San Diego · updated 10 November 2026

Unicorns in San Diego

3 private companies from San Diego valued at $1bn or more, worth $16.8bn combined. None of them is AI-first yet.

  1. 1
    Shield AI logo
    Shield AIUnited States aerospace and defense technology company.$12.6bn
  2. 2
    Seismic logo
    SeismicSoftware. Valued at $3bn (August 2021).$3bn
  3. 3$1.2bn

Related lists

Unicorns in San FranciscoUnicorns in New York CityUnicorns in SeattleUnicorns in Palo AltoUnicorns in Los AngelesUnicorns in Boston

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.