TL;DR
Anthropic has reduced its unauthorized stock platform list from eight to four after causing panic among investors. It raised $65 billion to $965 billion that week.
Anthropic has updated its warning about unauthorized secondary market platforms selling its stock, reducing the list from eight firms to four. The revised version only names Open Door Partners, Unicorns Exchange, Pachamama and Upmarket. Several of the most prominent names in private market trading have been removed, including Hiive.
The original notice, published earlier this month, stated that any sale or transfer of Anthropic shares by said platforms would be invalid and would not be recognized on the company’s books. The notice applies to both preferred and common shares. It was the first time a major AI company had publicly called specific platforms unauthorized.
The result was chaos. Publicly traded funds that sell exposure to Anthropic stocks fell. Private brokers came together to reassess their positions. Investors who bought Anthropic shares through the aforementioned platforms were suddenly unsure whether their shares had any legal status.
Hiive CEO Sim Desai publicly hit back on LinkedIn. He wrote that his platform does not facilitate share transfers “without the company’s permission.” After Hiive’s name was removed, Desai wrote that the original post had caused confusion among investors and damaged his company’s reputation.
“If Anthropic had approached us prior to their aggressive new positioning and corresponding public statements (they did not), we would have gladly worked with them to deliver a unified message to the market.” Desai wrote.Criticism highlighted: So-called anthropic platforms without first interacting with them.
Both Anthropic and OpenAI have long included transfer restrictions in their shareholder agreements. The fine print was largely ignored by buyers looking for exposure to AI companies before their IPOs. Anthropic’s decision to explicitly name specific platforms made the legal language a market-moving phenomenon.
Anthropic shares were already trading at an estimated $1 trillion in secondary markets led by revenue rising from $9 billion to ARR 30 billion in the quarter in April. Demand for Anthropic shares has been so strong that sellers have been targeting prices worth $1.15 trillion. The unauthorized platform alert hit an already overheated market.
The time of departure is noteworthy. On Thursday, Anthropic announced a $65 billion funding round that values the company at $965 billion, including the new investment. For the first time, this rating surpasses competitor OpenAI. The company is also raising the largest private equity round in history and fighting over who is allowed to sell its shares.
A $965 billion valuation represents an amazing trajectory. Anthropic closed a $380 billion Series G in February. Three months later, secondary markets valued it at $1 trillion. The initial round sits between those two figures at $965 billion and confirms secondary market prices designed to prevent unauthorized platform alerts.
The contradiction is structural. Anthropic needs secondary market liquidity to attract and retain employees whose compensation includes equity. It also has to protect governance, comply with securities regulations and control who buys and sells its shares ahead of a potential IPO. The original warning got out of hand and caused collateral damage to legitimate platforms.
Anthropic is in initial IPO talks with Goldman Sachs, JPMorgan and Morgan Stanley.with a list in October. Secondary market management is a prerequisite for a clean public offering. But naming and shaming platforms without first contacting them, and then quietly delisting half of them after backlash, is not the approach of a company that has a pre-IPO communications strategy under control.
Anthropic did not respond to Bloomberg’s request for comment. The remaining four listed platforms, Open Door Partners, Unicorns Exchange, Pachamama and Upmarket, did not publicly respond. Investors buying shares through delisted platforms now have clarity. There are no recipients through the remaining four.
