10 startups that became worth billions in record time

Lemon Art / Flickr, CC

In the startup world, the odds of a company achieving a valuation of $1 billion or more is considered so slim, it's named after a mythical beast - the unicorn.

In the entire US, there are just 135 private companies that are valued at over a billion dollars or more. Of those, only ten became so-called unicorns in less than three years, setting the speed record for all the rest.

Complimentary Tech Event

Transform talent with learning that works

Capability development is critical for businesses who want to push the envelope of innovation.Discover how business leaders are strategizing around building talent capabilities and empowering employee transformation.Know More

This list, based on data from Pitchbook, rounds up all of the companies in the US that hit the $1 billion valuation mark in record time.