IPO Preview: Biohaven Pharmaceuticals By: TalkMarkets May 03, 2017 at 08:55 AM EDT Biohaven Pharmaceuticals expects to raise $112.6 million in its upcoming IPO ($130.1 million if the underwriters exercise their option to purchase additional shares). Read More >> Related Stocks: Alder Biopharma Allergan Plc Amgen Eli Lilly Shire Plc Ads Wells Fargo