Anthropic — Series F investment

Transaction overview

Reported completed

Exact closing date not established.

In a September 2, 2025 report, Lightspeed Venture Partners described participating in Anthropic’s Series F as its third consecutive investment in the company over more than two years. Its investment amount, ownership percentage and exact closing date were not disclosed.

Selected source-supported transactions; coverage is incomplete. Announcements do not establish completion or that a deal is still pending. Sponsor activity and operating-business transactions are distinct from adviser acquisitions. Unclassified activity is excluded from adviser-only counts.