History's 3 Largest Private Funding Rounds

The AI boom has fundamentally shifted venture capital dynamics, with the largest single cash infusions in history now reserved for massive compute infrastructure.

The top 3

  1. 1. OpenAI ($122 Billion, 2026): OpenAI's February 2026 round stands as the largest private capital raise in history, backed by Amazon, SoftBank, and NVIDIA. OpenAI
  2. 2. Anthropic ($30 Billion, 2026): Anthropic secured a massive $30 billion Series G round in early 2026, signaling intense investor demand for alternative frontier models. Anthropic
  3. 3. OpenAI ($40 Billion, 2025): SoftBank led this historic 2025 round, which was a pivotal moment in establishing the extreme capital intensity of the current AI arms race. OpenAI

Sources

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