Cyber attack protection provider files for $175m initial public offering.

Smart home firm Control4, backed by the University of Utah, raises $64m in its initial public offering.

Epizyme reports second quarter results including milestones reached and completion of its well-bought IPO.

Conatus Pharmaceuticals raised $66m in its IPO, before underwriting discounts, but its stock continues to trade below its offer price.

Oncanova Therapeutics closes its initial public offering (IPO) having raised $79.6m net proceeds.

Wisconsin-Madison spin-out Cellular Dynamics raises $46m in an IPO.

Google Ventures-backed digital coupon marketplace raises $191m in IPO on Nasdaq, with an initial market capitalisation of approximately $1.05bn.

Michigan cancer-fighting biotech spin-out lands $82m in IPO.

Bluebird Bio, a clinical-stage biotechnology company, raises $116.1m on Nasdaq.