At the end of every year, investment fund Rock Health asks the venture and start-up community to vote on the top digital health IPO of the year.
In 2017, Tabula Rasa Healthcare won -- even though the company actually went public in September 2016. It was such a drought that Rock Health couldn't find a single nominee for the calendar year.
Tabula Rasa, which is focused on medication safety, almost doubled in value last year, but still has a market capitalization well south of $1 billion.
Will the industry fare any better in 2018?
With investors gathered in San Francisco for the annual J.P. Morgan Healthcare conference, the industry's biggest event of the year, CNBC asked a dozen investors for their take.