Who Will Be the Lead Bank in Anthropic's IPO? Latest News

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Lead Bank in Anthropic's IPO

Each outcome's chance, from what traders are paying right now on Polymarket.

Goldman SachsIn this story

99%

Polymarket1.01x99.5¢

5 others under 1%Show all

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Background

The market asks which bank will be named lead bank in Anthropic's IPO, resolving by Dec. 31, 2027. Anthropic's S-1, filed around Oct. 26, 2026, lists Goldman Sachs first among its underwriters (lead left) and Morgan Stanley second, with about 20 other banks behind them. Morgan Stanley is named stabilization agent. A September Financial Times report had said Morgan Stanley was nearing the lead-left role. Pricing and a Nasdaq debut under the ticker ANT are expected around Nov. 19 or 20.

The key dynamic is that the outcome turns on cover position, not on fees or duties, which the sources do not describe. The filing is a primary document, so the question reopens only if an amended filing reorders the underwriters, the final list at pricing shows a different leftmost bank, or the deal is postponed. A delay would stretch the window rather than end the market.

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Nov. 10, 2026: Is Goldman Sachs Lead Bank in Anthropic's IPO? Odds Hit 97%

Goldman Sachs Is Lead Left in Anthropic's IPO, and the Market Now Prices It at 97%

Yes. Anthropic's S-1, filed Oct. 26, 2026, names Goldman Sachs as lead left on its IPO, alongside Morgan Stanley, in a syndicate of about 22 banks that includes JPMorgan, Citigroup, Barclays and Wells Fargo Securities. Lead left means Goldman is the top-listed bank on the prospectus cover, the position that runs the roadshow, pricing and allocation. Goldman and Morgan Stanley are working with Anthropic on pricing for a Nasdaq debut under ticker ANT, according to TechCrunch.

On Polymarket, Goldman's implied probability of being named lead bank rose from 91% to 97% on Nov. 10, 2026, a gain of about 6 percentage points over three days as the deal moved from announcement to execution. The contract stood at 92% on the day of the S-1 filing, so the latest move erased a brief dip and pushed the price to the high of its range. Shares could begin trading as soon as Thursday, Nov. 19, or Friday, Nov. 20.

The pairing repeats SpaceX's roughly $86.2 billion June 2026 IPO, where Goldman also sat lead left and Morgan Stanley served as stabilization agent. Morgan Stanley holds that stabilization role again on Anthropic, overseeing early trading, which leaves Goldman's cover position as the role this market resolves on.

What the $70-$80 Range and $26B in Anchor Orders Show, and What Could Still Change It

A filing seen by Reuters sets terms for about 867 million new shares at $70 to $80, raising up to roughly $69 billion, according to Reuters. Google, Nvidia, AMD, Broadcom, Micron, Microsoft and TSMC will add $26 billion through a private placement at the IPO price, taking the combined raise to about $87 billion to $95 billion, InvestingLive reports. The filing does not disclose an implied valuation.

The timing matters. A Thursday selloff the prior week wiped about $2.5 trillion from Nasdaq-listed companies, and some investors pushed valuation talk below the roughly $1.5 trillion discussed days earlier, with the earlier $2 trillion figure looking harder to reach. Setting a range and locking in $26 billion of supplier demand after that drop shows the Goldman-led syndicate is executing rather than retreating.

The risk sits in the calendar. Anthropic could still delay the debut if markets deteriorate, and the supplier-as-investor structure may feed concerns about circular financing in AI, a theme that has already weighed on credit spreads, per InvestingLive. With the Lead Bank in Anthropic's IPO market resolving by Dec. 31, 2027, a postponement would stretch the window rather than end it.

The next milestone is pricing and the first trade under ANT, expected Nov. 19 or 20. Confirmation comes if the final underwriter list at pricing still shows Goldman leftmost. Reversal would look like a postponement, a reshuffled bank lineup, or Morgan Stanley moving ahead of Goldman on the cover.

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Earlier Updates

Oct. 26, 2026: Anthropic S-1 Lists Goldman Sachs Ahead of Morgan Stanley

Goldman Sachs5% → 92%▲87

Anthropic's S-1, publicly filed around Oct. 26, 2026, lists Goldman Sachs first among its underwriters, ahead of Morgan Stanley, according to CNBC. The filing reversed earlier Financial Times reporting that Morgan Stanley was nearing the lead-left role, and Morgan Stanley is named as stabilization agent.