What Happened to Theranos Inc.?
Theranos Inc. was a privately held health technology company founded by Elizabeth Holmes in 2003, which claimed to have revolutionized blood testing with proprietary technology requiring only small blood volumes. The company's claims were later exposed as fraudulent, leading to its dissolution in 2018 and the criminal conviction of Holmes and former COO Ramesh 'Sunny' Balwani for defrauding investors.
Quick Answer
Theranos Inc., once valued at $9 billion, collapsed after its revolutionary blood-testing technology was revealed to be fraudulent. Founder Elizabeth Holmes and former COO Ramesh 'Sunny' Balwani were convicted of wire fraud and conspiracy. Holmes began an 11-year prison sentence in May 2023, which was reduced by 12 months in March 2026, and Balwani began a nearly 13-year sentence in April 2023. Both were ordered to pay $452 million in restitution, and Holmes' appeals were rejected by the Ninth Circuit in February 2025, though she sought a presidential pardon in late 2025 and early 2026. The company itself dissolved in September 2018.
📊Key Facts
📅Complete Timeline16 events
Theranos Founded
Elizabeth Holmes, at 19, drops out of Stanford University to found Real-Time Cures, later renamed Theranos, aiming to revolutionize blood testing.
Partnership with Walgreens
Theranos partners with Walgreens to offer in-store blood tests, significantly expanding its reach and public profile.
Peak Valuation and Media Hype
Theranos reaches a peak valuation of $9 billion, and Elizabeth Holmes is hailed as the youngest self-made female billionaire, gracing magazine covers.
WSJ Expose Published
The Wall Street Journal publishes John Carreyrou's investigative articles, revealing that Theranos' technology is unreliable and that the company uses traditional machines for most tests.
Walgreens Terminates Partnership
Following regulatory findings of deficiencies, Walgreens officially terminates its partnership with Theranos and closes all Theranos wellness centers.
SEC Charges Filed
The U.S. Securities and Exchange Commission (SEC) charges Elizabeth Holmes and Sunny Balwani with 'massive fraud'. Holmes settles, agreeing to a $500,000 fine and a 10-year ban from public company leadership.
Theranos Dissolves
Unable to find a buyer and facing mounting legal and financial pressures, Theranos Inc. officially ceases operations and begins the process of dissolution.
Holmes Convicted of Investor Fraud
A federal jury finds Elizabeth Holmes guilty on four counts of wire fraud and conspiracy to commit wire fraud against investors. She is acquitted of patient-related fraud.
Balwani Convicted on All Counts
Ramesh 'Sunny' Balwani is found guilty on all 12 counts of fraud and conspiracy against both investors and patients in his separate trial.
Holmes Sentenced to Prison
Elizabeth Holmes is sentenced to 11 years and 3 months in federal prison and ordered to pay $452 million in restitution.
Balwani Sentenced to Prison
Sunny Balwani is sentenced to 12 years and 11 months in federal prison, also with a joint restitution order of $452 million.
Balwani Begins Prison Sentence
After losing appeals to remain free, Sunny Balwani surrenders to begin his nearly 13-year prison sentence at FCI Terminal Island.
Holmes Begins Prison Sentence
Elizabeth Holmes reports to Federal Prison Camp, Bryan, Texas, to begin her 11-year and 3-month sentence.
Appeals Court Upholds Convictions
The U.S. Court of Appeals for the Ninth Circuit rejects appeals from both Holmes and Balwani, affirming their convictions, sentences, and restitution orders.
Holmes Seeks Presidential Pardon
Elizabeth Holmes formally requests an early release (clemency) from federal prison to President Donald Trump, a request that remains under review.
Holmes' Sentence Reduced
Judge Davila reduces Elizabeth Holmes' prison sentence by 12 months, based on revised federal sentencing guidelines.
🔍Deep Dive Analysis
Theranos Inc. was founded in 2003 by Elizabeth Holmes, a Stanford University dropout, with the ambitious goal of revolutionizing blood testing. The company claimed its proprietary 'Edison' device could perform a wide range of tests using only a few drops of blood from a fingerprick, promising faster, cheaper, and more accessible diagnostics. This vision attracted significant investment, raising over $700 million from venture capitalists and private investors, and propelling Theranos to a peak valuation of $9 billion by 2014, making Holmes the youngest self-made female billionaire.
The fraud began to unravel in 2015 when investigative journalist John Carreyrou of The Wall Street Journal published a series of articles questioning the validity of Theranos' technology. These reports, based on interviews with former employees and internal documents, revealed that the company was largely using traditional blood testing machines from other manufacturers and that its Edison devices were unreliable and inaccurate.
Key turning points included regulatory scrutiny from the Centers for Medicare & Medicaid Services (CMS) and the Food and Drug Administration (FDA), which found significant deficiencies in Theranos' labs and practices. In 2016, Walgreens, a major partner that had invested $140 million and hosted Theranos wellness centers, terminated its partnership.
In March 2018, the U.S. Securities and Exchange Commission (SEC) charged Holmes and Balwani with 'massive fraud' for deceiving investors. Holmes settled civil charges, agreeing to pay a $500,000 fine, forfeit millions of shares, and be barred from serving as an officer or director of a public company for ten years. Federal grand juries later indicted Holmes and Balwani on criminal wire fraud charges. Theranos officially ceased operations and dissolved in September 2018.
The legal consequences were severe. Elizabeth Holmes' trial began in August 2021 and concluded in January 2022, with a jury finding her guilty on four counts of defrauding investors, while acquitting her of defrauding patients. In November 2022, Holmes was sentenced to 11 years and 3 months (135 months) in federal prison and ordered to pay $452 million in restitution jointly with Balwani. She reported to Federal Prison Camp, Bryan, Texas, on May 30, 2023.
Ramesh 'Sunny' Balwani, Theranos' former President and COO, was tried separately and convicted on all 12 counts of fraud and conspiracy in July 2022. He was sentenced to 12 years and 11 months (155 months) in prison in December 2022 and began his sentence at FCI Terminal Island in San Pedro, California, on April 20, 2023, after losing appeals to remain free.
As of June 2026, Elizabeth Holmes' legal battles continue. In February 2025, the Ninth Circuit Court of Appeals rejected her arguments and affirmed her conviction, sentence, and restitution obligation. In December 2025, reports emerged that Holmes had begun campaigning for a presidential pardon from President Donald Trump, and she formally requested clemency in January 2026, which remains under review. In March 2026, Judge Davila reduced Holmes' sentence by 12 months, citing revised federal sentencing guidelines. Balwani's appeals were also rejected by the Ninth Circuit in February 2025. The Theranos saga serves as a cautionary tale about unchecked ambition, the dangers of 'fake it till you make it' culture in Silicon Valley, and the critical importance of scientific validation and ethical conduct in healthcare.
What If...?
Explore alternate histories. What if Theranos Inc. made different choices?