Ingenuity Systems, the Redwood City, CA-based company that offers search capabilities to life scientists, has secured $15.3 million in a new equity financing, according to a regulatory filing. The company, founded in 1998 by Stanford University graduate students, says on its website that it uses semantic search and software development to help biologists search, visualize, and analyze data on genes, proteins, and small molecule drugs. The financing came in the form of Series E preferred stock, preferred shares that will be exchanged for previous securities, and convertible common stock, according to the filing. John Diekman of 5AM Ventures and Mark Wan of Three Arch Partners are on the board, according to the filing.