The machine learning company, which counts General Electric among past backers, has completed a series C round featuring Citi.

US-based machine intelligence software provider Ayasdi secured $55m today in a series C round backed by investors including Citi Ventures, financial services firm Citi’s corporate venturing fund.

Kleiner Perkins Caufield & Byers led the round and was also joined by Institutional Venture Partners (IVP), Khosla Ventures, Floodgate, Centerview Capital and Draper Nexus.

Ayasdi produces software that uses topological data analysis (TDA) to extract intelligence from complex data sets. The technology, developed by computational mathematicians at Stanford University, is most commonly…