Microsoft Corporation

March 31, 2026|March 31, 2026|Investors:17|Valuation:$852B

Record $122B final close at $852B valuation. Co-led by SoftBank, a16z, D.E. Shaw, MGX, TPG, T. Rowe Price. Amazon ($50B), Nvidia ($30B), SoftBank ($30B) anchored. 20+ additional institutional investors.

February 27, 2026|February 27, 2026|Investors:3|Valuation:$730B

$110B announced round anchored by Amazon ($50B), Nvidia ($30B), SoftBank ($30B) at $730B pre-money valuation.

March 31, 2025|March 31, 2025|Investors:5|Valuation:$300B

First $2.5B tranche of the $40B Series F at $300B valuation, led by SoftBank ($10B upfront, 75% of this tranche).

October 2, 2024|October 2, 2024|Investors:9|Valuation:$157B

$6.6B Series E at $157B valuation. Led by Thrive Capital ($1.3B). Joined by Microsoft, Nvidia, SoftBank, Khosla, Altimeter, Fidelity, Tiger Global, MGX.

January 23, 2023|January 23, 2023|Investors:1|Valuation:$29B

Microsoft multi-year ~$10B investment deepening Azure partnership and funding GPT-4 development

January 27, 2021|January 27, 2021|Investors:3|Valuation:$14B

$1B venture round at ~$14B valuation. Investors included Khosla Ventures, Reid Hoffman, and Microsoft.

July 22, 2019|July 22, 2019|Investors:1|Valuation:$20B

Microsoft landmark $1B strategic investment establishing Azure as OpenAI exclusive cloud provider.