Amkor Ownership | Who Owns Amkor?
Amkor Ownership Summary
Amkor is owned by 47.87% institutional investors, 49.91% insiders, and 2.21% 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 2.06% of its assets in Amkor shares.
AMKR Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Amkor | 47.87% | 49.91% | 2.21% |
| Sector | Technology Stocks | 53.74% | 14.92% | 31.34% |
| Idea | Semiconductor Stocks List | 73.13% | 6.84% | 20.03% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 15.70M | 6.35% | $620.00M |
| Blackrock funding, inc. /de | 12.29M | 4.97% | $1.06B |
| Blackrock | 12.14M | 4.93% | $485.71M |
| Dimensional fund advisors lp | 8.06M | 3.26% | $695.29M |
| Vanguard capital management | 6.70M | 2.71% | $577.83M |
| Jpmorgan chase | 5.70M | 2.30% | $470.03M |
| State street | 3.73M | 1.51% | $321.69M |
| Aqr capital management | 3.23M | 1.31% | $273.84M |
| Earnest partners | 2.85M | 1.15% | $245.97M |
| Geode capital management | 2.80M | 1.13% | $241.33M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Bandera partners | 693.52K | 11.00% | $31.23M |
| Light street capital management | 596.78K | 5.70% | $51.46M |
| Diker management | 60.00K | 3.98% | $5.17M |
| Berkshire capital | 161.80K | 3.02% | $13.95M |
| Anglepoint asset management | 47.01K | 2.63% | $4.05M |
| Riposte capital | 120.00K | 2.30% | $10.35M |
| Tt asset management | 443.98K | 2.22% | $17.77M |
| Totem point management | 36.20K | 1.91% | $3.12M |
| Symmetry peak management | 24.70K | 1.74% | $988.49K |
| Summerhaven investment management | 36.42K | 1.68% | $3.14M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sixth street partners management company | 1.83M | 0.02% | 1.83M |
| Clal insurance enterprises | 1.76M | 0.68% | 1.76M |
| Norges bank | 1.48M | 0.01% | 1.48M |
| Vanguard capital management | 6.70M | 0.01% | 1.27M |
| Tcw group | 1.03M | 0.60% | 971.06K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 12.14M | 0.01% | -3.07M |
| Dimensional fund advisors lp | 8.06M | 0.13% | -2.93M |
| Discovery capital management, llc / ct | - | - | -2.61M |
| Jane street group | 307.69K | 0.00% | -2.02M |
| American century companies | 1.06M | 0.04% | -1.66M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sixth street partners management company | 1.83M | 0.02% | 1.83M | $158.02M |
| Clal insurance enterprises | 1.76M | 0.68% | 1.76M | $152.11M |
| Norges bank | 1.48M | 0.01% | 1.48M | $127.38M |
| Curated wealth partners | 744.66K | 0.10% | 744.66K | $744.66K |
| Bank of nova scotia | 675.78K | 0.09% | 675.78K | $58.27M |
Sold Out
| Holder | Change |
|---|---|
| Mendota financial group | -3.00 |
| Palisade asset management | -6.00 |
| Gps wealth strategies group | -7.00 |
| Curio wealth | -9.00 |
| Wr wealth planners | -10.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 679 | 21.03% | 118,511,854 | -2.34% | 47 | 1.99% | 392 | 20.62% | 193 | 32.19% |
| Mar 31, 2026 | 291 | -38.87% | 46,642,247 | -58.95% | 18 | 0.89% | 166 | -33.06% | 78 | -50.63% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 5.12M | 2.06% | 1.18M |
| Vanguard Morn Total Stk Mkt Idx Investor | 5.12M | 2.06% | 1.18M |
| iShares Core S&P Mid-Cap ETF | 3.92M | 1.58% | 120.00 |
| Pacer US Cash Cows 100 ETF | 3.83M | 1.55% | 5.64K |
| Vanguard Small Cap Index | 3.70M | 1.49% | 848.29K |
| 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 |
| BlackRock Equity Dividend Instl | 2.34M | 0.95% | 209.94K |
| Vanguard Small Cap Value Index Inv | 2.35M | 0.95% | 512.37K |
| Vanguard Morn Small Cap Value Index | 2.35M | 0.94% | 512.37K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 17, 2026 | ROGERS MARK N | EVP & General Counsel | Sell | $298.90K |
| Aug 11, 2026 | Faust Megan | CFO | Sell | $54.45K |
| Aug 07, 2026 | ALEXANDER DOUGLAS A | - | Sell | $279.05K |
| Aug 06, 2026 | Rutten Guillaume Marie Jean | - | Sell | $1.36M |
| Aug 05, 2026 | Rutten Guillaume Marie Jean | - | Sell | $1.38M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 8 |
| 2026 Q2 | - | 11 |
| 2026 Q1 | - | 11 |
| 2025 Q4 | - | 9 |
| 2025 Q3 | 5 | 5 |
AMKR Ownership FAQ
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