As of March 2015, Theranos is a private company and does not have a public stock symbol. The medical technology company has a partnership with the public company, Walgreens, which has a stock symbol of WAG on Nasdaq.
Theranos is headquartered in Palo Alto, California, and was founded by Elizabeth Holmes in 2003. It provides medical testing of blood and urine using small drops, which are collected through a finger stick. The company also provides mobile applications and websites to health care professionals and their patients. Through its partnership with Walgreens, Theranos provides its testing and services at Wellness Centers located within the store.