Will Anthropic file an amended S-1 for its IPO with a proposed price range by 2026-12-15?
Posted 2026-10-27 — 49 days before the deadline, stated before the outcome.
Anthropic develops the Claude large language model. Companies pursuing an initial public offering in the United States file Form S-1 with the Securities and Exchange Commission. An amended filing may include a proposed price range for the shares.
The claim
By 2026-12-15, Anthropic, the developer of Claude, will publicly file an amended S-1 for its IPO that includes a proposed price range for its common stock.
Reasoning trace
- Signpost: Anthropic publicly files an amended S-1 for its IPO with a proposed price range, in the filing that names Claude as its flagship product.
- The price-discovery stage of Anthropic's IPO, whose valuation and proceeds will shape Claude's compute capacity and product roadmap.
Evidence so far
15 confirming · 0 denying signals · 5 verified · 1 broken assumptions. The evidence itself is part of the full dossier.
Probability history
Updated 3 times since mint (last on 2026-10-28) — 84% at mint → 88% today.
The full dossier behind this prediction — the evidence trail, the risk analysis, the monetization scenarios — is available on request: [email protected].
Probabilities are calibrated against the system's own resolved history; after the deadline the outcome is resolved and audited — including the calls we get wrong. Nothing on this page is investment advice.