Joanna Glasner Contributor More posts by this contributor Boston-area startups are on pace to overtake NYC venture totals Home run exits happen stealthily for biotech Unicorn exits are taking flight. With the IPO window wide open, an apparent record number of venture-backed companies privately valued over $1 billion have launched public offerings this year. Crunchbase data shows 23 unicorn IPOs globally so far in 2018, well outpacing full-year totals for 2016 and 2017. Collectively, this year’s newly public unicorns are doing pretty well too.