Quicken Loans, the largest mortgage lender in the US, has filed to list on the stock market.
The Detroit-based powerhouse has filed confidentially with the US securities regulator, preparing for what could be the biggest IPO of the year.
Goldman Sachs, JPMorgan and Credit Suisse are thought to be managing the IPO.
A public listing could occur by the autumn and value the company in the tens of billions of dollars.
