Comparison rule
Compare official facts separately from media reports, private-market estimates, and social speculation.
OpenAI vs Anthropic IPO Watch
Compare OpenAI and Anthropic IPO status, stock availability, ticker status, and official filing milestones.
Ad landing variant. Canonical authority is kept on opaistock.com.
IPO Alert Center
Source-backed milestone alerts
Public S-1
Ticker
IPO date
Pricing
First trade
Lockup
Official timeline
Verification status: monitored. Official company and future SEC sources take priority over market estimates and social speculation.
- Anthropic filing announcement.
- OpenAI filing announcement.
Search role
Comparison pages catch users evaluating the two companies together after SpaceX-like IPO spikes.
Next updates
Public S-1, ticker, exchange, valuation range, first trading day, and post-IPO trading data.
FAQ
Which company has an official ticker?
Neither OpenAI nor Anthropic has an official public ticker confirmed.
Which company has an official IPO date?
Neither OpenAI nor Anthropic has an official IPO date confirmed.
Is this financial advice?
No. This is source-backed public information tracking.
Official sources
- OpenAI confidential S-1 announcement2026-06-08 - OpenAI announced that it recently submitted a confidential S-1 and has not decided on timing.
- Anthropic confidential draft S-1 announcement2026-06-01 - Anthropic announced a confidential draft Form S-1 for a proposed IPO; share count and price were not set.
- Claude Help Center: unauthorized Anthropic stock sales and investment scams2026-02-11 - Anthropic warns that unapproved stock transfers, SPVs, retail funds, and public-sale claims may be invalid.