Anthropic IPO Nears as Revenue Rockets 45% to $16.8 Billion in Q3 — What Investors Just Learned

Picture this: a closed-door meeting in San Francisco, where some of the sharpest investors on the planet lean in as the boss of an AI company walks them through numbers most businesses would kill for. Revenue up 45% in a single quarter. Sixteen point eight billion dollars — in three months. And, for the second quarter running, a profit on an adjusted basis.

That meeting really happened on Wednesday. The company was Anthropic, the maker of the Claude AI assistant — and according to reporting by Reuters, which cited an attendee, the figures amount to one of the fastest revenue climbs any private technology company has ever shown investors. With an Anthropic IPO now expected within weeks, the defining rivalry of the AI era is about to go very public.

What Anthropic Told Investors in San Francisco

The headline number is staggering. Anthropic told prospective investors that third-quarter revenue hit $16.8 billion, up 45% from the $11.6 billion it booked in the second quarter. For context, the company pulled in $4.7 billion in the first quarter — meaning quarterly revenue has more than tripled since the start of the year. The first nine months of 2026 alone add up to roughly $33.1 billion.

Still not impressed? Consider this: Anthropic’s entire revenue for the whole of 2025 was about $4.6 billion. The company just did nearly four times that in a single quarter.

The briefing was led by chief executive Dario Amodei and chief financial officer Krishna Rao, according to the Reuters report, at a session designed to introduce prospective investors to the business ahead of its planned stock market listing. Anthropic also told the room it was profitable on an adjusted basis in the quarter — its second consecutive quarter of adjusted profitability — with one outlet reporting an adjusted gross margin of around 85%.

Now, a word of caution before you start picking out a ticker symbol. Anthropic has not published these figures itself, and it has not said what exactly it excludes from its “adjusted” profit measure. Last year, the company recorded an operating loss of more than $8 billion even as revenue rose twelvefold. Still, analysts who have met with executives estimate the annual revenue run rate could reach $110 billion by the end of 2026.

The $2 Trillion Question: When Is the Anthropic IPO?

Here is where things get genuinely historic. Anthropic is reportedly targeting a valuation of more than $2 trillion for its public-market debut — a number that would make the six-year-old company one of the most valuable businesses on Earth the moment its shares start trading. Reports suggest it could seek to raise up to $100 billion in the offering, a figure that would eclipse the record set by SpaceX’s IPO earlier this year.

The groundwork is already well advanced: Anthropic reportedly filed confidentially with the US Securities and Exchange Commission back on June 1 and has selected the Nasdaq exchange for its listing. Reuters has reported that the offering is likely to be pushed back until after the US midterm elections on November 3 — companies tend to avoid launching blockbuster listings into political volatility — with formal marketing potentially beginning the week of November 9. On that timeline, a trading debut before Thanksgiving is within reach.

Perhaps most intriguing of all: Anthropic’s listing is expected to come before a public debut by its great rival OpenAI. OpenAI chief executive Sam Altman has said his company will remain private past the end of 2026, which means Anthropic will be the first of the two AI giants to face the daily judgment of public markets. Whatever happens to its share price will set the tone for the entire sector.

Why Wall Street Is Watching Every Dollar

Anthropic’s investor briefing landed on a jittery market — and that timing tells its own story. On the very same day, shares in major chipmakers fell hard: AMD dropped nearly 6%, Nvidia lost more than 3% and Intel slid over 4%, with Dell tumbling more than 11%. The pain extended into Asia overnight, where SoftBank fell 9%, Samsung dropped 8.4% and SK Hynix lost more than 6%, dragging South Korea’s Kospi index down 7.6%, according to BBC reporting.

Why? Because investors are asking an increasingly pointed question: can AI revenue growth actually outrun AI infrastructure spending? Chip stocks tumbled this week as the market questioned exactly that — and Anthropic’s numbers are now the single most important data point in the debate.

Reuters has previously reported that Anthropic has committed at least $518 billion over a decade to long-term agreements for cloud services, computing and infrastructure, and reporting by The Information put its infrastructure spending at $5.6 billion in the second quarter alone — up 65% from $3.4 billion in the first. These are the costs of building and running frontier AI systems, and they scale relentlessly.

There is another wrinkle investors will be studying closely. Google and Amazon are both investors in Anthropic — and both supply the computing power it uses to train and run its Claude models. But they are also competitors building rival AI systems. When your biggest backers are also your biggest suppliers and your biggest rivals, the dynamics of a public listing get complicated fast.

Claude vs. ChatGPT: The Rivalry Goes Public

So what is driving revenue growth this ferocious? According to reporting in The New York Times, the answer is enterprise adoption — businesses paying real money for AI tools that do real work. Products like Cowork and Claude Code, which bring Claude into companies’ daily workflows, have reportedly fueled the surge. This is the moment AI stops being a demo and starts being infrastructure: software that companies budget for like electricity.

That shift is exactly why the coming Anthropic IPO matters beyond finance Twitter. When a company whose revenue run rate could top $100 billion lists publicly, its quarterly filings become a window into the entire AI economy — how fast businesses are adopting AI, what they are paying for it, and whether the economics actually work.

The rivalry angle is irresistible. OpenAI remains the more famous name, and its GPT-6 rollout has dominated headlines — but Anthropic is now positioned to reach public markets first. It is also worth noting that OpenAI is separately facing legal pressure from eight US states over teen self-harm concerns, a reminder that both companies are navigating intense regulatory scrutiny even as they chase growth.

Anthropic IPO: Frequently Asked Questions

When is the Anthropic IPO expected?

Reuters has reported that the offering is likely to take place after the US midterm elections on November 3. Formal marketing to investors could begin the week of November 9, which would put a trading debut before Thanksgiving within reach. The timeline is not official and could still shift.

What valuation is Anthropic targeting?

Reports put the target at more than $2 trillion, with the company potentially seeking to raise up to $100 billion. That would make it one of the largest IPOs ever — exceeding the record set by SpaceX’s listing earlier in 2026.

Is Anthropic actually profitable?

It depends on what you mean. The company told investors it was profitable on an adjusted basis in the third quarter — its second straight quarter — but has not disclosed what costs are excluded from that measure. On a conventional operating basis, it lost more than $8 billion in 2025. Treat the profit claim as promising but unproven until the prospectus lands.

How does Anthropic compare with OpenAI?

Anthropic is expected to list first: OpenAI’s CEO has said the company will stay private past the end of 2026. Both are racing to convert enterprise AI adoption into durable revenue, and Anthropic’s public filings will soon give investors the clearest look yet at whether the economics of frontier AI actually work.

The Bottom Line

Strip away the hype and the Anthropic story is really about one question: is the AI boom a bubble, or is it a business? Revenue growing from $4.7 billion to $16.8 billion in nine months — with the company telling investors it can make money doing it — is the strongest evidence yet for the “business” case. But $518 billion in infrastructure commitments, undefined “adjusted” profits, and a $2 trillion valuation ask mean the market will demand proof, quarter after quarter, in public.

The Anthropic IPO, when it lands, won’t just be a listing. It will be the moment the AI industry’s economics go on trial in front of every investor on the planet. Whatever the verdict, it will shape the next decade of technology. Stay tuned — this one is going to be loud.