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 14,307 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 |
|---|---|---|---|---|
| LAUREATE EDUCATION, INC. | Priced - final prospectus | LAUR | 1998-01-13 | View filing |
| CMS ENERGY CORP | Priced - final prospectus | CMS | 1998-01-09 | 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.
| MERCURY SYSTEMS INC | Amended registration | MRCY | 1998-01-07 | View filing |
| PERDOCEO EDUCATION Corp | Amended registration | PRDO | 1998-01-02 | View filing |
| VERISIGN INC/CA | Amended registration | VRSN | 1998-01-02 | View filing |
| IES Holdings, Inc. | Amended registration | IESC | 1997-12-31 | View filing |
| AMKOR TECHNOLOGY, INC. | Amended registration | AMKR | 1997-12-31 | View filing |
| WESCO INTERNATIONAL INC | New registration | WCC | 1997-12-24 | View filing |
| COLUMBIA SPORTSWEAR CO | New registration | COLM | 1997-12-24 | View filing |
| MKS INC | Amended registration | MKSI | 1997-12-22 | View filing |
| CIRRUS LOGIC, INC. | Amended registration | CRUS | 1997-12-19 | View filing |
| CENTRAL GARDEN & PET CO | Priced - final prospectus | CENT | 1997-12-17 | View filing |
| WILLIS LEASE FINANCE CORP | Priced - final prospectus | WLFC | 1997-12-16 | View filing |
| FLEX LTD. | New registration | FLEX | 1997-12-16 | View filing |
| POWER INTEGRATIONS INC | Amended registration | POWI | 1997-12-12 | View filing |
| NRG ENERGY, INC. | Amended registration | NRG | 1997-12-12 | View filing |
| POOL CORP | Amended registration | POOL | 1997-12-12 | View filing |
| WILLIS LEASE FINANCE CORP | Amended registration | WLFC | 1997-12-11 | View filing |
| NRG ENERGY, INC. | Amended registration | NRG | 1997-12-11 | View filing |
| IES Holdings, Inc. | Amended registration | IESC | 1997-12-11 | View filing |
| FRANKLIN WIRELESS CORP | New registration | FKWL | 1997-12-09 | View filing |
| POWER INTEGRATIONS INC | Amended registration | POWI | 1997-12-09 | View filing |
| POOL CORP | Amended registration | POOL | 1997-12-09 | View filing |
| NRG ENERGY, INC. | Amended registration | NRG | 1997-12-03 | View filing |
| IES Holdings, Inc. | Amended registration | IESC | 1997-11-28 | View filing |
| Vericel Corp | Priced - final prospectus | VCEL | 1997-11-26 | View filing |
| MERCURY SYSTEMS INC | New registration | MRCY | 1997-11-26 | View filing |
| PC CONNECTION INC | New registration | CNXN | 1997-11-26 | View filing |
| Vericel Corp | Amended registration | VCEL | 1997-11-25 | View filing |
| POWER INTEGRATIONS INC | Amended registration | POWI | 1997-11-24 | View filing |
| AFFILIATED MANAGERS GROUP, INC. | Priced - final prospectus | AMG | 1997-11-24 | View filing |
| VERISIGN INC/CA | New registration | VRSN | 1997-11-21 | View filing |
| Vericel Corp | Amended registration | VCEL | 1997-11-21 | View filing |
| LIGAND PHARMACEUTICALS INC | Amended registration | LGND | 1997-11-21 | View filing |
| Vericel Corp | Amended registration | VCEL | 1997-11-20 | View filing |
| AFFILIATED MANAGERS GROUP, INC. | Amended registration | AMG | 1997-11-20 | View filing |
| POOL CORP | Amended registration | POOL | 1997-11-20 | View filing |
| AFFILIATED MANAGERS GROUP, INC. | Amended registration | AMG | 1997-11-19 | View filing |
| CHEESECAKE FACTORY INC | Priced - final prospectus | CAKE | 1997-11-18 | View filing |
| LIGAND PHARMACEUTICALS INC | Amended registration | LGND | 1997-11-18 | View filing |
| MKS INC | New registration | MKSI | 1997-11-14 | View filing |
| AFFILIATED MANAGERS GROUP, INC. | Amended registration | AMG | 1997-11-14 | View filing |
| POOL CORP | New registration | POOL | 1997-11-14 | View filing |
| SONIC AUTOMOTIVE INC | Priced - final prospectus | SAH | 1997-11-13 | View filing |
| SONIC AUTOMOTIVE INC | Priced - final prospectus | SAH | 1997-11-13 | View filing |
| NRG ENERGY, INC. | Amended registration | NRG | 1997-11-12 | View filing |
| HERITAGE FINANCIAL CORP /WA/ | Amended registration | HFWA | 1997-11-10 | View filing |
| WILLIS LEASE FINANCE CORP | New registration | WLFC | 1997-11-10 | View filing |
| POWER INTEGRATIONS INC | Amended registration | POWI | 1997-11-10 | View filing |
| METTLER TOLEDO INTERNATIONAL INC/ | Amended registration | MTD | 1997-11-10 | View filing |