Alpha and Omega Semiconductor Files for IPO

Alpha and Omega Semiconductor Ltd., a Sunnyvale, Calif.-based chipmaker, has filed for a $116.4 million IPO. It plans to trade on the Nasdaq under ticker symbol AOSL, with Deutsche Bank Securities and Piper Jaffray serving as co-lead underwriters.

The company reports over $138 million in 2009 revenue, compared to $99 million in 2008 revenue.

Shareholders include Sequoia Capital (16.1% pre-IPO stake), Pacific Venture Partners (3.4%) and Hantech International Venture Capital (2.7%).