PitchBook: 95+ investors put money into both Anthropic and OpenAI amid shifting norms; sources: Menlo, Lightspeed, and Iconiq each hold 1%-2% Anthropic stakes (Erin Griffith/New York Times)

According to PitchBook, over 95 investors have funded both Anthropic and OpenAI, reflecting evolving investment norms as these AI companies prepare for public offerings. Key investors like Menlo, Lightspeed, and Iconiq each hold 1%-2% stakes in Anthropic. This cross-investment highlights the competitive landscape in Silicon Valley as the AI sector anticipates significant financial gains from these ventures.