Every company that wants to go public in the US must first register with the SEC - US companies file an S-1, foreign companies an F-1, and the final priced prospectus arrives as a 424B4 just before shares trade. This tracker lists 6,495 registration filings, newest first, parsed directly from SEC EDGAR. Companies in registration usually have no ticker yet; tickers appear once assigned.
| Company | Stage | Ticker | Filed | Open |
|---|---|---|---|---|
| AMKOR TECHNOLOGY, INC. | Amended registration | AMKR | 1997-10-27 | View filing |
| GROUP 1 AUTOMOTIVE INC | Amended registration | GPI | 1997-10-24 | View filing |
An S-1 is the first public look at a private company - financials, risk factors, and how it plans to use the money. Most companies amend the registration several times (S-1/A) as the SEC reviews it and terms firm up. When you see the final priced prospectus (424B4), the IPO is days or hours away. Once a company starts trading you can follow it in the market cap rankings with full financial statements and filing history.
| FIRST INTERSTATE BANCSYSTEM INC | Amended registration | FIBK | 1997-10-23 | View filing |
| SONIC AUTOMOTIVE INC | Amended registration | SAH | 1997-10-23 | View filing |
| SONIC AUTOMOTIVE INC | Amended registration | SAH | 1997-10-23 | View filing |
| SONIDA SENIOR LIVING, INC. | Amended registration | SNDA | 1997-10-23 | View filing |
| POWER INTEGRATIONS INC | Amended registration | POWI | 1997-10-21 | View filing |
| METTLER TOLEDO INTERNATIONAL INC/ | Amended registration | MTD | 1997-10-21 | View filing |
| AFFILIATED MANAGERS GROUP, INC. | Amended registration | AMG | 1997-10-20 | View filing |
| SONIC AUTOMOTIVE INC | Amended registration | SAH | 1997-10-17 | View filing |
| Innovex International, Inc. | Amended registration | INVX | 1997-10-17 | View filing |
| SONIDA SENIOR LIVING, INC. | Amended registration | SNDA | 1997-10-14 | View filing |
| GROUP 1 AUTOMOTIVE INC | Amended registration | GPI | 1997-10-14 | View filing |
| NRG ENERGY, INC. | Amended registration | NRG | 1997-10-10 | View filing |
| C. H. ROBINSON WORLDWIDE, INC. | Amended registration | CHRW | 1997-10-09 | View filing |
| CASELLA WASTE SYSTEMS INC | Amended registration | CWST | 1997-10-09 | View filing |
| AFFILIATED MANAGERS GROUP, INC. | Amended registration | AMG | 1997-10-08 | View filing |
| METTLER TOLEDO INTERNATIONAL INC/ | Amended registration | MTD | 1997-10-08 | View filing |
| SONIC AUTOMOTIVE INC | Amended registration | SAH | 1997-10-03 | View filing |
| FRANKLIN WIRELESS CORP | Amended registration | FKWL | 1997-10-01 | View filing |
| SONIDA SENIOR LIVING, INC. | Amended registration | SNDA | 1997-10-01 | View filing |
| OSI SYSTEMS INC | Amended registration | OSIS | 1997-10-01 | View filing |
| GROUP 1 AUTOMOTIVE INC | Amended registration | GPI | 1997-09-30 | View filing |
| Innovex International, Inc. | Amended registration | INVX | 1997-09-30 | View filing |
| CASELLA WASTE SYSTEMS INC | Amended registration | CWST | 1997-09-24 | View filing |
| AFFILIATED MANAGERS GROUP, INC. | Amended registration | AMG | 1997-09-19 | View filing |
| Innovex International, Inc. | Amended registration | INVX | 1997-09-19 | View filing |
| C. H. ROBINSON WORLDWIDE, INC. | Amended registration | CHRW | 1997-09-17 | View filing |
| SONIDA SENIOR LIVING, INC. | Amended registration | SNDA | 1997-09-08 | View filing |
| SONIC AUTOMOTIVE INC | Amended registration | SAH | 1997-08-29 | View filing |
| GROUP 1 AUTOMOTIVE INC | Amended registration | GPI | 1997-08-19 | View filing |
| OSI SYSTEMS INC | Amended registration | OSIS | 1997-08-15 | View filing |
| AEHR TEST SYSTEMS | Amended registration | AEHR | 1997-08-13 | View filing |
| STEEL DYNAMICS INC | Amended registration | STLD | 1997-08-08 | View filing |
| AEHR TEST SYSTEMS | Amended registration | AEHR | 1997-08-08 | View filing |
| Oruka Therapeutics, Inc. | Amended registration | ORKA | 1997-08-07 | View filing |
| Oruka Therapeutics, Inc. | Amended registration | ORKA | 1997-08-04 | View filing |
| Oruka Therapeutics, Inc. | Amended registration | ORKA | 1997-08-01 | View filing |
| OSI SYSTEMS INC | Amended registration | OSIS | 1997-08-01 | View filing |
| Oruka Therapeutics, Inc. | Amended registration | ORKA | 1997-07-29 | View filing |
| STEEL DYNAMICS INC | Amended registration | STLD | 1997-07-28 | View filing |
| CIRRUS LOGIC, INC. | Amended registration | CRUS | 1997-07-25 | View filing |
| STEEL DYNAMICS INC | Amended registration | STLD | 1997-07-22 | View filing |
| Oruka Therapeutics, Inc. | Amended registration | ORKA | 1997-07-18 | View filing |
| PILGRIMS PRIDE CORP | Amended registration | PPC | 1997-07-18 | View filing |
| AEHR TEST SYSTEMS | Amended registration | AEHR | 1997-07-17 | View filing |
| Oruka Therapeutics, Inc. | Amended registration | ORKA | 1997-07-17 | View filing |
| JONES LANG LASALLE INC | Amended registration | JLL | 1997-07-16 | View filing |
| JONES LANG LASALLE INC | Amended registration | JLL | 1997-07-15 | View filing |
| JONES LANG LASALLE INC | Amended registration | JLL | 1997-07-11 | View filing |