Anthropic allocates 5% of its shares to a new public benefit fund, with contributions rising with its valuation

Anthropic announced, in a statement dated October 18, 2026, that it will pledge a portion of its shares to the Anthropic Public Benefit Fund, a new entity structured so that its stake grows as the company grows. Subject to shareholder approval, 5% of the company's shares will be pledged today. In addition, at the board's discretion, a further 2% will be added for every 50% increase in the company's value above a baseline that has not yet been publicly disclosed.

According to the company, as a public benefit corporation, much of its mission-driven work already takes place within the company itself: research relevant to AI safety and interpretability, applied biomedical research, and discounts on Claude for nonprofits and scientific institutions. Anthropic explains that these activities combine a public benefit component with commercial value, which is why it keeps them in-house.

The new fund aims to provide greater flexibility and scale. Examples cited by the company include large donations to traditional nonprofits or direct distributions to specific populations. As an illustrative case, it points to the impact on the labor market: AI can generate enormous economic value, but also instability for many workers. Anthropic says it has already committed $200 million to study and address this issue, and argues that, given the pace of AI progress, bolder approaches may be needed, for which the fund would offer versatility.

As for its legal form, the fund will be set up as a wholly owned LLC of the company, rather than a 501(c)(3) or another format, so that it can move between different forms of giving. The company specifies that none of the Anthropic shares held by the LLC will be used for lobbying or political contributions, either in the United States or abroad.

Anthropic stresses that, by design, the more the company grows, the larger the share of its equity that can be dedicated expressly to the public good. It also contrasts this scheme with the common tech-industry practice of granting executives ever-increasing compensation: instead, it says, it directs that equity toward public benefit.

The announcement adds to earlier commitments. According to the company, when it was founded, its co-founders pledged to donate 80% of their holdings, and since then it has run a stock donation matching program in which employees pledge equity and Anthropic matches it. Roughly half of the workforce takes part. Together with today's announcement, Anthropic estimates that around 20% of its shares will be dedicated to the public good, plus whatever additional percentage may be added if the valuation milestones are reached.

The company promises to share more details in the coming months on the fund's structure and governance, including the valuation milestones that could expand its stake, and to publish a public benefit report on its progress toward its mission. Until then, key aspects remain unspecified, such as the baseline valuation, the specific allocation of funds and the governance mechanisms. It should be noted that this is an announcement by the company itself and that the 5% pledge is subject to shareholder approval.