Sergey Brin
Sergey Brin is number 3 in the 311 Private Wealth Index, with disclosed holdings in listed companies worth about $244.4bn, mainly in Alphabet Inc.. That is about 1,268,117 times the wealth of a typical US household. 311 Origin: founder. 311 Giving Score: 3 out of 5 (provisional). 311 Future Exposure: high (57/100), driven by technology change in technology (54/100), led by 5G, Artificial Narrow Intelligence, Biometric Sensors; sensitivity to tariffs and export controls; 100% of disclosed wealth in one company.
Part of the 311 Private Wealth Index (311institute.com). Last updated .
Disclosed holdings
| Company | Value | Latest filing | Role |
|---|---|---|---|
| Alphabet Inc. | $244.4bn | 2026-08-07 |
311 Future Exposure: High
Score 57 out of 100: technology 54/100 and trends 60/100. What drives it:
- Technology change in technology (54/100), led by 5G, Artificial Narrow Intelligence, Biometric Sensors
- Sensitivity to tariffs and export controls
- 100% of disclosed wealth in one company
Technology exposure uses the 311 Starburst: how strongly each emerging technology affects this industry, weighted by how soon it reaches widespread use. Trend exposure covers tariffs and export controls, international sanctions, concentration of wealth. Evidence on company-specific trends is being added. Explore the Starburst.
Giving
The Sergey Brin Family Foundation reported grants of $1,750m across the 7 years of filings available, and assets worth $4,070m at market value at the end of 2023, together 2.38% of the disclosed wealth above. Source: US foundation tax filings via ProPublica.
How this figure is calculated
Shares disclosed in SEC insider filings, valued at the latest price disclosed in those filings. Private companies, cash, property and holdings listed outside the United States are not included, so this is a minimum, not total wealth. The household comparison uses $192,700, the median US household wealth in the Federal Reserve Survey of Consumer Finances (2022, the latest published).
Related
- Innovation profile of Mountain View
- United States: economy and key statistics
- The 311 Titans Index
- All 311 Indexes
Questions and answers
What is Sergey Brin's net worth?
Sergey Brin has disclosed holdings in listed companies worth about $244.4bn, according to the 311 Private Wealth Index. This is a minimum: private companies, cash and property are not included.
How much are Sergey Brin's disclosed holdings worth?
About $244.4bn in listed companies, according to the 311 Private Wealth Index.
Where does Sergey Brin's wealth come from?
Mainly from holdings in Alphabet Inc..
Source: SEC insider filings.
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