Anthropic’s seven co-founders each reach a net worth of $8 billion, setting a Bloomberg Billionaires Index record for the most people added in a single day.

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Anthropic’s latest financing round has propelled all seven of its co-founders onto the Bloomberg Billionaires Index, setting a record for the most additions from a single company in one day in the Index’s history.

According to Bloomberg, Anthropic completed a $65 billion financing this Thursday, with a valuation reaching $96.5 billion. Although each of the seven co-founders led by siblings Dario Amodei and Daniela Amodei holds less than 1% equity, the net worth calculation shows each person’s stake is worth about $8 billion.

This financing marks the first time Anthropic’s valuation has surpassed OpenAI, which was valued at $85.2 billion after a funding round in March this year. Anthropic still plans to proceed with its IPO as early as this fall according to the original schedule, while reports indicate OpenAI is also considering a listing around the same time.

Seven Co-founders Join Billionaire List Together, AI Wealth Effect Continues to Grow

Besides Dario and Daniela Amodei, the Anthropic co-founders entering the Bloomberg Billionaires Index for the first time include Tom Brown, Jack Clark, Jared Kaplan, Sam McCandlish, and Christopher Olah.

The calculation of the co-founders’ shareholdings is based on data from Pitchbook and previous funding reports, with adjustments referring to Carta data on typical equity grants to non-founding employees.

The AI boom has continually generated wealth over the past few years. Jensen Huang’s personal fortune has climbed from $10.9 billion in October 2022 to over $177 billion, ranking eighth on the Bloomberg Wealth Index.

This month, Bloomberg also revealed 19 new AI billionaires with a combined net worth of $59 billion, including co-founders of Cerebras Systems, which just went public, and Surge Lab founder Edwin Chen, whose personal wealth has reached $13 billion.

Co-founders Pledge to Donate 80% of Their Wealth, CEO Warns of Wealth Concentration Risk

Though most of this wealth currently exists on paper, Anthropic’s co-founders have publicly pledged to donate 80% of their personal wealth.

CEO Dario Amodei has repeatedly voiced concerns about the trend of wealth concentration in the AI industry, believing it could have a profound impact on tax policy, democracy, and political influence.

In an article from January 2026, he wrote: "What really deserves our vigilance is a degree of wealth concentration sufficient to tear society apart. Those at the forefront of the AI economic wave should be willing to give up both their wealth and power."

Anthropic’s Revenue Surges, Valuation Surpasses OpenAI for the First Time

Anthropic was founded in 2021 by a group of former OpenAI employees due to differing views on the company’s future direction.

The company is headquartered in San Francisco and offers products including the chatbot Claude and a suite of enterprise tools. Anthropic expects second quarter revenue to reach $10.9 billion, more than doubling from the previous quarter.

After this funding round, Anthropic's $96.5 billion valuation surpassed OpenAI’s $85.2 billion valuation for the first time, making it the most valuable private AI company at present.

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