AuthenTec Inc., a Melbourne, Fla.-based provider of fingerprint sensors, raised $82.5 million in its IPO. It priced 7.5 million common shares at $11 per share ($9-$11 range), for an initial valuation of approximately $286 million. It will trade on the Nasdaq under ticker symbol AUTH, while Lehman Brothers served as lead underwriter. It had raised $71 million since 1999, from firms like Sierra Ventures (20.8% pre-IPO stake), Harris Corp. (18.7%), Carlyle Venture Partners (12.8%), Advantage Capital Partners (8.6%), Newlight Associates, TI Ventures, Knickerbocker LLC, Bencas Capital and Stonehenge Capital. www.authentec.com