The biggest listings that haven't hit the filing feed yet
Anthropic, OpenAI and the rest of the mega-cap private pipeline only appear in the exchange calendar once they price. Until then, these briefings track valuation, filing status and the numbers that will set the deal — compiled from public reporting and dated.
Artificial intelligence
Anthropic has filed confidentially and is being priced above $2 trillion in pre-IPO secondary markets — more than double its last agreed private round. The S-1 is the missing piece.
- Status
- Confidential S-1 filed
- Window
- Q4 2026 (reported)
Artificial intelligence
OpenAI filed confidentially in June 2026, then let the circled September window pass. The CFO now says 2027; Sam Altman called a 2026 listing 'ill-advised'.
- Status
- Confidential S-1 filed · timing pushed to 2027
- Window
- 2027 (CFO guidance)
Data & AI infrastructure
Databricks has the revenue profile of a listed company and keeps choosing not to be one. Reported timing has ranged from a mid-2026 filing to 2027.
- Status
- Exploring · timing in flux
- Window
- 2026–2027 (reported range)
Fintech / payments
Stripe is profitable, privately valued at $159 billion, and has used tender offers instead of a listing. Management has called an IPO 'not a top 20 priority'.
- Status
- No filing · management says not a priority
- Window
- No confirmed window
Fintech / banking
Revolut is reported to have filed confidentially with Nasdaq as the venue, at a private valuation near $75 billion — a notable loss for European exchanges.
- Status
- Confidential S-1 reported
- Window
- TBA