Just because everyone from Ashton Kutcher to Kevin Durant are getting into startups doesn't mean they're all success stories.

After all, nine out of 10 startups will end up failing, and that means the money that venture capitalists put into funding these ideas can disappear too. From analyzing just 12 startups that failed this year, PitchBook found that around $1.4 billion in VC funding wasn't enough to save these businesses.

Theranos, a blood-testing startup, is one of 2018's most notable failures. The company racked up close to $1 billion in funding before questions about the technology and fraud charges against the CEO caused the Theranos to dissolve.

Here are 12 startups that failed in 2018: