Anthropic's recent S-1 filing on October 26, 2026, has fueled strong trader sentiment for a first-day pop, with its revenue surging over 1,200% year-over-year to $16.3 billion in the first half of 2026 alongside an improved adjusted operating profit. The Claude developer’s massive private valuation trajectory—reaching $965 billion post-money in its May Series H round—combined with $112 billion in cash reserves and major backers like Amazon and Google, signals robust institutional demand typical of high-profile AI listings. Despite reported net losses largely tied to non-operating items, the filing underscores sustained growth in large enterprise customers and infrastructure commitments. The IPO roadshow is slated to begin around November 9, with pricing expected in mid-November ahead of a Nasdaq debut under ticker ANT before Thanksgiving, positioning the offering amid continued AI sector momentum following SpaceX’s record debut.