Four Cities Capital is an early-stage venture capital firm based in Boston, Massachusetts, dedicated to partnering with visionary founders to build category-defining technology companies worldwide. The firm focuses on investing in Seed and Series A stages, targeting sectors such as FinTech, SaaS, Big Data & Analytics, PropTech, Artificial Intelligence & Machine Learning, Developer Tools, BioTech, ClimateTech & CleanTech, Productivity Tools, Creator Economy, Hardware, Cybersecurity, DeepTech, E-Commerce, EdTech, HR Tech, Enterprise, FemTech, Food and Beverage, InsurTech, IoT, Legal Tech, Marketing (MarTech), PaaS, RetailTech, Robotics, Sustainability, Software, and more. Their portfolio includes notable companies like Mashgin, Teleport, Jasper.ai, Mux, Pie Insurance, Care Revolutions, Relativity Space, Gecko Robotics, Roofr, Octant Bio, Boom Supersonic, Joy, SmithRx, Deel, Modern Treasury, Human Interest, and others.

The firm's investment philosophy centers on supporting founders with the ambition to disrupt industries and the resilience to execute at scale, aiming to build sustainable long-term competitive advantages.