Anthropic IPO Could Hit $2.4 Trillion, Early Investor Says

By Amara Osei

An early Anthropic investor expects the company's IPO shares to price at around $1.8 trillion — and to trade between $2.3 trillion and $2.4 trillion after the debut. That range would top SpaceX's $2.1 trillion market cap at the close of its first trading day, and it comes before Anthropic has even filed its S-1.

The investor, a longtime backer who asked not to be named, laid out his forecast to Fortune's Shawn Tully. He argues the post-IPO figure reflects Anthropic's underlying worth rather than a short-lived first-day pop. His pricing estimate of roughly $1.8 trillion sits below the company's reported $2 trillion target.

For finance professionals, the bigger story may not be the headline valuation. It's the economics of enterprise AI that Anthropic embodies.

How enterprise-heavy is Anthropic's revenue?

About 80% of Anthropic's revenue comes from corporate customers, Tully reports. OpenAI's sales split is roughly half corporate. That gap defines the two companies' different bets on where AI money gets made.

The investor told Fortune one reason he backed Anthropic was that it was "more of an enterprise play" than a consumer business. That's the quote worth holding onto, because it explains both the revenue mix and the IPO math. Companies with corporate buyers tend to have stickier, contract-based income than firms chasing consumer subscriptions.

What does the forecast mean for AI budgets?

The investor expects AI prices to fall as open models gain ground, even as usage keeps exploding. For CFOs, that creates a familiar budgeting squeeze: costs per unit may decline while total spending keeps climbing.

Lower prices don't necessarily mean lower budgets when adoption is accelerating. A finance team that negotiated a cheaper per-token rate in 2026 can still end up spending more overall, simply because more of the business runs on the models. That dynamic — deflation per unit, inflation in aggregate — is the pattern to watch as Anthropic and its rivals scale.

Can a $2 trillion debut be justified?

A debut near $2 trillion demands enormous profit growth to back it up. The investor isn't fazed. He calls Anthropic "the fastest-growing company in history" and argues it can afford to slow down and still deliver substantial value.

Those are strong claims, and the source is careful to note they remain one backer's conviction — not yet a verdict from public markets. No S-1 has been filed, so there are no audited figures behind the $1.8 trillion pricing guess or the $2.3 trillion-to-$2.4 trillion trading range.

Still, the structure of the argument matters. It rests on three pillars: a corporate-heavy revenue base that 80% figure captures, an enterprise focus the investor says drew him in from the start, and growth fast enough — in his telling — to absorb a slowdown without losing the valuation thread.

What happens next?

The market will test all of it once the S-1 lands and pricing talks begin in earnest. Until then, the numbers to track are Anthropic's actual revenue split, the pace of price declines across the industry, and whether corporate AI budgets keep rising even as per-unit costs fall. If they do, the investor's $2.4 trillion ceiling starts to look less like hype and more like arithmetic.