Anthropic Founders' Net Worth at $70–$78 a Share: What Dario Amodei and the Co-Founders Hold

As of November 12, 2026, at the $70–$78 IPO range, Anthropic's shares outstanding after the offering are worth $916.1 billion to about $1.02 trillion. Each of the seven co-founders beneficially owns about 241 to 244 million shares, a paper value of $16.8 billion to $19.0 billion each and $118.8 billion to $132.4 billion combined. That is paper value, not cash.

Key Takeaways

• At the $70 to $78 IPO range, Anthropic's shares outstanding after the offering are worth $916.1 billion to about $1.02 trillion.
• Each co-founder beneficially owns about 241 million to 244 million shares, worth $16.8 billion to $19.0 billion on paper.
• The seven co-founders' combined paper value is $118.8 billion to $132.4 billion.
• Each co-founder is selling 3,378,378 shares in the IPO, about 1.4% of each holding.
• A lock-up of up to 365 days, taxes and option exercise costs separate paper value from spendable wealth.
• All figures are as of November 12, 2026 and will change once the final IPO price is set.

How much is Anthropic worth?

At the IPO range, Anthropic is worth between $916.1 billion and about $1.02 trillion, counting the shares that will be outstanding after the offering. The figure multiplies the IPO price by 13,086,672,593 shares, the post-offering count in the second amended S-1. That figure is Anthropic's market cap at each price.

• At $70 a share: $916.1 billion
• At $74 a share, the midpoint: $968.4 billion
• At $78 a share: $1,020.8 billion, about $1.02 trillion

The midpoint is almost the same as the $965 billion valuation of the Series H round in May 2026, which is traced in our guide to Anthropic's valuation and funding rounds.

A fully diluted share count, which adds unexercised options and unvested stock units, is larger, so a fully diluted valuation is higher. Different outlets use different share counts, and that is why their numbers differ. The share math is laid out in our article on the Anthropic IPO price per share.

How many shares does each Anthropic co-founder own?

Each of Anthropic's seven co-founders beneficially owns between 240,637,980 and 244,173,040 shares, according to the principal stockholder table in Anthropic's S-1. The seven holdings are nearly equal, and together they come to 1,697,109,240 shares.

• Dario Amodei: 240,637,980 shares
• Daniela Amodei: 241,408,940 shares
• Tom Brown: 244,173,040 shares
• Jack Clark: 242,271,840 shares
• Jared Kaplan: 242,351,170 shares
• Sam McCandlish: 243,383,850 shares
• Christopher Olah: 242,882,420 shares

"Beneficial ownership" is an SEC reporting term. Here it means shares held as of September 30, 2026, plus stock options that can be exercised and restricted stock units that vest within 60 days of that date. It is a wider measure than shares held outright.

What are the co-founders worth at $70, $74 and $78?

Each co-founder's Anthropic holding has a paper value between $16.84 billion and $19.05 billion across the IPO range. The values below multiply beneficial shares by the IPO price. They are before taxes, before option exercise costs and before the shares each co-founder is selling in the IPO.

• Dario Amodei: $16.84 billion at $70, $17.81 billion at $74, $18.77 billion at $78
• Daniela Amodei: $16.90 billion at $70, $17.86 billion at $74, $18.83 billion at $78
• Tom Brown: $17.09 billion at $70, $18.07 billion at $74, $19.05 billion at $78
• Jack Clark: $16.96 billion at $70, $17.93 billion at $74, $18.90 billion at $78
• Jared Kaplan: $16.96 billion at $70, $17.93 billion at $74, $18.90 billion at $78
• Sam McCandlish: $17.04 billion at $70, $18.01 billion at $74, $18.98 billion at $78
• Christopher Olah: $17.00 billion at $70, $17.97 billion at $74, $18.94 billion at $78
• Combined: $118.8 billion at $70, $125.6 billion at $74, $132.4 billion at $78

These figures cover Anthropic stock only. Other assets and debts are not public, so no one outside can state a true net worth for any of the seven.

The final IPO price is not set. It is decided at the end of the Anthropic IPO roadshow. The pricing date has not been announced, as our guide to the Anthropic IPO date and status explains.

How much are the founders selling in the IPO?

Each co-founder is selling 3,378,378 shares in the IPO, about 1.4% of each holding. That small sale is the only part of the paper value that turns into cash at the offering.

• Gross proceeds per co-founder at $70: $236.5 million
• Gross proceeds per co-founder at $74: $250.0 million
• Gross proceeds per co-founder at $78: $263.5 million

The seven sales add up to 23,648,646 shares, which is every share offered by selling stockholders. The other 801,351,354 shares in the 825,000,000-share offering are new shares sold by Anthropic itself. Requests for those shares go through brokers, as described in how to buy the Anthropic IPO.

A worked example shows the gap. At the $74 midpoint, Dario Amodei's holding has a paper value of $17.81 billion. His IPO sale would bring in $250.0 million before costs and taxes. The other 237,259,602 shares, about $17.56 billion on paper at the same price, stay under lock-up.

Why isn't paper value the same as net worth?

Paper value is a share count multiplied by a price. Net worth is what a person could keep after selling, paying taxes and settling costs. For Anthropic's co-founders, six things separate the two.

• Lock-up. The general lock-up period runs 180 days. For the co-founders, and for certain holders above 0.5% of fully diluted shares, it can run up to 365 days. Most of the co-founders' stock therefore cannot be sold for a long stretch after listing.
• Taxes. Every figure above is a pre-tax number.
• Option exercise costs. Beneficial ownership includes stock options, and options cost money to turn into shares.
• Price moves after listing. Once ANT stock trades, each holding is worth whatever the market price says that day.
• Votes are not value. The co-founders' Class F share gives them control, but it adds nothing to the dollar value of their holdings.
• The giving pledge. The S-1 says the co-founders have each pledged to dedicate 80% of their personal equity in Anthropic to philanthropic causes, and Fortune reported that the filing describes the pledge as voluntary and revocable.

How much voting power does Dario Amodei have?

Dario Amodei votes 245,259,100 shares, but the co-founders' real control comes from the single Class F share held through Founder LLC. His own beneficial holding is 240,637,980 shares. The other 4,621,120 shares are voted under proxies from donor-advised funds.

He can vote those proxy shares, but they are not his economic property. That is why this article leaves them out of his paper value.

The Class F share is a separate matter. Founder LLC holds it, it carries 50.1% of the general vote, and no co-founder holds it individually. The full structure is explained in our walkthrough of what the Anthropic S-1 says about control.

MEXC View: Paper Billions Are a Snapshot, Not a Payout

In our view, the founders' headline numbers are best read as the result of one multiplication: shares times a price that has not been set yet. The figures will move at pricing, again at the first trade and on every trading day after that.

The part that turns into cash at the offering is small. At the $74 midpoint, each co-founder's IPO sale brings in about $250.0 million before costs and taxes, against a paper value near $18 billion.

The lock-up, taxes and option exercise costs sit between those two numbers, and the 80% giving pledge described above could change what any of the seven ends up keeping.

We also think the near-equal holdings say more than any ranking of the seven does: Anthropic's founders split their stakes almost evenly. This page will be updated with the final price on pricing day and again after the first trade.

Follow the Anthropic Pre-IPO Countdown on MEXC

Frequently Asked Questions

Who is the richest Anthropic co-founder?

By share count it is Tom Brown, with 244,173,040 shares, although all seven holdings sit within a narrow band and their paper values are very close.

What is Dario Amodei's stake in Anthropic?

Dario Amodei beneficially owns 240,637,980 Anthropic shares and votes a further 4,621,120 shares under proxies from donor-advised funds.

Is Dario Amodei a billionaire?

On paper, yes: at the IPO range his Anthropic holding is worth about $16.8 billion to $18.8 billion, before taxes and costs.

What is Jack Clark's net worth?

His full net worth is not public, but his 242,271,840 Anthropic shares have a paper value of $16.96 billion to $18.90 billion at the IPO range.

What is Tom Brown's net worth?

His full net worth is not public, but his 244,173,040 Anthropic shares have a paper value of $17.09 billion to $19.05 billion at the IPO range.

When can the co-founders sell their shares?

Apart from the 3,378,378 shares each is selling in the IPO, the co-founders are subject to a lock-up that can last up to 365 days after listing.

What is Anthropic's net worth?

Companies are measured by market value, not net worth, and at the IPO range Anthropic's shares outstanding are worth $916.1 billion to about $1.02 trillion.

More Anthropic Guides

• Anthropic IPO Valuation: From $965 Billion to a Reported $1.5 Trillion, Every Round and Who Owns What
• Anthropic IPO Price Per Share: How to Estimate It Before the Price Range Is Set
• Anthropic IPO Prospectus Explained: What the S-1 Reveals About Revenue, Losses, Control and Risks
• Anthropic IPO Roadshow: When It Starts, Who Runs It and What Happens Next
• Where Is Anthropic's S-1? Inside the Anthropic IPO Filing and Its November 2026 Amendment
• ANT Stock: Anthropic's Ticker, IPO Date and How to Buy It (Not Ant Group)
• Can You Get Anthropic Shares at the IPO Price? How to Buy the Anthropic IPO From Anywhere
• When Is the Anthropic IPO? Anthropic IPO Date, Plans and Status for 2026
• Is Anthropic Stock Public Yet? Does Anthropic Have a Stock, Ticker ANT and How to Buy
• Anthropic IPO News 2026: Latest on the S-1 Amendment, Ticker ANT and Listing Date
• Anthropic Q3 2026 Results: $16.96 Billion in Revenue, a $567 Million Operating Loss, and What It Means for the IPO
• Is Anthropic Profitable? Annual Revenue, Q3 2026 Losses and Cash Burn Explained
• Can You Buy Anthropic Stock Before the IPO? Three Routes Compared
• What Is Anthropic Tokenized Stock? How It Works Before and After the ANT IPO
• Can You Short Anthropic Stock? How Shorting ANT Works Before and After the IPO
• Will Anthropic Join the Nasdaq-100 or the S&P 500? How Index Inclusion Works for ANT
• When Will Anthropic List? What the Polymarket Anthropic IPO Odds Say Now
• Anthropic vs OpenAI IPO: Anthropic Lists First — What's Confirmed and What's Still Rumor
• Can You Still Get In Early? SpaceX, OpenAI, Anthropic and Databricks IPO Plans 2026

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