Ra Pharma's $92 Million Debut is the Ninth Massachusetts Biotech IPO of 2016

Published: Oct 27, 2016

Wednesday’s initial public offering for Cambridge-based Ra Pharmaceuticals marked the ninth biotech startup to go public this year, tying the number in 2013 but still less than either of the two years since.

Ra, which has 40 employees in one of the former Pfizer buildings in Alewife, ended up with the third-largest IPO size for any Massachusetts-based biotech in 2016, with a total of $92 million raised from the sale of 7 million shares for $13 each. That’s more than the $86 million maximum deal size it specified in a federal filing in late September, and could increase by another $13 million with the sale of 1 million overallottment shares.

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