Investors are pushing Anthropic's expected IPO valuation down from $1.5 trillion toward $1 trillion, The Wall Street Journal reported, and some now doubt whether the November listing can happen at all. Three major investors who attended the company's San Francisco presentations expect the valuation to come down, with one seeing pricing closer to $1 trillion — still one of the largest technology listings in history, but a sharp markdown from the roughly $2 trillion figure circulating as recently as September. Anthropic's last private valuation was $965 billion, set in its May Series H round.
The doubts intensified after Wall Street's worst day since April. Reuters, citing four people familiar with the matter, reported that investors question whether Anthropic can stick to its planned November roadshow and listing after the S&P 500 plunged 4.4% on November 5, the Nasdaq Composite entered correction territory, and the Philadelphia Semiconductor Index posted its second-largest single-day decline on record. The roadshow had been expected to begin in the week of November 9, with pricing the following week and shares trading before Thanksgiving on November 26.
The numbers in Anthropic's filing explain both the excitement and the hesitation. The amended S-1 filed on November 2 showed third-quarter revenue of $16.96 billion, up 1,127% year over year and 47% from the second quarter's $11.6 billion, but growth has slowed sharply from the 144% quarterly jump in Q2, and the quarter produced a $567 million operating loss. Investors have also flagged a blank line for October run-rate revenue in the filing, leaving them unable to see whether growth held through the most recent month. The filing still leaves the share count, price range and listing date blank. Goldman Sachs and Morgan Stanley lead the 22-bank underwriting syndicate for the proposed Nasdaq listing under the ticker ANT.
Why it matters
Anthropic's IPO was supposed to be the moment the AI boom got its price tag — a public market verdict on whether frontier AI labs are worth trillions. Instead, the first real test of that valuation is happening in a falling market, and the buyers are flinching. A $500 billion haircut before a single share is priced tells you how much of the AI trade was momentum rather than conviction.
The stakes go beyond one company. If Anthropic proceeds next week and accepts whatever valuation the market assigns, it sets the clearing price for every AI company waiting behind it. If it delays into 2027, it must update the filing with full-year financials and restart the SEC clock — and the pipeline of AI listings behind it stalls with it. Either way, the roadshow starting this week will answer the question the whole industry has been avoiding: what is an AI lab actually worth when investors have to pay for it with real money, in a market that just fell 4.4% in a day?
Source: FinanceFeeds — Anthropic IPO Investors Balk at $1.5 Trillion Price Tag (2026-11-06). Summary rewritten by VCTRIA.
