Twilio's 300% surge this year has been a windfall for 107-year-old venture firm Bessemer By: CNBC.com News December 14, 2018 at 08:22 AM EST Bessemer made an early bet on Twilio, and opted to hold onto the shares long after the IPO. Read More >> Related Stocks: Nordstrom Salesforce Sendgrid Inc Twilio VeriSign Yelp Inc