Amkor Technology, Inc. AMKR
32.82 USD +2.33 (+7.64%)
At closeNov 6, 2026, 7:59 PM EST
32.85 +0.03 +0.09%
After hours · Nov 6, 7:59 PM ET
31.72 Day range 33.51
29.76 52-week range 96.68
- YTD
- -16.87%
- 1 year
- -6.63%
Ownership
Held by insiders 50.04%
Held by institutions 48.65%
Float held by institutions 97.39%
Institutions 817
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 4.96% | 12,292,760 | 403.45M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 3.92% | 9,712,553 | 318.77M | Jun 29, 2026 |
| Dimensional Fund Advisors LP | 3.56% | 8,830,120 | 289.80M | Sep 29, 2026 |
| Vanguard Capital Management LLC | 2.70% | 6,701,080 | 219.93M | Jun 29, 2026 |
| JPMORGAN CHASE & CO | 2.30% | 5,702,608 | 187.16M | Jun 29, 2026 |
| State Street Corporation | 1.51% | 3,730,584 | 122.44M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.06% | 5,114,880 | 167.87M | Jun 29, 2026 |
| iShares Trust-iShares Core S&P Mid-Cap ETF | 1.79% | 4,425,288 | 145.24M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 1.49% | 3,694,076 | 121.24M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Value Index Fund | 0.94% | 2,340,669 | 76.82M | Jun 29, 2026 |
| VANGUARD WORLD FUND-Vanguard Information Technology Index Fund | 0.81% | 2,003,757 | 65.76M | Aug 30, 2026 |
| DFA INVESTMENT DIMENSIONS GROUP INC-U.S. Targeted Value Portfolio | 0.60% | 1,495,787 | 49.09M | Jul 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| 2024 GRANTOR RETAINED ANNUITY TRUST OF JAMES J. KIM | Trustee | Stock Gift | Nov 19, 2025 | 1,235,000 |
| 915 INVESTMENTS, L. P. | Beneficial Owner of more than 10% of a Class of Security | Sale | Feb 11, 2026 | 29,595,000 |
| JOHN T. KIM 2024 GRAT #1 | Trustee | Stock Gift | Nov 3, 2025 | 1,194,000 |
| KIM AGNES C | Beneficial Owner of more than 10% of a Class of Security | Conversion of Exercise of derivative security | Jul 19, 2026 | 0 |
| KIM DAVID D | Beneficial Owner of more than 10% of a Class of Security | Purchase | Jul 31, 2025 | 0 |
| KIM JAMES JUNGSUP | Beneficial Owner of more than 10% of a Class of Security | Conversion of Exercise of derivative security | Jul 19, 2026 | 11,187,400 |