90 VC firms back OpenAI and Anthropic, eyeing IPOs
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- 90 venture capital firms have invested in both OpenAI and Anthropic, with OpenAI sharing roughly 42% of its investors with Anthropic.
- Anthropic’s recent fundraising announced 31 investors, at least 13 of which also hold stakes in OpenAI.
- Sequoia Capital and other major firms such as Greylock, Founders Fund, Redpoint Ventures, Emerson Collective, and Sound Ventures back both companies.
- Tom Nicholas of Harvard Business School notes the overlap suggests investors doubt a winner‑take‑all AI market.
- OpenAI and Anthropic both plan IPOs this year, and shared investors may double their odds of a successful debut.
Why it matters: Venture capital firms gain doubled odds of a successful IPO by backing both AI leaders, while the AI market sees concentrated capital that could limit competition and amplify investor influence.
