Filing Flows › Amkor Technology (AMKR) › Who owns the stock
Who owns Amkor Technology (AMKR) stock
586 funds reported Amkor Technology (AMKR) shares in their latest 13F filings, worth $9.6B in all. The largest holder is BlackRock ($1.1B). Last quarter 347 funds added to their stakes and 225 cut them. Members of Congress and other officials disclosed 3 trades (3 buys, 0 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| BlackRock | 12,292,760 | $1.1B | decrease | 2026-06-30 |
| Vanguard Portfolio Management LLC | 9,712,553 | $838M | increase | 2026-06-30 |
| Dimensional Fund Advisors LP | 8,064,191 | $695M | decrease | 2026-06-30 |
| Vanguard Group | 15,704,172 | $620M | decrease | 2025-12-31 |
| Vanguard Capital Management LLC | 6,701,080 | $578M | increase | 2026-06-30 |
| State Street | 3,730,584 | $322M | increase | 2026-06-30 |
| AQR Capital Management LLC | 3,231,546 | $274M | decrease | 2026-06-30 |
| Earnest Partners LLC | 2,852,492 | $246M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 2,798,149 | $241M | increase | 2026-06-30 |
| Invesco | 2,485,794 | $214M | increase | 2026-06-30 |
| Point72 Asset Management, L.P. | 2,477,326 | $214M | decrease | 2026-06-30 |
| Principal Financial Group | 1,970,200 | $170M | decrease | 2026-06-30 |
| First Trust Advisors LP | 1,836,306 | $158M | increase | 2026-06-30 |
| Charles Schwab Investment Management | 1,832,535 | $158M | decrease | 2026-06-30 |
| Fisher Asset Management, LLC | 1,821,547 | $157M | decrease | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-02-04 | Markwayne Mullin | purchase | $15K–$50K |
| 2026-01-05 | Markwayne Mullin | purchase | $15K–$50K |
| 2026-01-05 | Markwayne Mullin | purchase | $15K–$50K |
Amkor Technology's latest quarter
Amkor Technology, Q3 2026: revenue $2.0B (+0.2% year over year), operating margin 11.3%, net earnings $191M, operating cash flow $487M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most AMKR stock?
By the latest 13F filings: BlackRock ($1.1B); Vanguard Portfolio Management LLC ($838M); Dimensional Fund Advisors LP ($695M); Vanguard Group ($620M); Vanguard Capital Management LLC ($578M).
Has Congress traded AMKR stock?
Officials disclosed 3 trades on file: 3 buys and 0 sales. The latest: Markwayne Mullin, purchase on 2026-02-04.
What is the short interest in AMKR?
10,021,497 shares were sold short at the 2026-10-15 settlement, -6.01% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.