As of October 22, 2026, Rambus had a market cap of $9.3 billion, which decreased by 7.65% 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
Rambus, Inc. (RMBS)
🌍 United States📈 NASDAQ🏭 Information 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.
📈 Rambus Market Cap History by Year and Month
Rambus Market Cap History by Year and Month
Year / Month
Market Cap
% Change
2026
$9.3B
▼ 5.98%
$9.3B
▼ 19.69%
$11.58B
▲ 23.15%
$9.403B
▼ 4.76%
$9.873B
▼ 31.20%
$14.35B
▼ 8.77%
$15.73B
▲ 26.35%
$12.45B
▲ 34.26%
$9.273B
▼ 13.66%
$10.74B
▼ 12.33%
$12.25B
▲ 23.84%
2025
$9.892B
▲ 75.14%
$9.892B
▼ 3.87%
$10.29B
▼ 7.05%
$11.07B
▼ 1.26%
$11.211B
▲ 41.25%
$7.937B
▼ 0.21%
$7.954B
▲ 15.48%
$6.888B
▲ 19.94%
$5.743B
▲ 9.58%
$5.241B
▼ 5.75%
$5.561B
▼ 7.39%
$6.005B
▼ 8.81%
$6.585B
▲ 16.59%
2024
$5.648B
▼ 23.03%
$5.648B
▼ 8.33%
$6.161B
▲ 20.88%
$5.097B
▲ 13.27%
$4.5B
▼ 6.54%
$4.815B
▼ 13.07%
$5.539B
▼ 12.54%
$6.333B
▲ 6.33%
$5.956B
▲ 0.81%
$5.908B
▼ 11.97%
$6.711B
▲ 4.34%
$6.432B
▼ 13.01%
$7.394B
▲ 0.76%
2023
$7.338B
▲ 90.60%
$7.338B
▲ 0.87%
$7.275B
▲ 24.55%
$5.841B
▼ 4.06%
$6.088B
▼ 1.22%
$6.163B
▼ 9.81%
$6.833B
▼ 2.43%
$7.003B
▲ 0.59%
$6.962B
▲ 44.26%
$4.826B
▼ 13.51%
$5.58B
▲ 16.98%
$4.77B
▲ 9.28%
$4.365B
▲ 13.38%
2022
$3.85B
▲ 19.86%
$3.85B
▼ 6.67%
$4.125B
▲ 27.24%
$3.242B
▲ 18.67%
$2.732B
▼ 4.17%
$2.851B
▲ 2.04%
$2.794B
▲ 17.64%
$2.375B
▼ 14.17%
$2.767B
▲ 0.76%
$2.746B
▼ 21.90%
$3.516B
▲ 19.11%
$2.952B
▲ 6.96%
$2.76B
▼ 14.07%
2021
$3.212B
▲ 64.72%
$3.212B
▲ 9.18%
$2.942B
▲ 15.60%
$2.545B
▲ 4.82%
$2.428B
▼ 6.33%
$2.592B
▲ 0.58%
$2.577B
▼ 0.19%
$2.582B
▲ 17.31%
$2.201B
▲ 3.09%
$2.135B
▼ 2.38%
$2.187B
▼ 6.70%
$2.344B
▲ 10.46%
$2.122B
▲ 8.82%
2020
$1.95B
▲ 26.21%
$1.95B
▲ 8.88%
$1.791B
▲ 14.00%
$1.571B
▲ 0.71%
$1.56B
▲ 2.09%
$1.528B
▼ 8.99%
$1.679B
▼ 2.89%
$1.729B
▼ 1.76%
$1.76B
▲ 24.03%
$1.419B
▲ 12.89%
$1.257B
▼ 20.59%
$1.583B
▼ 11.27%
$1.784B
▲ 15.47%
2019
$1.545B
▲ 84.81%
$1.545B
▲ 6.19%
$1.455B
▼ 5.76%
$1.544B
▲ 5.54%
$1.463B
▲ 4.95%
$1.394B
▲ 0.65%
$1.385B
▲ 4.21%
$1.329B
▲ 5.98%
$1.254B
▼ 0.87%
$1.265B
▲ 10.00%
$1.15B
▲ 1.77%
$1.13B
▲ 14.84%
$0.984B
▲ 17.70%
2018
$0.836B
▼ 46.44%
$0.836B
▼ 11.63%
$0.946B
▲ 0.11%
$0.945B
▼ 19.30%
$1.171B
▼ 10.75%
$1.312B
▼ 1.13%
$1.327B
▼ 1.56%
$1.348B
▼ 6.84%
$1.447B
▼ 0.28%
$1.451B
▼ 2.22%
$1.484B
▲ 5.62%
$1.405B
▲ 1.30%
$1.387B
▼ 11.15%
2017
$1.561B
▲ 2.63%
$1.561B
▼ 3.94%
$1.625B
▲ 0.62%
$1.615B
▲ 10.69%
$1.459B
▲ 2.96%
$1.417B
▲ 0.57%
$1.409B
▲ 12.81%
$1.249B
▼ 5.59%
$1.323B
▼ 5.43%
$1.399B
▼ 4.70%
$1.468B
▲ 4.71%
$1.402B
▼ 2.84%
$1.443B
▼ 5.13%
2016
$1.521B
▲ 20.05%
$1.521B
▲ 4.75%
$1.452B
▲ 7.88%
$1.346B
▼ 2.53%
$1.381B
▼ 9.08%
$1.519B
▲ 2.22%
$1.486B
▲ 11.90%
$1.328B
▼ 0.30%
$1.332B
▲ 4.14%
$1.279B
▼ 15.52%
$1.514B
▲ 5.73%
$1.432B
▲ 6.87%
$1.34B
▲ 5.76%
2015
$1.267B
▼ 0.78%
$1.267B
▼ 8.85%
$1.39B
▲ 15.54%
$1.203B
▼ 12.51%
$1.375B
▼ 12.03%
$1.563B
▲ 2.63%
$1.523B
▼ 9.67%
$1.686B
▼ 4.53%
$1.766B
▲ 10.51%
$1.598B
▲ 10.06%
$1.452B
▲ 4.84%
$1.385B
▲ 6.87%
$1.296B
▲ 1.49%
2014
$1.277B
▲ 18.90%
$1.277B
▼ 6.10%
$1.36B
▲ 3.50%
$1.314B
▼ 8.24%
$1.432B
▲ 0.92%
$1.419B
▲ 7.74%
$1.317B
▼ 19.50%
$1.636B
▲ 18.90%
$1.376B
▲ 0.07%
$1.375B
▲ 12.43%
$1.223B
▲ 16.70%
$1.048B
▲ 3.66%
$1.011B
▼ 5.87%
2013
$1.074B
▲ 97.79%
$1.074B
▲ 10.95%
$0.968B
▼ 1.73%
$0.985B
▼ 6.99%
$1.059B
▲ 15.36%
$0.918B
▼ 16.24%
$1.096B
▲ 14.29%
$0.959B
▲ 8.98%
$0.88B
▲ 13.26%
$0.777B
▲ 24.12%
$0.626B
▼ 0.63%
$0.63B
▲ 3.45%
$0.609B
▲ 12.15%
2012
$0.543B
▼ 34.58%
$0.543B
▲ 0.18%
$0.542B
▲ 0.93%
$0.537B
▼ 12.40%
$0.613B
▲ 29.32%
$0.474B
▲ 1.94%
$0.465B
▼ 26.66%
$0.634B
▲ 19.40%
$0.531B
▼ 5.52%
$0.562B
▼ 21.07%
$0.712B
▼ 8.83%
$0.781B
▼ 2.86%
$0.804B
▼ 3.13%
2011
$0.83B
▼ 60.53%
$0.83B
▼ 5.36%
$0.877B
▼ 54.93%
$1.946B
▲ 26.45%
$1.539B
▲ 15.89%
$1.328B
▼ 16.37%
$1.588B
▼ 5.42%
$1.679B
▲ 6.87%
$1.571B
▼ 26.76%
$2.145B
▲ 0.75%
$2.129B
▼ 3.80%
$2.213B
▲ 0.50%
$2.202B
▲ 4.71%
2010
$2.103B
▼ 18.65%
$2.103B
▼ 5.95%
$2.236B
▲ 1.36%
$2.206B
▼ 5.24%
$2.328B
▲ 16.57%
$1.997B
▼ 9.27%
$2.201B
▲ 12.12%
$1.963B
▼ 26.92%
$2.686B
▼ 2.86%
$2.765B
▲ 10.47%
$2.503B
▼ 0.44%
$2.514B
▼ 0.91%
$2.537B
▼ 1.86%
2009
$2.585B
▲ 56.48%
$2.585B
▲ 37.57%
$1.879B
▲ 11.38%
$1.687B
▼ 8.02%
$1.834B
▼ 8.48%
$2.004B
▲ 12.84%
$1.776B
▲ 9.43%
$1.623B
▲ 20.22%
$1.35B
▲ 7.83%
$1.252B
▲ 26.85%
$0.987B
▲ 11.02%
$0.889B
▼ 5.43%
$0.94B
▼ 43.10%
2008
$1.652B
▼ 25.08%
$1.652B
▲ 52.96%
$1.08B
▲ 12.62%
$0.959B
▼ 28.80%
$1.347B
▼ 27.07%
$1.847B
▲ 6.21%
$1.739B
▼ 13.18%
$2.003B
▼ 7.18%
$2.158B
▼ 10.01%
$2.398B
▼ 1.48%
$2.434B
▲ 28.17%
$1.899B
▼ 7.37%
$2.05B
▼ 7.03%
2007
$2.205B
▲ 12.21%
$2.205B
▲ 9.54%
$2.013B
▼ 2.04%
$2.055B
▲ 3.58%
$1.984B
▲ 26.69%
$1.566B
▲ 11.62%
$1.403B
▼ 24.85%
$1.867B
▼ 4.74%
$1.96B
▼ 4.72%
$2.057B
▼ 6.75%
$2.206B
▲ 6.67%
$2.068B
▲ 7.15%
$1.93B
▼ 1.78%
2006
$1.965B
▲ 21.30%
$1.965B
▼ 15.12%
$2.315B
▲ 34.67%
$1.719B
▼ 5.08%
$1.811B
▲ 9.89%
$1.648B
▼ 9.95%
$1.83B
▼ 22.72%
$2.368B
▼ 5.01%
$2.493B
▼ 37.52%
$3.99B
▼ 1.07%
$4.033B
▲ 28.73%
$3.133B
▲ 6.17%
$2.951B
▲ 82.16%
2005
$1.62B
▼ 31.59%
$1.62B
▼ 3.57%
$1.68B
▲ 31.66%
$1.276B
▲ 5.45%
$1.21B
▲ 15.57%
$1.047B
▼ 20.26%
$1.313B
▼ 1.80%
$1.337B
▼ 12.39%
$1.526B
▲ 7.84%
$1.415B
▼ 5.48%
$1.497B
▼ 13.97%
$1.74B
▼ 2.63%
$1.787B
▼ 24.54%
2004
$2.368B
▼ 22.21%
$2.368B
▲ 0.68%
$2.352B
▲ 34.55%
$1.748B
▲ 9.52%
$1.596B
▲ 22.02%
$1.308B
▼ 23.64%
$1.713B
▼ 5.31%
$1.809B
▼ 9.05%
$1.989B
▲ 4.52%
$1.903B
▼ 33.53%
$2.863B
▼ 12.04%
$3.255B
▲ 5.34%
$3.09B
▲ 1.51%
2003
$3.044B
▲ 365.44%
$3.044B
▲ 3.68%
$2.936B
▲ 21.02%
$2.426B
▲ 47.84%
$1.641B
▲ 0.49%
$1.633B
▼ 7.11%
$1.758B
▲ 8.79%
$1.616B
▼ 6.86%
$1.735B
▲ 25.18%
$1.386B
▲ 8.37%
$1.279B
▼ 13.64%
$1.481B
▼ 2.05%
$1.512B
▲ 131.19%
2002
$0.654B
▼ 18.35%
$0.654B
▼ 27.17%
$0.898B
▲ 65.07%
$0.544B
▲ 28.91%
$0.422B
▼ 21.42%
$0.537B
▲ 5.50%
$0.509B
▲ 24.75%
$0.408B
▼ 38.55%
$0.664B
▼ 0.45%
$0.667B
▼ 14.60%
$0.781B
▲ 13.68%
$0.687B
▼ 4.58%
$0.72B
▼ 10.11%
2001
$0.801B
▼ 77.29%
$0.801B
▼ 6.86%
$0.86B
▲ 5.26%
$0.817B
▲ 11.46%
$0.733B
▲ 18.04%
$0.621B
▼ 20.49%
$0.781B
▼ 36.14%
$1.223B
▲ 11.89%
$1.093B
▼ 35.29%
$1.689B
▼ 16.47%
$2.022B
▼ 45.96%
$3.742B
▼ 22.80%
$4.847B
▲ 37.43%
2000
$3.527B
▲ 119.89%
$3.527B
▼ 5.87%
$3.747B
▼ 14.61%
$4.388B
▼ 42.48%
$7.628B
▼ 3.36%
$7.893B
▲ 11.42%
$7.084B
▼ 28.83%
$9.953B
▲ 135.91%
$4.219B
▼ 23.36%
$5.505B
▼ 21.90%
$7.049B
▼ 1.77%
$7.176B
▲ 300.22%
$1.793B
▲ 11.78%
1999
$1.604B
▼ 27.88%
$1.604B
▼ 4.47%
$1.679B
▲ 4.74%
$1.603B
▲ 2.10%
$1.57B
▼ 31.26%
$2.284B
▲ 8.92%
$2.097B
▼ 3.41%
$2.171B
▲ 20.14%
$1.807B
▲ 28.89%
$1.402B
▼ 6.60%
$1.501B
▼ 10.65%
$1.68B
▼ 3.23%
$1.736B
▼ 21.94%
1998
$2.224B
▲ 115.09%
$2.224B
▲ 8.70%
$2.046B
▲ 36.49%
$1.499B
▲ 2.18%
$1.467B
▲ 34.34%
$1.092B
▼ 16.13%
$1.302B
▼ 6.87%
$1.398B
▲ 59.41%
$0.877B
▼ 14.02%
$1.02B
▲ 2.72%
$0.993B
▼ 1.78%
$1.011B
▲ 2.22%
$0.989B
▼ 4.35%
1997
$1.034B
▼ 0.19%
$1.034B
▼ 16.95%
$1.245B
▲ 12.16%
$1.11B
▼ 10.56%
$1.241B
▼ 29.97%
$1.772B
▲ 43.95%
$1.231B
▲ 18.82%
$1.036B
— 0.00%
All market cap values reflect closing prices for the period shown.
📊 Rambus Market Cap and Other Industry Peers
Below are selected companies from the Semiconductors sector / subsector:
