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Company · Philanthropy
Anthropic has put 5% of the company into a fund it owns, set aside for the public good. The stake can grow as the stock rises. Here's how it works, who runs it, and what's still undecided.
Illustrative only. Anthropic hasn't priced its IPO, and the fund's shares are non-voting Class N stock.
After the IPO, the board may add shares worth up to 2% of the company each time the stock hits a new milestone. The first milestone is 50% above the IPO price, and each one after that is 50% above the last. The board doesn't have to make any of these grants.
A milestone only counts once the stock has closed above it on at least 90 of the last 120 trading days, and its 10-day average close before the grant is also above it. Form S-1.
Our math, assuming the board grants the full 2% at every milestone and nothing else changes the share count. Each grant is 2% of the then-outstanding shares, including the fund's own, so it adds a bit less than 2 points to the fund's share.
Structure
The fund is Anthropic Public Benefit Fund, LLC, a wholly owned subsidiary dedicated to the company's stated public-benefit purpose. Anthropic says it chose an LLC over a 501(c)(3) so it can switch between different kinds of giving.
Source: Anthropic
Governance
Anthropic's board directs grants and distributions until it approves a governance structure for the fund. After that, decisions are expected to move to the fund's managers.
Source: Form S-1
People
Dario Amodei, Daniela Amodei, Jack Clark and Dr. Neil "Buddy" Shah. Shah chairs the Long-Term Benefit Trust, runs the Clinton Health Access Initiative, and was previously managing director of GiveWell.
Source: Form S-1
Class N stock
The fund holds Class N common stock. It carries full economic rights but no general vote, and generally converts to Class A when it's sold or transferred to an unaffiliated third party.
Source: Form S-1
Uses
Shares can be given to a third party, donated, or sold in a registered public offering or private placement. Anthropic mentions large gifts to traditional nonprofits and direct payments to specific groups of people as possibilities.
Source: Anthropic
Priorities
Anthropic points to AI's effect on the labor market. It has already committed $200 million to studying and addressing that, and says the fund can try bolder approaches.
Source: Anthropic
Restriction
Anthropic says none of the fund's Anthropic equity will be used for lobbying or political giving, in the US or abroad.
Source: Anthropic
Accounting
Shares held by the fund aren't counted as outstanding for accounting purposes, so the 5% doesn't show up in pro forma per-share figures. A tax deduction comes only once shares move to a public charity, AP reports.
Source: AP
| Anthropic's LLC | Private foundation | |
|---|---|---|
| Minimum annual payout | None | At least 5% of assets |
| Public tax filings | Less disclosure required | Annual public returns |
| Payments to individuals | Allowed | Tightly limited |
| Tax deduction | Only when shares reach a public charity | On contribution |
| Control | Stays with the owner | Board bound by charity rules |
Sources APThe Economic Times
Anthropic says the fund, the co-founders' pledges and the employee match together put about a fifth of its shares toward the public good.
Founders
All seven co-founders have pledged 80% of their personal equity to philanthropy. The S-1 calls the pledges voluntary and revocable, not legally binding. Their voting control through the Founder LLC doesn't change as they give.
Source: Form S-1
Staff
Employees can pledge equity to donor-advised funds or nonprofits, and Anthropic matches with Class N shares. About half of employees take part. The match cost $541 million in 2025, roughly 4% of operating expenses.
Source: Form S-1
Staff
Early Anthropic hires could have donations matched at three to one, according to Axios.
Source: Axios
Governance
Daffy Charitable Fund and Dechomai Asset Trust receive donated Anthropic shares. Under proxy agreements, Dario Amodei votes those shares at his discretion, except shares that he or his family donated.
Source: Form S-1
“The move reflects more of an intention to do things in the future rather than an act now.”
“They have a lot more flexibility and latitude in how to use the resources they put into the fund.”
“I guess I'm hopeful, but I'm not going to get too excited until I see some evidence of what's actually happening.”
Said the disclosure helps investors know what they're buying, though how gifts will be made isn't clear yet.
Compiled from Anthropic's Form S-1 (filed Oct 26, 2026), Anthropic's announcement and the publications linked above. Dollar values and the growth ladder are The Big Ant's estimates, not company figures. Not investment advice.
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