As of October 22, 2026, Amkor Technology had a market cap of $9.685 billion, which decreased by 10.65% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.
Data updated: Oct 22, 2026, 4:00 PM ET
Amkor Technology Inc. (AMKR)
🌍 United States📈 NASDAQ🏭 Technology🏢 Semiconductors
Note: Each point on the chart represents the market capitalization at the end of the trading day. Source: Data compiled from
EDGAR filings,
Bloomberg
and Yahoo Finance.
📈 Amkor Technology Market Cap History by Year and Month
Amkor Technology Market Cap History by Year and Month
Year / Month
Market Cap
% Change
2026
$9.685B
▼ 0.76%
$9.685B
▼ 25.44%
$12.99B
▲ 10.74%
$11.73B
▼ 5.17%
$12.37B
▼ 42.12%
$21.37B
▲ 23.96%
$17.24B
▼ 0.29%
$17.29B
▲ 55.21%
$11.14B
▼ 5.83%
$11.83B
▼ 1.00%
$11.95B
▲ 22.45%
2025
$9.759B
▲ 54.00%
$9.759B
▲ 8.49%
$8.995B
▲ 12.73%
$7.979B
▲ 13.68%
$7.019B
▲ 17.41%
$5.978B
▲ 7.21%
$5.576B
▲ 7.52%
$5.186B
▲ 16.49%
$4.452B
▲ 3.27%
$4.311B
▼ 3.38%
$4.462B
▼ 14.29%
$5.206B
▼ 14.25%
$6.071B
▼ 4.20%
2024
$6.337B
▼ 22.50%
$6.337B
▼ 2.82%
$6.521B
▲ 3.89%
$6.277B
▼ 16.83%
$7.547B
▼ 6.90%
$8.106B
▲ 0.73%
$8.047B
▼ 18.32%
$9.852B
▲ 22.80%
$8.023B
▲ 0.74%
$7.964B
▲ 0.35%
$7.936B
▲ 4.04%
$7.628B
▼ 2.02%
$7.785B
▼ 4.79%
2023
$8.177B
▲ 39.21%
$8.177B
▲ 18.11%
$6.923B
▲ 35.03%
$5.127B
▼ 7.69%
$5.554B
▼ 19.17%
$6.871B
▼ 3.88%
$7.148B
▼ 2.20%
$7.309B
▲ 20.08%
$6.087B
▲ 10.77%
$5.495B
▼ 13.99%
$6.389B
▲ 1.12%
$6.318B
▼ 11.90%
$7.171B
▲ 22.08%
2022
$5.874B
▼ 3.02%
$5.874B
▼ 14.42%
$6.864B
▲ 34.77%
$5.093B
▲ 22.02%
$4.174B
▼ 15.32%
$4.929B
▼ 0.18%
$4.938B
▲ 19.10%
$4.146B
▼ 17.13%
$5.003B
▲ 8.67%
$4.604B
▼ 13.31%
$5.311B
▼ 4.22%
$5.545B
▲ 3.07%
$5.38B
▼ 11.18%
2021
$6.057B
▲ 65.40%
$6.057B
▲ 14.89%
$5.272B
▼ 1.64%
$5.36B
▼ 12.03%
$6.093B
▼ 9.22%
$6.712B
▲ 11.48%
$6.021B
▲ 4.26%
$5.775B
▲ 12.09%
$5.152B
▲ 4.35%
$4.937B
▼ 14.56%
$5.778B
▼ 0.60%
$5.813B
▲ 54.23%
$3.769B
▲ 2.92%
2020
$3.662B
▲ 17.00%
$3.662B
▲ 2.46%
$3.574B
▲ 24.40%
$2.873B
▲ 6.01%
$2.71B
▼ 7.95%
$2.944B
▼ 10.27%
$3.281B
▲ 10.47%
$2.97B
▲ 16.42%
$2.551B
▲ 7.05%
$2.383B
▲ 26.89%
$1.878B
▼ 25.36%
$2.516B
▼ 7.12%
$2.709B
▼ 13.45%
2019
$3.13B
▲ 99.36%
$3.13B
▲ 7.97%
$2.899B
▼ 2.72%
$2.98B
▲ 36.63%
$2.181B
▲ 4.01%
$2.097B
▼ 5.20%
$2.212B
▲ 23.71%
$1.788B
▲ 15.13%
$1.553B
▼ 28.47%
$2.171B
▲ 6.11%
$2.046B
▼ 2.71%
$2.103B
▲ 9.82%
$1.915B
▲ 21.97%
2018
$1.57B
▼ 34.72%
$1.57B
▼ 4.33%
$1.641B
▼ 4.20%
$1.713B
▼ 3.22%
$1.77B
▼ 15.35%
$2.091B
▲ 0.58%
$2.079B
▲ 1.07%
$2.057B
▼ 5.64%
$2.18B
▲ 9.93%
$1.983B
▼ 18.26%
$2.426B
▲ 0.83%
$2.406B
— 0.00%
$2.406B
▲ 0.04%
2017
$2.405B
▼ 4.11%
$2.405B
▼ 4.90%
$2.529B
▼ 8.63%
$2.768B
▲ 9.67%
$2.524B
▲ 20.13%
$2.101B
▼ 15.32%
$2.481B
▲ 6.21%
$2.336B
▼ 13.80%
$2.71B
▼ 3.76%
$2.816B
▲ 1.77%
$2.767B
▲ 18.00%
$2.345B
▲ 4.41%
$2.246B
▼ 10.45%
2016
$2.508B
▲ 74.05%
$2.508B
▼ 10.75%
$2.81B
▲ 27.55%
$2.203B
▼ 4.63%
$2.31B
▲ 6.94%
$2.16B
▲ 44.68%
$1.493B
▲ 9.46%
$1.364B
▼ 8.95%
$1.498B
▲ 10.55%
$1.355B
▼ 2.94%
$1.396B
▲ 16.24%
$1.201B
▼ 17.63%
$1.458B
▲ 1.18%
2015
$1.441B
▼ 14.23%
$1.441B
▼ 10.72%
$1.614B
▲ 9.35%
$1.476B
▲ 38.72%
$1.064B
▼ 17.00%
$1.282B
▲ 22.45%
$1.047B
▼ 26.06%
$1.416B
▼ 11.78%
$1.605B
▼ 3.83%
$1.669B
▼ 20.22%
$2.092B
▼ 9.40%
$2.309B
▲ 53.22%
$1.507B
▼ 10.30%
2014
$1.68B
▲ 26.51%
$1.68B
▲ 5.86%
$1.587B
▼ 1.37%
$1.609B
▼ 19.11%
$1.989B
▼ 19.34%
$2.466B
▲ 17.54%
$2.098B
▼ 20.56%
$2.641B
▲ 10.41%
$2.392B
▲ 27.17%
$1.881B
▲ 26.50%
$1.487B
▲ 15.27%
$1.29B
▲ 11.69%
$1.155B
▼ 13.03%
2013
$1.328B
▲ 105.57%
$1.328B
▲ 1.61%
$1.307B
▲ 12.96%
$1.157B
▲ 24.81%
$0.927B
▲ 6.06%
$0.874B
▼ 4.90%
$0.919B
▲ 42.48%
$0.645B
▼ 7.19%
$0.695B
▲ 7.09%
$0.649B
▲ 5.87%
$0.613B
▼ 1.45%
$0.622B
▼ 12.27%
$0.709B
▲ 9.75%
2012
$0.646B
▼ 18.23%
$0.646B
— 0.00%
$0.646B
▼ 2.12%
$0.66B
▼ 4.21%
$0.689B
▼ 5.75%
$0.731B
▼ 11.93%
$0.83B
▲ 1.10%
$0.821B
▲ 3.14%
$0.796B
▼ 8.51%
$0.87B
▼ 15.94%
$1.035B
▼ 3.81%
$1.076B
▲ 11.50%
$0.965B
▲ 22.15%
2011
$0.79B
▼ 41.87%
$0.79B
▼ 1.74%
$0.804B
▼ 8.32%
$0.877B
▲ 8.00%
$0.812B
▼ 5.69%
$0.861B
▼ 18.54%
$1.057B
▼ 13.08%
$1.216B
▼ 3.87%
$1.265B
▼ 4.60%
$1.326B
▼ 0.15%
$1.328B
▼ 8.60%
$1.453B
▼ 9.47%
$1.605B
▲ 18.10%
2010
$1.359B
▲ 3.66%
$1.359B
▲ 6.25%
$1.279B
▼ 3.76%
$1.329B
▲ 10.29%
$1.205B
▲ 29.29%
$0.932B
▼ 11.91%
$1.058B
▲ 4.75%
$1.01B
▼ 19.26%
$1.251B
▼ 9.68%
$1.385B
▲ 6.46%
$1.301B
▲ 17.95%
$1.103B
▲ 5.75%
$1.043B
▼ 20.44%
2009
$1.311B
▲ 228.57%
$1.311B
▲ 29.04%
$1.016B
▲ 0.69%
$1.009B
▼ 19.92%
$1.26B
▲ 24.26%
$1.014B
▼ 11.52%
$1.146B
▲ 32.64%
$0.864B
▲ 4.22%
$0.829B
▲ 5.07%
$0.789B
▲ 60.37%
$0.492B
▲ 57.19%
$0.313B
▼ 26.35%
$0.425B
▲ 6.52%
2008
$0.399B
▼ 74.27%
$0.399B
▼ 0.99%
$0.403B
▼ 45.76%
$0.743B
▼ 36.28%
$1.166B
▼ 15.14%
$1.374B
▼ 14.29%
$1.603B
▼ 15.85%
$1.905B
▼ 2.11%
$1.946B
▲ 11.58%
$1.744B
▼ 10.70%
$1.953B
▼ 8.27%
$2.129B
▲ 53.28%
$1.389B
▼ 10.44%
2007
$1.551B
▼ 6.79%
$1.551B
▲ 3.54%
$1.498B
▼ 27.25%
$2.059B
▼ 1.62%
$2.093B
— 0.00%
$2.093B
▼ 6.81%
$2.246B
▼ 20.66%
$2.831B
▲ 10.76%
$2.556B
▲ 1.67%
$2.514B
▲ 13.09%
$2.223B
▲ 8.23%
$2.054B
▲ 9.55%
$1.875B
▲ 12.68%
2006
$1.664B
▲ 68.08%
$1.664B
▼ 8.67%
$1.822B
▲ 48.01%
$1.231B
▲ 34.24%
$0.917B
▼ 9.21%
$1.01B
▼ 8.27%
$1.101B
▼ 34.66%
$1.685B
▲ 0.12%
$1.683B
▼ 21.32%
$2.139B
▲ 39.99%
$1.528B
▼ 2.68%
$1.57B
▲ 57.79%
$0.995B
▲ 0.51%
2005
$0.99B
▼ 15.67%
$0.99B
▼ 9.67%
$1.096B
▲ 17.47%
$0.933B
▲ 21.17%
$0.77B
▼ 14.54%
$0.901B
▲ 9.48%
$0.823B
▲ 2.88%
$0.8B
▲ 27.19%
$0.629B
▲ 10.74%
$0.568B
▼ 16.22%
$0.678B
▼ 11.72%
$0.768B
▼ 1.29%
$0.778B
▼ 33.73%
2004
$1.174B
▼ 62.92%
$1.174B
▲ 21.53%
$0.966B
▲ 10.40%
$0.875B
▲ 36.51%
$0.641B
▼ 4.04%
$0.668B
▼ 6.18%
$0.712B
▼ 50.45%
$1.437B
▼ 19.99%
$1.796B
▲ 27.92%
$1.404B
▼ 45.05%
$2.555B
▼ 4.41%
$2.673B
▼ 11.93%
$3.035B
▼ 4.14%
2003
$3.166B
▲ 302.80%
$3.166B
▼ 2.79%
$3.257B
▲ 3.56%
$3.145B
▲ 32.70%
$2.37B
▼ 19.06%
$2.928B
▲ 19.71%
$2.446B
▲ 11.79%
$2.188B
▲ 18.33%
$1.849B
▲ 47.92%
$1.25B
▲ 46.37%
$0.854B
▲ 8.79%
$0.785B
▼ 2.85%
$0.808B
▲ 2.80%
2002
$0.786B
▼ 69.69%
$0.786B
▼ 34.45%
$1.199B
▲ 106.37%
$0.581B
▲ 47.84%
$0.393B
▲ 6.22%
$0.37B
▼ 42.90%
$0.648B
▼ 36.47%
$1.02B
▼ 58.18%
$2.439B
▼ 26.02%
$3.297B
▼ 9.70%
$3.651B
▲ 60.70%
$2.272B
▼ 22.11%
$2.917B
▲ 12.50%
2001
$2.593B
▲ 9.92%
$2.593B
▲ 3.14%
$2.514B
▲ 25.76%
$1.999B
▲ 17.73%
$1.698B
▼ 35.75%
$2.643B
▼ 10.01%
$2.937B
▼ 12.85%
$3.37B
▲ 13.16%
$2.978B
▼ 10.22%
$3.317B
▲ 33.59%
$2.483B
— 0.00%
$2.483B
▼ 28.26%
$3.461B
▲ 46.71%
2000
$2.359B
▼ 36.26%
$2.359B
▼ 2.64%
$2.423B
▼ 29.17%
$3.421B
▼ 13.74%
$3.966B
▼ 23.45%
$5.181B
▲ 24.10%
$4.175B
▼ 22.12%
$5.361B
▼ 20.99%
$6.785B
▼ 26.87%
$9.278B
▲ 15.31%
$8.046B
▲ 18.25%
$6.804B
▲ 63.56%
$4.16B
▲ 12.40%
1999
$3.701B
▲ 190.50%
$3.701B
▲ 9.85%
$3.369B
▲ 33.74%
$2.519B
▲ 25.20%
$2.012B
▼ 3.45%
$2.084B
▲ 14.63%
$1.818B
▲ 50.00%
$1.212B
▲ 10.79%
$1.094B
▼ 5.12%
$1.153B
▲ 23.85%
$0.931B
▼ 24.80%
$1.238B
▼ 9.17%
$1.363B
▲ 6.99%
1998
$1.274B
▼ 18.80%
$1.274B
▲ 71.24%
$0.744B
▲ 29.39%
$0.575B
— 0.00%
$0.575B
▲ 5.50%
$0.545B
▼ 37.28%
$0.869B
▼ 21.36%
$1.105B
▼ 9.65%
$1.223B
▼ 22.05%
All market cap values reflect closing prices for the period shown.
📊 Amkor Technology Market Cap and Other Industry Peers
Below are selected companies from the Semiconductors sector / subsector:
