Anthropic's seven cofounders split a possible $200 billion almost equally, an unusual pay structure for a company this size

Anthropic's seven cofounders hold almost identical stakes in the company, according to Fortune's analysis of the registration statement filed Monday. Each holds between 231 million and 244 million shares, or roughly 1.4% to 1.5% of the company. Media reports say Anthropic hopes for an IPO valuation of $1.5 trillion to $2 trillion. At that price, each stake would be worth about $21 billion to $30 billion, and the group's combined paper wealth would reach about $200 billion. Fortune notes that the shares are not yet priced and the details may change.

The matching goes down to the last unit. Each cofounder holds exactly 2,185,400 stock options that can be exercised now, plus 639,500 restricted stock units (RSUs, shares that are delivered only after conditions are met) that vest after the IPO. The filing says it plainly: "Each co-founder is paid equal compensation." Dario Amodei is CEO. Daniela Amodei is president and board chair. Both earned $654,167 in salary last year, and both have earned $1.4 million since a raise in July. The filing lists pay only for the two Amodeis, because they are the only cofounders it counts as executive officers. The other five are Tom Brown, Jared Kaplan, Sam McCandlish, Jack Clark and Chris Olah. Fortune says their option and RSU grants match the Amodeis' within a few shares, which implies they received the same awards. Each of the seven also gets one vote in the entity that will control the company's shareholder vote. A separate trust elects a majority of the board.

The comparison with SpaceX, the last company to go public at this scale, is stark. Before its June 2026 IPO, SpaceX granted Elon Musk 1.3 billion restricted shares in two awards. They are tied to market-value milestones, a human colony on Mars and data centers in space. According to Fortune, they could be worth $650 billion to $700 billion, and no one else at the company comes close. Robin Ferracone, founder of the compensation firm Farient Advisors, calls Anthropic's approach "unusual" and notes that seven is a "relatively large" founder group. She adds that equal treatment usually fades as awards vest and pay becomes tied to each person's role.

There is also a philanthropic pledge. Each cofounder has promised to give 80% of their stock to philanthropy, which Fortune puts at $80 billion to $165 billion in total. Fortune also says these pledges are not legally binding. That caveat matters. If even a large part of that money went to science and health, it would be one of the biggest private transfers of technology wealth in history. For now, though, it is a promise and not an obligation.

Our reading: the flat pay structure is a real signal and deserves credit. It suggests a founding group that sees itself as a collective, not as a court built around one leader. It also lowers a known risk at mega-cap companies, where one person's incentives decide the strategy. Musk's package is tied to Mars. Anthropic's founders are tied to each other. Still, internal equality is not external accountability. This fits a pattern we have described before. Anthropic designs its own guardrails, from its draft federal bill to its public-benefit fund. Here, the founders' voting entity and the trust that elects the board will concentrate control in a small group, however fairly that group shares the money. What counts is not that the seven are paid alike. It is how well the trust and the voting structure hold up when the mission collides with quarterly earnings. Over the long run, if the 80% pledge turns into real funding for research, disease and public goods, this IPO could become a channel for the abundance we expect AI to bring. Until then, the right attitude is cautious optimism: watch the governance details, not the symbolism of equal pay.