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

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

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

PTC Therapeutics, a US-based drugs developer for muscles, raises $144.4m on Nasdaq.

Samsung and Intel-backed YuMe has filed plans to raise $65m in an IPO.

RaQualia-backed Aratana Therapeutics raises $35m on Nasdaq after slashing valuation by 46% amid market volatility.

Google Ventures-backed digital coupon marketplace files for $230m IPO on Nasdaq.

Roche-backed biotechnology company files for $69m IPO.