Lyft is wildly unprofitable and lost $911 million last year — here’s how other unprofitable companies fared after they went public

Lyft went public Friday at a valuation of more than $20 billion despite recording heavy losses ahead of its initial public offering.

Several other money-losing tech companies, like Uber and Pinterest, are preparing IPO filings.

Markets Insider has compiled several examples of money-losing tech firms going public – they range from bankruptcies at and Webvan to huge gains at Amazon.