OpenAI has raised $299.5B across 10 funding rounds. The latest round valued OpenAI at $852B post-money, with Amazon, Nvidia, SoftBank on the lead line.
OpenAI has raised $299.5B across 10 funding rounds. The latest round valued OpenAI at $852B post-money, with Amazon, Nvidia, SoftBank on the lead line.
Microsoft invested in OpenAI in 2024 at a $157 billion valuation. In March 2026 the company closed a further funding round that pushed its post-money valuation to $852 billion, among the highest of any AI company.
10 funding rounds, the latest highlighted.
OpenAI was founded in 2015, United States.
A primary round — the company sells new shares to investors it selects. $1B raised.
A primary round — the company sells new shares to investors it selects. $1B raised.
A primary round — the company sells new shares to investors it selects. $2B raised.
A primary round — the company sells new shares to investors it selects. $10B raised.
Sequoia Capital, Andreessen Horowitz, Thrive Capital, Tiger Global, K2 Global. $300M raised.
Employee tender. $6.6B raised, led by Microsoft.
A primary round — the company sells new shares to investors it selects. $40B raised.
SoftBank and institutional buyers, employee liquidity. $6.6B raised.
A primary round — the company sells new shares to investors it selects. $110B raised.
A primary round — the company sells new shares to investors it selects. $122B raised, led by Amazon, Nvidia, SoftBank.
No filing has been made.
10 dated rounds, newest first.
AmazonLEAD
NvidiaLEADSSoftBankLEAD
MicrosoftLEAD
Thrive Capital
Khosla VenturesThe closest artificial intelligence peers are on the competitors page.
The routes section explains what is realistically available for a company at this stage.
No. OpenAI is a private company; its shares do not trade on a public exchange.
The last valuation is $852B (post-money, Mar 2026).