Hortonworks raised $248M through several rounds including $50M Series D (Jul 24, 2014), $100M Series D (Mar 25, 2014) and $50M Series C (Jun 25, 2013) to commercialize an Apache Hadoop distribution and enterprise data platform. Founded in 2011, Hortonworks focused on an open-source approach to big data packaging and supporting Apache projects into a hardened distribution for enterprise use.