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September 12, 2026Short & citedBlog
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Money & Work • Startup

Theranos

Theranos Inc.

Updated September 12, 20261 min readCited sources

Theranos Inc. was a U.S. health technology company that claimed to revolutionize blood testing. Its promises were later found to be false, leading to its collapse and a major fraud scandal.

What Theranos was

Founded in 2003 by Elizabeth Holmes, a Stanford dropout, Theranos raised over $700 million and reached a peak valuation of $9 billion. It claimed its proprietary devices could run many medical tests from just a few drops of blood, promising faster and cheaper diagnostics.

What went wrong

Investigations by journalists and regulators revealed that the company's technology did not work as advertised. Many tests were performed on standard machines, not Theranos devices. The company faced legal action, shut down in 2018, and was dissolved.

Why it still matters

Theranos became a cautionary tale about startup hype, weak oversight, and unverified health-tech claims. It is frequently cited in business and regulatory discussions in Canada and abroad as a major case of corporate fraud.

In short

  • Founded by Elizabeth Holmes in 2003
  • Claimed to run many tests on a few drops of blood
  • Raised $700M but was later found fraudulent
  • Shut down in 2018; Holmes convicted
Canadian angle

Theranos is relevant to Canadian readers as a major international case involving startup hype, medical technology regulation, investor due diligence, and corporate fraud. It is often used in business and health-policy discussions in Canada.

Quick questions

What was Theranos?
Theranos was a privately held American health technology company that claimed to revolutionize blood testing using tiny blood samples.
Who founded Theranos?
Elizabeth Holmes founded Theranos in 2003.
Why did Theranos collapse?
Its technology claims were found false, leading to regulatory action, fraud allegations, and eventual shutdown in 2018.

Sources

  1. Wikipediahttps://en.wikipedia.org/wiki/Theranos
    Supports: Founding date, founder, headquarters, peak valuation, defunct status, and dissolution details.
  2. Encyclopaedia Britannicahttps://www.britannica.com/topic/Theranos-Inc
    Supports: Company description, founding by Elizabeth Holmes, and false claims about diagnostic technology.
  3. EBSCO Research Startershttps://www.ebsco.com/research-starters/technology/theranos
    Supports: Business history, funding, peak valuation, legal challenges, and shutdown.
  4. Reutershttps://www.reuters.com/world/us/rise-fall-theranos-founder-elizabeth-holmes-2022-01-04/
    Supports: Holmes conviction and details of the fraud case.
  5. Business Insiderhttps://www.businessinsider.com/the-history-of-silicon-valley-unicorn-theranos-and-ceo-elizabeth-holmes-2018-5
    Supports: Holmes stepping down, fraud charges, and company shutdown timing.
  6. Harvard Business Schoolhttps://www.hbs.edu/faculty/Pages/item.aspx?num=55762
    Supports: Startup history, investor funding, Walgreens/Safeway contracts, and claims about proprietary testing technology.