Secondary market demand for Anthropic shares has reached unprecedented levels, with approximately five buyers for every two investors seeking OpenAI stock. Anthropic’s implied valuation on secondary platforms has climbed to $1.2 trillion, with some transactions suggesting a ceiling of $1.5 trillion as of July 2026. The company closed a $65 billion Series H funding round in May 2026, setting a post-money valuation of $965 billion, representing a year-over-year increase of approximately 550%. Minimum investments in special purpose vehicles structured around Anthropic exposure range from $10 million to $25 million, effectively restricting participation to institutional investors and the ultra-wealthy. Anthropic filed for a potential IPO in June 2026, prompting investors who missed earlier funding rounds to view secondary markets as their final entry point before a public listing.
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