Amkor Ownership | Who Owns Amkor?
Amkor Ownership Summary
Amkor is owned by 9.59% institutional investors, 53.84% insiders, and 36.57% retail investors. Vanguard group is the largest institutional shareholder, holding 6.35% of AMKR shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.58% of its assets in Amkor shares.
AMKR Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Amkor | 9.59% | 53.84% | 36.57% |
| Sector | Technology Stocks | 35.26% | 13.26% | 51.48% |
| Idea | Semiconductor Stocks List | 60.61% | 7.19% | 32.20% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 15.70M | 6.35% | $620.00M |
| Blackrock funding, inc. /de | 12.92M | 5.23% | $510.20M |
| Dimensional fund advisors lp | 12.77M | 5.17% | $504.29M |
| Blackrock | 12.14M | 4.93% | $485.71M |
| American century companies | 3.84M | 1.55% | $108.94M |
| Earnest partners | 3.79M | 1.53% | $149.72M |
| State street | 3.43M | 1.39% | $97.31M |
| Lsv asset management | 2.82M | 1.14% | $111.34M |
| Sw investment management | 2.65M | 1.07% | $75.26M |
| Geode capital management | 2.23M | 0.90% | $88.14M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sw investment management | 2.65M | 16.12% | $75.26M |
| Bandera partners | 773.49K | 9.63% | $21.97M |
| Ai-squared management | 98.20K | 4.50% | $3.88M |
| Andar capital management hk | 70.39K | 3.00% | $2.78M |
| Tt asset management | 443.98K | 2.22% | $17.77M |
| Symmetry peak management | 24.70K | 1.74% | $988.49K |
| Katamaran capital llp | 57.96K | 1.73% | $2.29M |
| Soviero asset management, lp | 105.00K | 1.55% | $2.98M |
| 1492 capital management | 69.51K | 1.05% | $2.74M |
| Summerhaven investment management | 38.65K | 0.87% | $1.53M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fisher asset management | 2.10M | 0.03% | 1.41M |
| Norges bank | 1.36M | 0.01% | 1.36M |
| Ubs group | 1.25M | 0.01% | 843.98K |
| Invesco | 1.23M | 0.01% | 703.62K |
| Sg americas securities | 700.05K | 0.04% | 685.11K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 12.14M | 0.01% | -3.07M |
| Driehaus capital management | - | - | -1.46M |
| Lsv asset management | 2.82M | 0.24% | -1.16M |
| Voloridge investment management | - | - | -952.95K |
| Blackrock funding, inc. /de | 12.92M | 0.01% | -911.87K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.36M | 0.01% | 1.36M | $53.70M |
| Ceredex value advisors | 426.05K | 0.28% | 426.05K | $12.10M |
| Picton mahoney asset management | 232.95K | 0.07% | 232.95K | $9.20M |
| Eam investors | 147.02K | 0.65% | 147.02K | $5.80M |
| Gf fund management | 123.31K | 0.08% | 123.31K | $4.87M |
Sold Out
| Holder | Change |
|---|---|
| Mendota financial group | -3.00 |
| Palisade asset management | -6.00 |
| Gps wealth strategies group | -7.00 |
| Wr wealth planners | -10.00 |
| Rfp financial group | -12.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 164 | -59.20% | 23,697,093 | -78.00% | 9 | 0.50% | 84 | -58.21% | 50 | -60.63% |
| Sep 30, 2025 | 164 | -54.82% | 31,374,549 | -72.25% | 12 | 0.61% | 79 | -59.69% | 49 | -58.12% |
| Jun 30, 2025 | 360 | -1.37% | 112,867,181 | 4.33% | 45 | 2.38% | 194 | -8.49% | 116 | 24.73% |
| Mar 31, 2025 | 360 | 3.15% | 108,100,259 | -1.09% | 43 | 2.23% | 207 | 24.70% | 94 | -21.01% |
| Dec 31, 2024 | 344 | -7.03% | 108,887,324 | 3.43% | 44 | 2.42% | 162 | -14.29% | 118 | -2.48% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.90M | 1.58% | 9.42K |
| Pacer US Cash Cows 100 ETF | 3.83M | 1.55% | 5.64K |
| iShares Core S&P Mid-Cap ETF | 3.67M | 1.49% | 390.56K |
| Vanguard US Total Market Shares ETF | 3.52M | 1.42% | 2.74K |
| First Trust SMID Cp Rising Div Achv ETF | 3.48M | 1.41% | 7.46K |
| Vanguard Information Technology ETF | 3.04M | 1.23% | 12.60K |
| DFA US Small Cap Value I | 2.81M | 1.14% | -650.29K |
| Vanguard Small Cap Index | 2.80M | 1.13% | -33.00 |
| BlackRock Equity Dividend Instl | 2.34M | 0.95% | 209.94K |
| Vanguard Small Cap Value Index Inv | 1.80M | 0.73% | -13.98K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 16, 2026 | ROGERS MARK N | EVP & General Counsel | Sell | $222.70K |
| Feb 24, 2026 | Engel Kevin K. | President and CEO | Sell | $609.38K |
| Feb 24, 2026 | Rutten Guillaume Marie Jean | - | Sell | $976.00K |
| Feb 25, 2026 | Haghighi Farshad | Executive Vice President | Sell | $789.01K |
| Feb 17, 2026 | Rutten Guillaume Marie Jean | - | Sell | $458.90K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 10 |
| 2025 Q4 | - | 9 |
| 2025 Q3 | 5 | 5 |
| 2025 Q2 | - | - |
| 2025 Q1 | 5 | 3 |
AMKR Ownership FAQ
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