There were a lot of outliers in the US market for drug developer initial public offerings in 2018, including the biggest-ever biopharmaceutical IPO, but on average the returns on these investments were negative by the end of the year.
IPO Update: Returns Run Red For Most Biopharma Firms That Went Public In The US Last Year
Nearly two-thirds of the 67 drug developers that launched an IPO in 2018 were trading below their offering price at the end of the year, bringing the average return to -7.5%. Even so, biopharma companies continue to line up for a US stock market debut.

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