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Amkor Technology (AMKR)
NASDAQ
$50.44+$0.18 (+0.36%)
Price as of Aug 21, 2026 7:59 PM EDT- $12.6BMarket Cap
- 110.42%1-Year Change
- Semiconductor Equipment & MaterialsIndustry
Amkor Technology (AMKR)
$50.44+$0.18 (+0.36%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD GROUP INC | 6.32% | 15.7M | -75,675 (-0.48%) | Dec 31, 2025 |
BLACKROCK, INC. | 4.95% | 12.3M | -676,005 (-5.50%) | Jun 30, 2026 |
BLACKROCK INC. | 4.88% | 12.1M | -3.1M (-25.27%) | Jun 30, 2024 |
BLACKROCK FUNDING, INC. /DE | 4.38% | 10.9M | -536,322 (-4.93%) | Dec 31, 2024 |
N/A | 3.91% | 9.7M | +616,705 (+6.35%) | Jun 30, 2026 |
VANGUARD PORTFOLIO MANAGEMENT LLC | 3.91% | 9.7M | +616,705 (+6.35%) | Jun 30, 2026 |
DIMENSIONAL FUND ADVISORS LP | 3.25% | 8.1M | -2.9M (-36.30%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 3.97% | 9.9M | +134,814 (+1.37%) | Mar 31, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 1.97% | 4.9M | -1.2M (-25.45%) | Apr 30, 2026 |
Dimensional ETF Trust | 1.49% | 3.7M | +108,221 (+2.93%) | Apr 30, 2026 |
BLACKROCK EQUITY DIVIDEND FUND | 0.94% | 2.3M | 0 (0.00%) | Apr 30, 2026 |
VANGUARD WORLD FUND | 0.87% | 2.2M | -962,985 (-44.60%) | May 31, 2026 |
INVESCO EXCHANGE-TRADED FUND TRUST | 0.66% | 1.6M | +815,172 (+50.08%) | Apr 30, 2026 |
SCHWAB STRATEGIC TRUST | 0.63% | 1.6M | -151,470 (-9.67%) | May 31, 2026 |
Current Ownership Distribution
- Institutions2.0B (69.15%)
- Mutual Funds737.8M (25.53%)
- Insiders153.6M (5.32%)
- Other0 (0.00%)
Insider Transactions
- 5.32% (153.6M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 6Number of InsiderSelling (last 12 months)
- $97.0MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
ROGERS MARK N EVP & General Counsel | Exempt | Aug 17, 2026 | $0.00 | 5,000 | $0.00 | 70,000 |
ROGERS MARK N EVP & General Counsel | Exempt | Aug 17, 2026 | $37,000.00 | 5,000 | $7.40 | 43,904 |
ROGERS MARK N EVP & General Counsel | Sell | Aug 17, 2026 | $298,900.00 | 5,000 | $59.78 | 38,904 |
Faust Megan CFO | Sell | Aug 11, 2026 | $54,450.00 | 1,000 | $54.45 | 135,105 |
ALEXANDER DOUGLAS A | Exempt | Aug 07, 2026 | $0.00 | 5,000 | $0.00 | 14,657 |
ALEXANDER DOUGLAS A | Exempt | Aug 07, 2026 | $42,550.00 | 5,000 | $8.51 | 34,109 |
ALEXANDER DOUGLAS A | Sell | Aug 07, 2026 | $279,050.00 | 5,000 | $55.81 | 29,109 |
Rutten Guillaume Marie Jean | Sell | Aug 06, 2026 | $1.4M | 25,000 | $54.50 | 461,732 |
Rutten Guillaume Marie Jean | Sell | Aug 05, 2026 | $1.4M | 25,000 | $55.35 | 486,732 |
Engel Kevin President and CEO | Sell | Jul 30, 2026 | $151,387.00 | 3,221 | $47.00 | 9,666 |
KIM JAMES J | Exempt | Jul 20, 2026 | $0.00 | 200,000 | $0.00 | 0 |
KIM AGNES C | Exempt | Jul 20, 2026 | $2.0M | 200,000 | $9.86 | 10.9M |
KIM JAMES J | Exempt | Jul 20, 2026 | $0.00 | 250,000 | $0.00 | 0 |
KIM AGNES C | Exempt | Jul 20, 2026 | $2.4M | 250,000 | $9.48 | 11.2M |
KIM JAMES J | Exempt | Jul 20, 2026 | $2.0M | 200,000 | $9.86 | 261,645 |
KIM JAMES J | Exempt | Jul 20, 2026 | $2.4M | 250,000 | $9.48 | 511,645 |
ROGERS MARK N EVP & General Counsel | Exempt | Jul 16, 2026 | $0.00 | 5,000 | $0.00 | 75,000 |
ROGERS MARK N EVP & General Counsel | Exempt | Jul 16, 2026 | $37,000.00 | 5,000 | $7.40 | 43,904 |
ROGERS MARK N EVP & General Counsel | Sell | Jul 16, 2026 | $325,600.00 | 5,000 | $65.12 | 38,904 |
Faust Megan CFO | Sell | Jul 14, 2026 | $69,910.00 | 1,000 | $69.91 | 136,105 |
Faust Megan CFO | Exempt | Jun 30, 2026 | $0.00 | 8,692 | $0.00 | 0 |
Rutten Guillaume Marie Jean | Exempt | Jun 30, 2026 | $0.00 | 8,692 | $0.00 | 0 |
Engel Kevin President and CEO | Exempt | Jun 30, 2026 | $0.00 | 8,692 | $0.00 | 0 |
Rutten Guillaume Marie Jean | Exempt | Jun 30, 2026 | $0.00 | 8,692 | $0.00 | 511,732 |
Faust Megan CFO | Exempt | Jun 30, 2026 | $0.00 | 8,692 | $0.00 | 140,830 |
Engel Kevin President and CEO | Exempt | Jun 30, 2026 | $0.00 | 8,692 | $0.00 | 16,612 |
Faust Megan CFO | In Kind | Jun 30, 2026 | $321,206.75 | 3,725 | $86.23 | 137,105 |
Engel Kevin President and CEO | In Kind | Jun 30, 2026 | $321,206.75 | 3,725 | $86.23 | 12,887 |
McCourt MaryFrances | Award | Jun 23, 2026 | $0.00 | 8 | $0.00 | 8,904 |
Morse Robert Randolph | Award | Jun 23, 2026 | $0.00 | 8 | $0.00 | 8,904 |