Lambda key facts
as of Oct 2026- Developer of a cloud computing platform designed for large-scale artificial intelligence training and inference.
- Lambda is valued at approximately $10.6B (~$56/share on the secondary market) as of Oct 2026, up 95% since its Series E, Nov 2025, per PrivateMarketView’s mark.
- It has raised $2.4B across 16 recorded rounds; the latest was General Corporate Purpose ($926.0M) in Aug 2026.
- Notable investors include Alumni Ventures, Gaingels, In-Q-Tel, B Capital Group, Gradient Ventures — 60 tracked in total.
- 2 institutional filers report fund marks on Lambda across 22 filings.
- PrivateMarketView tracks 8 recorded secondary trades in Lambda shares.
- 4 investment vehicles were formed to buy Lambda shares in the last 12 months, reporting $10.5M sold to 218 investors, per SEC Form D filings.
- Status: Privately Held (backing).
Up 95% since its Series E, Nov 2025 ($5.4B post-money).
Membership and data by Private Market View
- ·Post-money valuations for 8 rounds
- ·The complete investor list: 60 names
- ·Everyone on the team, board and advisors included
- ·Watch Lambda: the Monday email on marks, rounds and moves
Secondary market
monthly marks · 46 months · Jan 2023 – Oct 2026Membership and data by Private Market View
Lambda secondary trades
8 on record · Jan 2026 – Jul 20268 trades between Jan 2026 and Jul 2026. Exact dates, prices and structures are available to Pro members.
Membership and data by Private Market View
Institutional fund marks on Lambda
2 filers · latest Jul 20262 SEC-registered funds reported 22 fair-value marks on Lambda between Apr 2025 and Jul 2026. Filer-level marks and implied $/share are available to Pro members.
Membership and data by Private Market View
Lambda funding rounds
16 roundsVehicles formed to buy Lambda shares
secondary demand · SEC Form D filingsIn the last 12 months, 4 investment vehicles were formed to buy Lambda shares, reporting $10.5M sold to 218 investors across 4 sponsors. Most recent filing May 2026.
Membership and data by Private Market View
Lambda leadership
- Matthew WorbyChief People Officer
- Chuan Li Ph.DChief Scientific Officer
- Stephen BalabanCo-Founder, Chief Executive Officer, President & Board Member
- Peter SeiboldCo-Chief Financial Officer
Who backs Lambda
60+Membership and data by Private Market View
Lambda valuation
Lambda is valued at approximately $10.6 billion as of Oct 2026. The figure is set by secondary market price and confirmed by prints and fund marks. The secondary market quotes about $56 per share. The reference point is its Series E in Nov 2025, at a $5.4 billion post-money valuation; the current figure is up 95% since.
Lambda ranks 20th by valuation and 13th by capital raised among the private companies PrivateMarketView tracks.
Recent activity
In the last 90 days, Lambda's record added 2 funding rounds and 2 institutional fund marks (latest period Jul 2026).
How much has Lambda raised?
Lambda has raised $2.4 billion across 16 recorded rounds since 2017. The largest was a $926 million general corporate purpose round in Aug 2026. 8 of the rounds disclosed a post-money valuation.
Lambda secondary market activity
8 secondary trades in Lambda shares are on record, between Jan 2026 and Jul 2026. The busiest recent months were Jul 2026 (4 prints). 4 prints landed in the last three months. Exact dates, prices and structures are available to Pro members.
A monthly secondary-market price series for Lambda runs from Jan 2023 to Oct 2026 (46 months).
Institutional holders and vehicles
2 SEC-registered funds reported 22 fair-value marks on Lambda between Apr 2025 and Jul 2026, in their N-PORT filings. The latest fund marks confirm the current valuation. Filer-level marks and implied per-share values are available to Pro members.
In the last 12 months, 4 investment vehicles were formed to buy Lambda shares, reporting $10.5 million sold to 218 investors across 4 sponsors, per SEC Form D filings (most recent May 2026).
Lambda investors
60 investors are on record for Lambda, including Alumni Ventures, Gaingels, In-Q-Tel and B Capital Group. By type, the record holds 21 venture capital firms and 4 family offices. The Series E in Nov 2025 drew 10 investors.
Who runs Lambda
21 people are listed on the Lambda team: 16 executives and 5 board members, including Michael Balaban (Co-Founder) and Michel Combes (Chief Executive Officer). 20 of them have a verified direct contact on file.
Comparable companies
Comparable systems and information management names by valuation on PrivateMarketView: Crusoe ($30.9 billion), Vantage Data Centers ($9.2 billion) and Together AI ($8.3 billion).
About Lambda
Developer of a cloud computing platform designed for large-scale artificial intelligence training and inference. The company's platform provides scalable GPU cloud services, optimized hardware configurations, and integrated tools for training and deploying large-scale AI models, enabling enterprises and research organizations to accelerate development cycles, reduce operational complexity, and achieve cost-efficient performance at scale.
- Industry
- Systems and Information Management
- Sector
- Data and Analytics
- HQ
- San Jose, CA, United States
- Founded
- 2012
- Employees
- 792
- Website
- lambda.ai/
- Ownership
- Privately Held (backing)
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