Biotech IPOs Are Back: First Four For Fall Hit The Road

Companies, bankers and venture capital firms are taking advantage of a wide-open initial public offering window this fall. At least four biotech companies are currently on IPO road shows with offerings slated to price during the week of Sept. 16. This signals the beginning of what’s expected to be an onslaught of IPO fundraising over at least the next few months. And investors have seen solid gains on roughly four out of five biotech IPOs on U.S. markets this year.

But, as always, some are starting to wonder when the flood of supply will start to overwhelm investor demand. At least 14 biotechs that have publicly filed for an IPO...