Corporate · Redmond, US

Microsoft

Software and cloud company that runs Azure and invests in AI labs.

Rounds and deals tracked
3
Led or co-led
0
First tracked
Nov 18, 2025
Latest tracked
Mar 31, 2026

AI rounds and deals

Roles as named in the primary source

DateEventRoleSizePost-moneySource
Mar 31, 2026OpenAI funding round (March 2026)OpenAIInvestor$122B$852BOpenAI ↗
Feb 12, 2026Anthropic Series GAnthropicStrategic$30B$380BAnthropic ↗
Nov 18, 2025Microsoft, NVIDIA and Anthropic strategic partnershipsAnthropicProvider, StrategicNo amount statedNot tracked yetAnthropic ↗

Size is the whole round or deal, not this investor’s share. Amounts per investor appear only when a source states them: ≤$5B (Microsoft investment commitment, Nov 18, 2025).

Companies in tracked rounds

Other deals

Compute, leases and acquisitions with Microsoft as a party

  1. Sep 18, 2026ComputeMicrosoft and Nscale GPU statements of workMicrosoft ↔ Nscaleup to about $43.8BSigned S-1 ↗
  2. Sep 8, 2025ComputeMicrosoft and Nebius GPU capacity agreementMicrosoft ↔ Nebiusabout $17.4BSigned 6-K ↗

Sources

Reviewed Oct 21, 2026

  1. OpenAI, “OpenAI raises $122 billion to accelerate the next phase of AI”, Mar 31, 2026 · OpenAI
  2. Anthropic, “Anthropic raises $30 billion in Series G funding at $380 billion post-money valuation”, Feb 12, 2026 · Anthropic
  3. Anthropic, “Microsoft, NVIDIA, and Anthropic announce strategic partnerships”, Nov 18, 2025 · Anthropic