In 2023 Sound Ventures invested a cumulative $435m in Anthropic via the company's first institutional-led round, taking about a 0.5% stake. Based on Anthropic's planned IPO valuation of $1.4tn, that stake would be worth roughly $7bn, an approximately

2026-11-16

In 2023 Sound Ventures invested a cumulative $435m in Anthropic via the company's first institutional-led round, taking about a 0.5% stake. Based on Anthropic's planned IPO valuation of $1.4tn, that stake would be worth roughly $7bn, an approximately 1,500% increase over cost. Sound Ventures had previously invested in OpenAI and proceeded with the Anthropic investment only after receiving permission from OpenAI CEO Sam Altman.