Unicorns in Boston
6 private companies from Boston valued at $1bn or more, worth $39.9bn combined. 1 are AI companies.
- 1WHOOPWearable technology. Valued at $10.1bn (March 2026).$10.1bn
- 2OutSystemsSoftware development. Valued at $9.5bn (February 2021).$9.5bn
- 3SnykSnyk (pronounced sneak) is a developer-first platform for securing code, dependencies, containers, and infrastructure as code.$8.5bn
- 4DataRobotArtificial intelligence. Valued at $6.3bn (July 2021).$6.3bn
- 5Starburst DataData analytics. Valued at $3.3bn (February 2022).$3.3bn
- 6Transmit SecurityCybersecurity. Valued at $2.2bn (June 2021).$2.2bn
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How this list is ranked
By latest reported valuation, from Wikipedia's list of unicorn companies. Ties go to the better-known company. Rebuilt every morning. Methodology · Is your company here? Claim it.