In a dramatic shift within the tech investment landscape, buyers are scrambling to acquire secondary shares of Anthropic, resulting in a valuation surge that has reached as high as $1 trillion on platforms like Forge Global. This valuation jump is a stark contrast to just three months ago, when Anthropic closed a funding round valued at $380 billion. The company has captivated investors with its rapid revenue growth and the excitement surrounding its AI-powered coding assistant, Claude.
Conversely, OpenAI, valued at $852 billion, is experiencing a slump in demand, with its shares now trading at a discount to those of Anthropic. Anecdotal reports from traders indicate that interest in OpenAI has waned, creating a market disparity where Anthropic’s increasing valuation outpaces that of its counterpart, even though OpenAI’s valuation remains more than double that of Anthropic based on their latest funding rounds.
As both companies are yet to go public, most investors are compelled to navigate the secondary market, purchasing shares from current or former employees and early backers. The buying frenzy has led to extraordinary valuations, with one Anthropic shareholder reportedly offering shares at a staggering $1.15 trillion. A well-known growth fund also sought shares at a valuation of $1.05 trillion, further illustrating the intense competition for limited stock.
Recently, some buyers have adopted creative strategies, including offers that involve selling personal property to acquire Anthropic shares, which speaks volumes about the extreme demand. Glen Anderson, CEO of Rainmaker Securities, noted the urgency and enthusiasm among investors, remarking that the sentiment around AI investment has shifted dramatically since Anthropic’s latest funding round.
Despite receiving numerous offers at impressive valuations—one reaching as high as $960 billion—Anderson described an environment where offers are quickly snapped up, often within a day. The owners of Anthropic shares report being inundated with daily inquiries, ranging from absurd propositions to serious offers, but many are opting to hold onto their investments, aiming for long-term growth.
Many investors express that their desire to own Anthropic shares stems more from a fear of missing out (FOMO) than from a calculated assessment of market fundamentals. This sentiment has led to inflated prices, with the notion of being associated with such a high-profile company driving their willingness to pay nearly any price.
As the market focus shifts distinctly toward Anthropic, OpenAI’s share demand appears muted, reflecting a broader sentiment among investors that favors Anthropic’s potential in the rapidly evolving AI sector. The competitive dynamics between these two tech giants continue to unfold, drawing intense scrutiny from market watchers and investors alike.


