It takes a long time to build a Unicorn... airbnb dropbox stripe twitch weebly machinezone were all funded >5 years ago... Unicorns in the past 5 years are Ins

It takes a long time to build a Unicorn... airbnb dropbox stripe twitch weebly machinezone were all funded >5 years ago... Unicorns in the past 5 years are Instacart and Zenefits (there will surely be others). In general it is hard to measure performance of the entire portfolio, much easier to measure performance of a class.