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IPO calendar: United States and United Kingdom

Filings, expected dates and what happened, for the IPOs we track. Each date has its source beside it; an expected date stays expected until an announcement or filing confirms what happened. Italic dates are expected.

United States: Nasdaq and NYSE

IPOs on Nasdaq and the NYSE that have filed a registration statement with the SEC and that we track. The exchanges' calendars help us find them; each date comes from the issuer's own filing or announcement, linked beside it. An exchange's "expected date" is the expected pricing date, an estimate, not the first day of trading. Not every US IPO is listed here.

Bitari Inc.Nasdaq BIAIExpected
SEC filings last checked 28 October 2026 at 12:57 UTC
Aspen Neuroscience, Inc.Nasdaq ASPEExpected
SEC filings last checked 28 October 2026 at 12:57 UTC
Bambusa Therapeutics, Inc.Nasdaq BBTXExpected
SEC filings last checked 28 October 2026 at 12:57 UTC
OPay Limited (ADSs)NYSE OPAYExpected
SEC filings last checked 28 October 2026 at 12:57 UTC
Simwon America Corp.Nasdaq SWAFiled
SEC filings last checked 28 October 2026 at 12:57 UTC
FireFly Robotics, Inc. (direct listing)Nasdaq FFLYWithdrawn
SEC filings last checked 28 October 2026 at 12:57 UTC
RegenLab USA, Inc.Nasdaq RGNAFiled
SEC filings last checked 28 October 2026 at 12:57 UTC
Anthropic, PBC ReviewedNasdaq ANTFiled
SEC filings last checked 28 October 2026 at 12:57 UTC
Lycia Therapeutics, Inc.Nasdaq LYCAPriced
SEC filings last checked 28 October 2026 at 12:57 UTC
Med-X, Inc. (direct listing)Nasdaq MXRXWithdrawn
SEC filings last checked 28 October 2026 at 12:57 UTC
Patriot Mobile Inc.Nasdaq PTRTFiled
SEC filings last checked 28 October 2026 at 12:57 UTC
vVARDIS Holding AGNYSE VVVVFiled
SEC filings last checked 28 October 2026 at 12:57 UTC
Centinel Spine Holdco, Inc.NYSE CNTLFiled
SEC filings last checked 28 October 2026 at 12:57 UTC
DayOne Data Centers Limited (ADSs)Nasdaq DODCFiled
SEC filings last checked 28 October 2026 at 12:57 UTC
Oura Inc.Nasdaq OURAPostponed
SEC filings last checked 28 October 2026 at 12:57 UTC
Nscale Limited ReviewedNYSE NSCLFiled
SEC filings last checked 28 October 2026 at 12:57 UTC
Santa Ana Global Enterprises, S.A.NYSE STNFFiled
SEC filings last checked 28 October 2026 at 12:57 UTC

United Kingdom: Main Market and AIM

IPOs on the Main Market and AIM of the London Stock Exchange that we track. Each date comes from the prospectus or admission document's timetable, or a later announcement, linked beside it. An expected admission stays expected until an announcement says it happened. Not every UK IPO is listed here.

Abenojar Tungsten SAMain Market ABTExpected
Dates entered from the sources shown; last updated 28 October 2026
TEK4 Group plc ReviewedAIM TEK4Awaiting confirmation
Dates entered from the sources shown; last updated 28 October 2026
Airtel Mobile Commerce N.V. (Airtel Money) ReviewedMain Market AMCConditional dealings commenced
Dates entered from the sources shown; last updated 28 October 2026
Chaleit Holdings plcAIM CHAAwaiting confirmation
Dates entered from the sources shown; last updated 28 October 2026

What this is not. A record of public filings and announcements, not investment advice, and not a complete list of IPOs. Dates can change: check the linked source before relying on one.