Anthropic IPO: Filing Date, Timeline and What We Know
Anthropic confidentially submitted a draft S-1 to the SEC on 2026-06-01. As of 2026-10-15 no public S-1 is on EDGAR, and reports differ on whether it lists before or after the November midterms. US searches for "anthropic ipo" went from 1,900 to 301,000 a month, 158x.
Timeline
Confidential draft S-1 submitted to the SEC
Anthropic, Jun 1, 2026Morgan Stanley, Goldman Sachs and JPMorgan reported as lead banks
Tech Times (citing Bloomberg), Jun 5, 2026Reported to have picked Nasdaq
Briefs Finance (citing Bloomberg), Sep 13, 2026Reuters reviews a draft prospectus: 2025 revenue about $4.6B
Reuters via Yahoo Finance, Sep 29, 2026Bloomberg: marketing could start the week of Nov 9
Implicator.ai (citing Bloomberg), Oct 2, 2026Reuters: debut likely after the November midterms
RTE (Reuters), Oct 15, 2026
How many people search for it
Keyword Planner months run about one month behind the news here: a jump that follows an event in June shows in July.
Not known yet
- Ticker, price range and share count: not public.
- Listing date: reports conflict (before Thanksgiving vs after the midterms).
- Booked revenue for 2026 is known only from press reports of investor meetings.
Method and sources
IPO facts come from the filings and from press reports dated in each line. Data file: data/companies/anthropic.json, checked Oct 15, 2026.
- Anthropic, May 28, 2026
- Anthropic, Jun 1, 2026
- Tech Times (citing Bloomberg), Jun 5, 2026
- Briefs Finance (citing Bloomberg), Sep 13, 2026
- Tech Times (citing Blockonomi; original NYT reporting not opened), Sep 14, 2026
- Reuters via Yahoo Finance, Sep 29, 2026
- Implicator.ai (citing Bloomberg), Oct 2, 2026
- FinanceFeeds, Oct 12, 2026
- SEC EDGAR company search, Oct 15, 2026
- RTE (Reuters), Oct 15, 2026
Questions people ask
When did Anthropic go public?
Anthropic confidentially submitted a draft S-1 to the SEC on 2026-06-01. As of 2026-10-15 no public S-1 is on EDGAR, and reports differ on whether it lists before or after the November midterms.
Is Anthropic a public company?
Not yet. It filed a confidential draft S-1 on 2026-06-01; no public filing yet.
Not investment advice. Private-company valuations come from funding rounds and share sales reported by the press or the company; check the filings before you act on a number.