Arena
Experience the frontier
Arena is a 51-200-employee Research Services company based in San Francisco, California. Founded in 2025. Has raised $200M, most recently at the Series B stage. Its most recent round on file is dated Oct 8, 2026. Khosla Ventures and Lightspeed Venture Partners led it, at a $3.1B valuation. Adamlead has 1 contact on file at Arena.
Arena funding and company details
- Raised
- $200M
- Stage
- Series B
- Last round
- Oct 8, 2026
- Employees
- 51-200
- Headquarters
- San Francisco, California
- Website
- arena.ai
- Founded
- 2025
- Revenue
- –
Who invested in Arena
Arena's latest round: $200M Series B at a $3.1B valuation, Oct 8, 2026.
Led by Khosla Ventures and Lightspeed Venture Partners.
Also in the round: 01 Advisors, AMP PBC, Andreessen Horowitz, Dell Technologies Capital, Endeavor Catalyst, Felicis, House Fund, QuantumLight and Salesforce Ventures.
Read from pulse2.com. Spot something wrong? Email support@adamlead.com.
Arena in the news
- Plano ISD pledges up to $250 million for Dallas Stars arena, raising school funding questionsCBS News · Oct 15, 2026
- Plano ISD to contribute up to $250 million to Dallas Stars arena fundingNBC 5 Dallas-Fort Worth · Oct 14, 2026
- ARENA seeks local and global solar innovators for $250 million solar manufacturing roundAustralian Renewable Energy Agency (ARENA) · Oct 14, 2026
- New details: Plano ISD to contribute up to $250 million to Dallas Stars arena fundingNBC 5 Dallas-Fort Worth · Oct 14, 2026
- Arena's Oct. 8 Series B: $200M at $3.1B ValuationQuasa.io · Oct 13, 2026
- AI Evaluation Platform Arena Raised a $200 Million Series B at a $3.1 Billion Valuation:HedgeCo.Net · Oct 9, 2026
People at Arena
| Name | Title | |
|---|---|---|
 Anastasios Angelopoulos | CEO | a***@arena.aiVerified |
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Frequently asked questions
When did Arena last raise funding?
Arena's most recent round on file is dated Oct 8, 2026, at the Series B stage. Total funding on file: $200M.
Who invested in Arena?
Khosla Ventures and Lightspeed Venture Partners led Arena's latest round (Series B). Also in the round: 01 Advisors, AMP PBC, Andreessen Horowitz, Dell Technologies Capital, Endeavor Catalyst, Felicis. Read from the articles that covered it, linked on this page.
How many contacts does Adamlead have for Arena?
We have 1 contact on file for Arena. Each email shows its verification status and a confidence score.
What industry is Arena in?
Arena is categorized under Research Services on Adamlead, alongside 15 other companies in the segment.
Can I get verified emails for people at Arena?
Yes. Start a 7-day free trial and reveal any contact's email for one credit. Every address carries a confidence score, and revealing the same contact again is always free.
What companies are similar to Arena?
Other Research Services startups on Adamlead, closest first by funding stage, include Odyssey, Flapping Airplanes, TypeSafe AI. See the list below for more.
Reveal verified contacts at Arena
Arena raised on Oct 8, 2026. Reach out while the budget is fresh. 7 days free, no card required.
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