Anthropic IPO: $70-$78 Range and $81B Run-Rate Explained

Anthropic launched the roadshow for its initial public offering on 10 November 2026, proposing to sell 825 million Class A shares at $70 to $78 each on Nasdaq under the ticker ANT. A second amendment to its S-1 filed the same day reportedly puts run-rate revenue at about $81 billion as of 31 October. This post separates what Anthropic and the SEC record say from what secondary sites add. It is not investment advice.

Key Takeaways

• Anthropic's own roadshow announcement (10 November 2026) lists 825,000,000 shares: 801,351,354 from the company and 23,648,646 from existing holders, at an expected $70.00 to $78.00, with a 30-day underwriter option on up to 123,750,000 more.
• The S-1 was filed on 26 October 2026, with amendments on 2 November and 10 November, per the SEC EDGAR listing for Anthropic, PBC.
• The about-$81 billion run-rate figure comes from a secondary write-up of Amendment No. 2. I could not open the 96 MB filing, so I have not read it myself.
• Anthropic defines run-rate as trailing 28-day consumption fees times 13 plus monthly subscription fees times 12, and says it is not a substitute for GAAP revenue, per that same write-up.
• Reported Q3 2026 revenue is about $17 billion, but the 9-month net loss is about $104 billion, which sec-api.io attributes mainly to non-cash fair value charges.
• Committed compute and infrastructure spend is about $900 billion, so the company's cost base is large next to its revenue.
• Pricing on 18 November and trading on 19 November are reported by CNBC citing people familiar, per a secondary site. Anthropic has not confirmed those dates.

What is confirmed and by whom

Anthropic's announcement states the registration statement has been filed but is not yet effective, so the shares cannot yet be sold. If the range changes, the company would amend the prospectus again.

The revenue numbers, and why run-rate is not revenue

The FourWeekMBA summary quotes the filing as saying run-rate revenue was approximately $81 billion at 31 October 2026, up $10 billion from 30 September. It also says Amendment No. 1 had left that figure blank, and that The Wall Street Journal reported on 6 November that the run-rate topped $80 billion. The same summary reports Q3 2026 revenue of $16,956 million and Q2 revenue of $11,555 million.

Treat run-rate carefully. It annualizes a recent period, so it moves with the most recent weeks. The filing's own language, as relayed, says holiday periods can move it, that it expects run-rate growth to decline over time, and that it includes amounts from customers later found to violate usage policy. FourWeekMBA also notes that Anthropic does not split the figure between consumption and subscriptions.

Earlier milestones help with context. Anthropic's Series H announcement in late May 2026 raised $65 billion at a $965 billion post-money valuation, and coverage tied it to a run-rate above $47 billion at that point. Crunchbase reads the new money as closer to $50 billion once earlier hyperscaler commitments are counted, so "raised $65 billion" overstates fresh cash. I trust the Crunchbase reading for that detail, with the caveat that I only saw it via a search summary.

Costs, losses and commitments

The sec-api.io analysis of the S-1/A reports a Q3 operating loss of $567 million, compared with operating income of $974 million in Q2, and adjusted operating income of $2.5 billion in Q3. It reports more than 11,900 customers above $100,000 in trailing twelve-month revenue, net revenue retention of about 900%, and the top five customers at about 25% of nine-month revenue. RTTNews, citing the filing, gives the nine-month net loss as $104 billion.

Two numbers conflict slightly. The sec-api.io page, dated 5 November, gives aggregate compute commitments of about $895.4 billion. RTTNews and FourWeekMBA, both written after Amendment No. 2, give about $900.9 billion. I read that as the later figure replacing the earlier one, but I cannot confirm it without the filings. The Batch also reported that either party can cancel certain compute agreements after early 2027.

The Batch (6 November) adds governance detail: a company owned by the seven co-founders holds a single share with 50.1% of the vote on most matters. It also reports that Claude wrote more than 90% of contributions to Anthropic's codebase in September 2026. I have not verified that claim against the filing.

What is still unsettled

• Valuation. A secondary site, citing CNBC, puts the implied fully diluted value at about $1.405 trillion at $78. Earlier talk of $1.5 trillion to $2 trillion came from Bloomberg as reported by The Batch. These are estimates, not company statements.
• Timing. The reported 18 and 19 November dates are unconfirmed. The final price is set after the roadshow.
• The filing text. Several figures above reach me through summaries. Where they differ, I have said so.

What this means for marketers and founders

I am not telling you whether to buy the stock. The business question is narrower: how much should an IPO change how you buy and use Claude?

1. Do not change your tools on this news. An S-1 shows scale and cost structure. It says nothing new about whether Claude writes better landing pages than another model.
2. Expect price movement to follow costs. Compute is a very large fixed commitment. I cannot predict list prices, but my earlier note on why AI bills rose when prices fell is a reason to track total spend, not per-token rates.
3. Build vendor continuity into the plan. Keep prompts and skills portable, and write down a second model for each critical task. My Claude outage playbook covers the checklist.
4. Re-run your cost math each quarter. Use the structure in AI model pricing compared and the AI budget a founder will approve, and date every price you record.
5. Read the risk factors before reading the hype. Anthropic's filing discusses regulatory scrutiny and an FTC inquiry, which I cover in the risk-factor post.

FAQ

When is the Anthropic IPO?

Anthropic launched its roadshow on 10 November 2026. CNBC, via a secondary report, says pricing is planned for 18 November and trading for 19 November, but Anthropic has not confirmed those dates and they can move.

What is the Anthropic IPO price range?

The expected range is $70.00 to $78.00 per Class A share, per Anthropic's roadshow announcement. The company is offering 801,351,354 shares and selling stockholders are offering 23,648,646. The range can change by amendment.

What ticker will Anthropic use?

Anthropic intends to list on the Nasdaq Global Select Market under the symbol ANT. Its announcement says the registration statement is filed but not yet effective, so no shares can be sold yet.

What is Anthropic's run-rate revenue?

A summary of S-1/A Amendment No. 2 reports about $81 billion as of 31 October 2026, up $10 billion from 30 September. Run-rate is an annualized recent figure, and the filing says it is not a substitute for GAAP revenue.

Is Anthropic profitable?

The reports I read show a mixed picture. sec-api.io reports a Q2 operating profit of $974 million and a Q3 operating loss of $567 million, and a nine-month net loss of about $104 billion driven mainly by non-cash fair value charges. Read the filing for the definitions.

Who is buying shares privately in the IPO?

RTTNews, citing an SEC filing, says AMD, Broadcom, Google, Micron, Microsoft, NVIDIA and TSMC Partners agreed to buy about $26 billion of Class N common stock at the IPO price. This is separate from the public offering.

Does the IPO affect Claude pricing or availability for my team?

Nothing in the sources I read announces a pricing or availability change. The practical step is to track your own spend and keep a fallback model. I would revisit once the filing's final terms and any new price lists are public.

Want help with this?

I'm Younus Fardeen, an organic growth, SEO and AEO strategist with 4+ years of marketing experience across edtech and startup teams. If you want help building an AI tool budget and fallback plan that does not depend on one vendor's news cycle, see my work and reach me through the contact form at younusfardeen.com.