Lambda
About Lambda
Lambda is a AI Infrastructure startup based in San Francisco, California, United States that has raised $3.4B in venture capital across 6 funding rounds since 2012. The company reached Series E stage in July 2021 with a $15M round led by institutional investors. Lambda's investor base includes 10 institutional funds, with TWG Global leading the most recent equity round.
Lambda (formerly Lambda Labs) is an AI cloud infrastructure provider that operates GPU-based supercomputing clusters for training and inference workloads at enterprise and hyperscaler scale. The company markets itself as 'The Superintelligence Cloud,' offering single-tenant GPU superclusters, on-demand instances, and 1-Click Clusters powered by NVIDIA GB300 and H100/B200 systems. Lambda serves frontier AI labs, Fortune 500 companies, and research institutions, and raised $1B in a senior secured credit facility in May 2026 to expand its gigawatt-scale AI compute infrastructure.
Lambda Funding Rounds Timeline
6 rounds · $3.4B raised · since 2012
| Round | Date | Amount | Valuation | Lead investor | Co-investors |
|---|---|---|---|---|---|
| Series A | July 2021 | $15M | — | — | — |
| Series B | March 2023 | $44M | — | Mercato Partners | — |
| Series C | February 2024 | $320M | — | US Innovative Technology Fund | B Capital, SK Telecom |
| Series D | February 2025 | $480M | — | Andra Capital | NVIDIA, ARK Investment Management, G Squared, In-Q-Tel |
| Series E | November 2025 | $1.5B | — | TWG Global | US Innovative Technology Fund |
| Senior Secured Credit FacilityDebt | May 2026 | $1B | — | J.P. Morgan | — |
Investors in Lambda
10 institutional investors across 6 rounds
Lead investors
Co-investors
Recent news about Lambda
- FundingLambda Raises $1B to Expand Gigawatt-Scale AI FactoriesMay 2026
Questions about Lambda
How much has Lambda raised?
Lambda has raised $3.4B across 6 funding rounds since 2012.
Who are the investors of Lambda?
Lambda's investors include TWG Global, Andra Capital, US Innovative Technology Fund, Mercato Partners, NVIDIA, ARK Investment Management, B Capital, SK Telecom, G Squared, In-Q-Tel.
When was Lambda's last funding round?
Lambda's most recent round was a $15M Series A in July 2021.
Where is Lambda headquartered?
Lambda is headquartered in San Francisco, California, United States, and was founded in 2012 by Stephen Balaban, Michael Balaban.