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Corporate Profile
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Stock Quote

  • NASDAQRBCN
  • Market Value ($M)19.35
  • Change ($)(0.03)
  • Change (%)(3.36)
  • Volume121,063
  • Stock Quote ($)0.72
As of April 21, 2017 - Minimum 20 minute delay.

Corporate Profile

Letter to Stockholders February 21, 2017

Letter To Shareholders November 9, 2016


Rubicon Technology is an advanced electronic materials provider that develops and manufactures high quality mono crystalline sapphire products in large volume. Our products enable multiple, high growth end markets including light-emitting diodes (LEDs), radio frequency integrated circuits (RFICs), and blue laser diodes.

We apply our proprietary crystal growth technology to produce very high-quality sapphire in a form that allows for volume production of various sizes and orientations of substrates and windows. We are a vertically-integrated manufacturer with strong capabilities in converting bulk crystal into large diameter, polished windows and lenses at very tight tolerances specific to our customers' specifications.

Click here to view our 2014 Annual Report

Click here to view our 2015 Proxy
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Contact Information

Rubicon Technology, Inc.,
900 East Green Street
Unit A
Bensenville, IL 60106
(847) 295-7000