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Sergey Brin co-founded Google with Larry Page after the pair developed search technology at Stanford, then retained a large founder stake as the company moved into the public markets. [1][2][3]
From Stanford research to Google
Stanford says Brin met Larry Page while pursuing graduate study in computer science and that the two developed the PageRank search technology that became Google. Their research project turned into a company in 1998, with Brin taking a founder role centered on technology and engineering. [1]
Google's history records an early outside-financing milestone in August 1998, when Sun Microsystems co-founder Andy Bechtolsheim wrote Brin and Page a $100,000 check before the company had a bank account. The founders then incorporated Google and moved the young business into a garage office. [2]
Founder ownership at the public-company transition
Google's 2004 registration statement listed Brin as President of Technology and showed him beneficially owning about 38.5 million shares before the initial public offering. That retained founder equity provides the durable economic link between the search company he helped create and the fortune produced by Google's later growth. [3]
The filing also makes the ownership boundary visible: Brin's economic exposure was a large but partial stake in a company with many other shareholders. Google's enterprise value therefore cannot be treated as Brin's personal net worth; his wealth followed the market value of retained founder shares after financing and the public listing broadened ownership. [3]
Sources for background
Sources reviewed Sep 15, 2026.
- Sergey Brin · Stanford University School of Engineering
- How we started and where we are today · Google
- Google Inc. Form S-1 registration statement · U.S. Securities and Exchange Commission · Apr 29, 2004
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