Anthropic

In May 2023, Anthropic raises a $450M Series C round at $11.23 per preferred share, valuing the company at $4.6B
Google agrees to invest up to $2B in Anthropic in October 2023
In January 2024, Anthropic authorizes its Series D round at $30 PPPS, giving the company a pre-money valuation of over $12B
Amazon announces it has completed its $4B investment in Anthropic in March 2024, raising its valuation to over $18B