DemandTec, a San Carlos, Calif. company that sells software that helps businesses set prices, promotions and other marketing strategies to better appeal to consumers, has filed for an $86 million initial public offering.

DemandTec has raised about $50 million from Crosspoint Venture Partners (which has a 34.8 percent ownership of the company), Cargill Ventures (15.9 percent), Altos Ventures (8.3 percent) and Athena Technology Ventures.

(Originally written May 25)