ET Capital

ET Capital is a Cambridge venture firm, founded in 1992, that invests in high-growth businesses built on the innovative application of technology. Its funds focus mainly on the science-based clusters around Cambridge, Oxford and London.

The firm has managed investments in more than 60 companies, three of which have floated and eight of which have had other profitable exits. Since 2004 it has managed Cambridge Research & Innovation, whose holdings included ADC Therapeutics, and it later ran the Carbon Order funds backing Carbon Engineering, acquired by Occidental in 2023. It also manages SEIS funds tied to the Carbon13 venture builder and, from 2025, Cambridge Venture Index funds.