7AI raises $130M series a
Announced 4 December 2025
◆ The Round
7AI raised $130M in series a funding, announced on 4 December 2025, led by Index Ventures, with participation from Blackstone Innovations Investments, Greylock, CRV, Spark. The round is tracked live by Fusion42 as part of the Raise fund database and the Scout startup database.
◆ About 7AI
Boston-based cybersecurity startup providing autonomous AI agents that investigate security alerts for enterprise customers. 7AI is based in United States and currently at series a stage, operating in Cybersecurity.
◆ Investors
LeadIndex Ventures
ParticipationBlackstone Innovations Investments, Greylock, CRV, Spark
◆ Investing funds on Raise
◆ Market context
Index Ventures is profiled on Raise, Fusion42's database of venture funds — where each investor's thesis, cheque size and other tracked backings can be followed. This funding event is a citable node in Fusion42's market graph: it links 7AI's Scout profile to the funds behind the round and to related Wire analysis, and is refreshed from public announcements as the round is confirmed or extended. It is the same live market data Arthur reasons over when benchmarking a founder's own raise against what is closing in the market right now.
◆ Explore the market
◆ FAQ
How much did 7AI raise?
7AI raised $130M in its series-a round, announced 2025-12-04.
Who invested in 7AI's series-a round?
The round was led by Index Ventures, with participation from Blackstone Innovations Investments, Greylock, CRV and Spark.
What does 7AI do?
Boston-based cybersecurity startup providing autonomous AI agents that investigate security alerts for enterprise customers.
Verified 7 August 2026 · Sources: public filings