Venture Capital · Menlo Park, US

Andreessen Horowitz

Venture capital firm.

Rounds and deals tracked
5
Led or co-led
1
First tracked
May 26, 2024
Latest tracked
Sep 8, 2026

AI rounds and deals

Roles as named in the primary source

DateEventRoleSizePost-moneySource
Sep 8, 2026Mistral AI Series DMistral AIInvestor€3Bmore than €21BMistral AI ↗
Mar 31, 2026OpenAI funding round (March 2026)OpenAICo-lead$122B$852BOpenAI ↗
Sep 9, 2025Mistral AI Series CMistral AIInvestor€1.7B€11.7BMistral AI ↗
Dec 23, 2024xAI Series CxAIInvestor$6BNot tracked yetxAI ↗
May 26, 2024xAI Series BxAIInvestor$6BNot tracked yetxAI ↗

Size is the whole round or deal, not this investor’s share. Amounts per investor appear only when a source states them.

Companies in tracked rounds

Sources

Reviewed Oct 21, 2026

  1. Mistral AI, “Mistral raises €3B to make sovereign, open-weight AI the technology frontier” · Mistral AI
  2. Mistral AI, “Mistral Blog (RSS feed)” · Mistral AI
  3. OpenAI, “OpenAI raises $122 billion to accelerate the next phase of AI”, Mar 31, 2026 · OpenAI
  4. Mistral AI, “Mistral raises 1.7B€ to accelerate technological progress with AI”, Sep 9, 2025 · Mistral AI
  5. xAI, “xAI raises $6B Series C”, Dec 23, 2024 · xAI
  6. xAI, “Series B funding round”, May 26, 2024 · xAI