Lyft was founded in 2012. They operate in 200+ cities in the U.S. cities. They've raised more than $2B and they're valued at $5.5B.
Udacity was founded in 2011 and is valued at over $1B.
Vox Media was also founded in 2011 and is also valued at over $1B.
Uptake was founded in 2014 and is valued at $1.1B.
Oscar was founded in 2013 and is valued at $1.7B.