Rubicon Technology - Stock Price History | RBCN

Historical daily share price chart and data for Rubicon Technology since 2021 adjusted for splits. The latest closing stock price for Rubicon Technology as of July 30, 2021 is 9.40.
  • The all-time high Rubicon Technology stock closing price was 347.60 on July 26, 2010.
  • The Rubicon Technology 52-week high stock price is 11.92, which is 26.8% above the current share price.
  • The Rubicon Technology 52-week low stock price is 7.87, which is 16.3% below the current share price.
  • The average Rubicon Technology stock price for the last 52 weeks is 9.48.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Rubicon Technology Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2020 8.3587 8.7035 9.5600 7.2500 9.0500 8.77%
2019 8.4063 8.2500 9.5800 7.6000 8.3200 5.32%
2018 7.8616 7.8800 9.2500 6.7700 7.9000 -1.00%
2017 7.7214 5.5010 10.1000 4.9500 7.9800 33.00%
2016 7.0527 17.3000 17.3000 4.7260 6.0000 -47.37%
2015 25.4607 44.1000 46.6000 8.6000 11.4000 -75.05%
2014 79.8968 106.4000 144.9000 38.4000 45.7000 -54.07%
2013 83.1616 64.9000 132.1000 49.2000 99.5000 62.85%
2012 93.7621 97.1000 132.1000 60.1000 61.1000 -34.93%
2011 174.4130 216.4000 289.7000 82.5000 93.9000 -55.46%
2010 236.9014 200.9000 347.6000 146.9000 210.8000 3.79%
2009 110.5020 42.7000 218.0000 35.0000 203.1000 376.76%
2008 166.3994 219.7000 326.5000 26.8000 42.6000 -82.06%
2007 191.7222 175.0000 242.3000 175.0000 237.5000 0.00%
Sector Industry Market Cap Revenue
Computer and Technology Semiconductors $0.023B $0.004B
Rubicon Technology, Inc. is a vertically integrated advanced electronic materials provider specializing in monocrystalline sapphire for applications in light-emitting diodes, optical systems and specialty electronic devices. Rubicon has a proprietary technology platform and expertise extending from the preparation of raw aluminum oxide through sapphire crystal growth and fabrication to large-diameter polished sapphire wafers and patterned sapphire substrates, enabling Rubicon to supply custom sapphire products with superior quality and precision. Rubicon is ISO 9001 certified and ITAR registered.
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