We published a list of launched YC companies we’ve funded since 2005. 

See it here.

The list was opt-in, so not every company we’ve ever funded is listed. 
Quick stats (which you can find here):
– As of today, YC has funded 1,382 companies (including Fellowship companies)

– Total market cap of YC alum: $70B 

– Total money raised by YC companies: $10B 
– Number of YC companies worth more than $1B: 10
– Number of YC companies worth more than $100 million: 52