Lambda Labs
LL
Lambda is an AI infrastructure company that provides cloud GPU compute for model training and inference. Its platform includes self-serve GPU instances, dedicated clusters, and single-tenant superclusters. Lambda also provides managed orchestration for large distributed AI workloads.
Founded by Stephen Balaban (Co-founder & CEO), Michael Balaban (Co-founder & CPO)
Blended valuation$9.4B$9.5B secondary
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$14B
blended valuationfunding round
May 31, 2021$0Oct 5, 2026
All rounds
11 funding rounds, newest first.
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Round | Jan 9, 2026 | $350M | — |
| Series E | Nov 18, 2025 | $1.5B | $5.9B |
| Series D | Feb 19, 2025 | $480M | $2.5B |
| Series C | Feb 15, 2024 | $320M | $1.5B |
| Series C | Oct 27, 2023 | — | $629.7M |
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Investors
52 investors across all rounds.
- GRGradient
- AVAlumni Ventures
- UIUS Innovative Technology Fund
- 1F1517 Fund
- BBBloomberg Beta
- BCB Capital
- IFInvariantes Fund
- JMJP Morgan
- SBSahin Boydas
- ADAdam D’Angelo
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Secondary market activity
Recent buy and sell interest for Lambda Labs shares on the secondary market.
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $10.3B | $56.32 | Oct 6, 2026 | |
| $9.6B | $18.01 | Oct 6, 2026 | |
| $10.3B | $56.32 | Oct 5, 2026 |
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Data as of Oct 15, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.