Amkor Technology, Inc.
AMKR- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001047127
In the last 90 days, Amkor Technology, Inc. insiders filed 0 open-market purchases and 6 sales; 654 institutions reported holding it in 13F filings for Q2 2026, worth $9.96B in total; Maverick Capital is the only superinvestor holding it.
Key figures
- Market capClose on Nov 11, 2026
- $9.44B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $739.9K in total
- 6
- 13F holdersQ2 2026, +125 vs. previous quarter
- 654
- 13F valueReported value at the end of Q2 2026
- $9.96B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $6.71B
- +6.2% year over year
- Net income, FY2025
- $373.9M
- +5.6% year over year
- Free cash flow, FY2025
- $191.0M
- −44.7% year over year
- Revenue, Q3 FY2026
- $1.99B
- +0.2% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 12.6M
- Shares sold short
- Change
- +2.60M
- +25.9% vs. previous
- Days to cover
- 1.83
- At average daily volume
Superinvestors holding AMKR, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding Amkor Technology, Inc. on Form 13F. Percentages are the stock's share of each portfolio.
Maverick Capital
Lee Ainslie
<0.1%
Amkor Technology, Inc.'s share of the portfolio
- Shares
- 8,860
- Value
- $764.0K
Latest insider trades
See all insider tradesOpen-market purchases and sales by Amkor Technology, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 12, 2026 (view filing)4:38 PM ET | Nov 10 | 2 days | Faust MeganCFO | SSale | −1.00K | $35.00 | −$35.0K | −0.8%132.1K after | 10b5-1 |
| Nov 10, 2026 (view filing)4:20 PM ET | Nov 9 | 1 day | Engel KevinPresident and CEO | SSale | −1.00K | $35.00 | −$35.0K | −10.3%8.67K after | 10b5-1 |
| Oct 15, 2026 (view filing)4:16 PM ET | Oct 13 | 2 days | Faust MeganCFO | SSale | −1.00K | $46.92 | −$46.9K | −0.7%133.1K after | 10b5-1 |
| Oct 6, 2026 (view filing)4:35 PM ET | Oct 2 | 4 days | Alexander Douglas ADirector | SSale | −5.00K | $55.00 | −$275.0K | −14.7%29.1K after | 10b5-1 |
| Sep 10, 2026 (view filing)4:37 PM ET | Sep 8 | 2 days | Faust MeganCFO | SSale | −1.00K | $49.05 | −$49.0K | −0.7%134.1K after | 10b5-1 |
| Aug 19, 2026 (view filing)4:37 PM ET | Aug 17 | 2 days | Rogers Mark NEVP & General Counsel | SSale | −5.00K | $59.78 | −$298.9K | −11.4%38.9K after | 10b5-1 |
| Aug 13, 2026 (view filing)4:37 PM ET | Aug 11 | 2 days | Faust MeganCFO | SSale | −1.00K | $54.45 | −$54.5K | −0.7%135.1K after | 10b5-1 |
| Aug 11, 2026 (view filing)4:36 PM ET | Aug 7 | 4 days | Alexander Douglas ADirector | SSale | −5.00K | $55.81 | −$279.1K | −14.7%29.1K after | 10b5-1 |
| Aug 7, 2026 (view filing)4:36 PM ET | Aug 5-6 | 2 days | Rutten Guillaume Marie JeanDirector | SSale | −50.0K | $54.93 | −$2.75M | −9.8%461.7K after | 2 lots |
| Jul 31, 2026 (view filing)4:36 PM ET | Jul 30 | 1 day | Engel KevinPresident and CEO | SSale | −3.22K | $47.00 | −$151.4K | −25.0%9.67K after |
Top 10 13F holders, Q2 2026
See all 654 holdersThe largest institutional positions in Amkor Technology, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12,292,760 | $1.06B | 0.02% | −676,005−5.2% | Reduced |
| Vanguard Portfolio Management LLC | 9,712,553 | $837.5M | 0.04% | +616,705+6.8% | Added |
| Dimensional Fund Advisors LP | 8,064,191 | $695.3M | 0.13% | −2,927,278−26.6% | Reduced |
| Vanguard Capital Management LLC | 6,701,080 | $577.8M | 0.01% | +1,266,762+23.3% | Added |
| JPMorgan Chase & Co | 5,702,608 | $470.0M | 0.03% | +296,063+5.5% | Added |
| State Street Corp | 3,730,584 | $321.7M | 0.01% | +102,042+2.8% | Added |
| AQR Capital Management LLC | 3,231,546 | $273.8M | 0.10% | −10,584−0.3% | Reduced |
| Earnest Partners LLC | 2,852,492 | $246.0M | 0.89% | −579,351−16.9% | Reduced |
| Geode Capital Management, LLC | 2,798,149 | $241.3M | 0.01% | +67,641+2.5% | Added |
| Invesco Ltd. | 2,485,794 | $214.4M | 0.02% | +596,389+31.6% | Added |
Holders of 5% or more of AMKR
See all 1 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Amkor Technology, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Kim James J | 13D/A | 30.40%75.3M shares | −0.10 ppfrom 30.50% | Mar 16, 20217 filings | May 5, 2026 | SEC |
Politician trades
All politician trades in AMKR1 member of Congress reported 3 trades in Amkor Technology, Inc. since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Mar 2, 2026 |  Markwayne Mullin Senate · OK | Buy | $15K-$50K |
| Feb 4, 2026 | Markwayne Mullin Senate · OK | Buy | $15K-$50K |
| Feb 4, 2026 | Markwayne Mullin Senate · OK | Buy | $15K-$50K |
Senate · OK · Mar 2, 2026
Buy$15K-$50K
Senate · OK · Feb 4, 2026
Buy$15K-$50K
Senate · OK · Feb 4, 2026
Buy$15K-$50K