Polytechnique Ventures is a Paris-based venture capital fund backing startups from the Polytechnique innovation and entrepreneurship ecosystem. It invests mainly in pre-seed, seed and Series A rounds, with initial tickets typically €250k to €1m and occasional Series B participation. The firm focuses on deep tech across France, Europe and the United Kingdom, including energy, climate, mobility, aerospace, healthtech, robotics, materials, IoT, cybersecurity, finance, biotechnology, oncology, AI-enabled life sciences and industrial technology.