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Longterm Wiki

Series A

EquityVerified
Raised
$124M
Post-money valuation
$550M
Date
May 2021
Lead Investor
Dustin Moscovitz / Jaan Tallinn
Notes

Dustin Moscovitz (Facebook co-founder) and Jaan Tallinn (Skype co-founder) were among seed investors and led the Series A. Pre-money valuation of $550M.

Other Rounds by Anthropic

6
RoundRaisedValuationLead InvestorDate
Series G(equity)$30B$380BGIC / CoatueFeb 2026
Series F(equity)$13B$183BICONIQSep 2025
Series E(equity)$3.5B$62BLightspeed Venture PartnersMar 2025
Series D$750M$18BMenlo VenturesFeb 2024
Series C(equity)$450MSpark CapitalMay 2023
Series B(equity)$580M$4BFTX / Sam Bankman FriedApr 2022