Founded in 1977, Matrix Partners is a venture capital firm specializing in seed, early stage, late stage and growth capital investments. It primarily invests in software and services, communications equipment, semiconductors, storage, Internet, and wireless sectors. The firm also seeks to invest in systems, online marketing, advertising, enterprise software, data services, web marketplaces, online and offline gambling, innovative online retail models, online media, publishing, consumer Internet, devices, energy, mobile, Internet infrastructure, networking, mobile, SaaS, technologies that lead to discontinuous jumps in productivity, cloud computing, open source, marketing automation, virtualization, storage, data center automation, systems management software, healthcare information technology, medical diagnostics, and clean technology. The firm seeks to invest over $10 million over multiple rounds, with an initial investment ranging between $2 million and $10 million.