal Insurance Enterprises Holdings Ltd | 1.8M | $152M |
| Bank Of Nova Scotia | 676K | $58.3M |
| Renaissance Technologies LLCHedge fund | 581K | $50.1M |
| AGF Management Ltd | 240K | $20.7M |
| Storebrand Asset Management As | 210K | $18.1M |
| Thames Capital Management LLC | 177K | $15.3M |
| Berkshire Capital Holdings Inc | 162K | $14M |
| Jefferies Financial Group Inc. | 156K | $13.5M |
| Susquehanna Fundamental Investments, LLC | 151K | $13.1M |
| Dld Asset Management, LP | 140K | $12.1M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Sw Investment Management LLC | 900K | $40.5M |
| Burkehill Global Management, LPHedge fund | 800K | $36M |
| Wellington Management Group LLPActive manager | 309K | $13.9M |
| Aquatic Capital Management LLC | 134K | $6.1M |
| Farallon Capital Management, L.L.C.Hedge fund | 104K | $4.7M |
| Prevail Innovative Wealth Advisors, LLC | 63K | $2.8M |
| Mubadala Investment Co Pjsc | 58K | $2.6M |
| Edgestream Partners, L.P.Hedge fund | 52K | $2.3M |
| Gf Fund Management Co. Ltd. | 44K | $2M |
| Artemis Wealth Advisors, LLC | 41K | $1.8M |
Who holds the shares
- Institutions reporting
- 641
- Ten largest holders
- 49.5% of 13F-reported shares
- Index fund managers
- 33.7% of 13F-reported shares
- Active managers and hedge funds
- 23.6% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 28 | 46 | 10 | 12 | −5.4M | −16.4% |
| Index fund managers | 7 | 4 | 0 | 0 | +1.2M | +3.1% |
| Other institutions | 343 | 194 | 151 | 38 | −2.2M | −4.3% |