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Anthropic's Skyrocketing Valuation: A Gold Rush in AI Investing

Anthropic has reached a $1.2 trillion valuation on secondary markets, driven by a 550% year-over-year increase and scarcity of shares, making it the most coveted company in venture secondary market history. The AI gold rush has led to investor frenzy, with some buyers offering personal assets for shares, while the company warns against unauthorized sales and scams.

read2 min views1 publishedJul 10, 2026
Anthropic's Skyrocketing Valuation: A Gold Rush in AI Investing
Image: Machinebrief (auto-discovered)

Anthropic's unprecedented $1.2 trillion valuation on secondary markets is causing a frenzy among investors. The scarcity of shares highlights the demand and risks involved in this AI gold rush.

Anthropic, a leading AI company, has hit an astonishing $1.2 trillion valuation on secondary markets. But despite this sky-high price, acquiring shares is near impossible. In fact, this rarity has made Anthropic the most coveted company in the venture secondary market's history, according to Javier Avalos, CEO of Caplight.

Glen Anderson of Rainmaker Securities echoes this sentiment. He notes that while transactions at this valuation are occurring, they're rare due to a scarcity of sellers. What's driving this frenzy? Anthropic's valuation represents a 550% year-over-year increase. It's a staggering rise that follows the company’s $965 billion Series H funding round in May.

Market Dynamics and Investor Challenges #

Both Anthropic and its competitor OpenAI remain private, forcing investors to resort to secondary markets. Here, shares are usually offered by employees or early investors. But with Anthropic's stock soaring, few are willing to sell. This has led to questionable dealings, often structured as SPVs, laden with high fees and complex ownership layers.

Anthropic has warned against unauthorized stock sales and scams, advising that any indirect investment offers should be viewed with suspicion. Yet many investors are willing to take the risk. The AI gold rush has intensified to such an extent that some buyers are even offering to sell personal assets, like homes, in exchange for shares.

The question is: How sustainable is this hysteria? The demand for Anthropic far outstrips supply, making it incredibly challenging to complete transactions. As Anderson humorously noted, if he could meet all demand for Anthropic shares, he'd be relaxing on a beach instead of discussing market dynamics.

OpenAI's Resurgence and Future Prospects #

While Anthropic dominates investor interest, OpenAI is seeing renewed momentum. The launch of its GPT-5.6 model series, including the flagship model "Sol" and the cost-effective "Terra," has rejuvenated demand. This uptick comes as Anthropic faces increased scrutiny. Investors like Martin are proceeding cautiously, ensuring they're engaging with "first-layer" SPVs, where the seller's identity is clear. This approach aims to avoid invalidated trades if Anthropic intervenes in multi-layer SPV dealings.

Despite these hurdles, the draw of AI investment remains potent. Matt Murphy from Menlo Ventures, an early backer of Anthropic, dismisses secondary market valuations as "noisy signals." However, he acknowledges the hype, especially given Anthropic’s impressive revenue numbers shared before its SEC-mandated quiet period.

With an IPO on the horizon, the landscape for both companies could change. But at this juncture, Anthropic's valuation and the fervor surrounding AI investments suggest that the sector's gold rush won't abate anytime soon. The real bottleneck isn't the model. It's the infrastructure and market mechanisms supporting these burgeoning giants.

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