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 8 sales; 648 institutions reported holding it in 13F filings for Q2 2026, worth $9.97B in total; Maverick Capital is the only superinvestor holding it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $3.97M in total
- 8
- 13F holdersQ2 2026, +122 vs. previous quarter
- 648
- 13F valueReported value at the end of Q2 2026
- $9.97B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Superinvestors holding AMKR, Q2 2026
1 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
Open-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 |
|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| Jul 20, 2026 (view filing)4:38 PM ET | Jul 16 | 4 days | Rogers Mark NEVP & General Counsel | SSale | −5.00K | $65.12 | −$325.6K | −11.4%38.9K after | 10b5-1 |
| Jul 16, 2026 (view filing)4:36 PM ET | Jul 14 | 2 days | Faust MeganCFO | SSale | −1.00K | $69.91 | −$69.9K | −0.7%136.1K after | 10b5-1 |
| Jun 18, 2026 (view filing) | Jun 16 | 2 days | Rogers Mark NEVP & General Counsel | SSale | −5.00K | $86.21 | −$431.1K | −11.4%38.9K after | 10b5-1 |
| Jun 16, 2026 (view filing) | Jun 12 | 4 days | Churchill Winston JDirector | SSale | −5.00K | $78.20 | −$391.0K | −14.8%28.8K after |
Top 10 13F holders, Q2 2026
The 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 |