Duro Ventures

Duro Ventures is a San Francisco-based venture capital firm that primarily focuses on early-stage investments, particularly at the seed stage. The firm has carved out a niche in the "hard tech" or "deep tech" sector, with a strong emphasis on companies operating within the space, defense, and industrial industries. Their investment thesis revolves around identifying and supporting disruptive technologies and ambitious teams that are building foundational infrastructure for critical and technologically advanced sectors.

The firm's investment strategy is characterized by its participation in significant funding rounds for companies poised for substantial growth. Duro Ventures has built a notable portfolio, including early investments in companies that have achieved major milestones. For example, they were an early backer of Astra, a space launch company that successfully went public. More recently, Duro Ventures participated in the $16 million seed round for Hadrian, a company specializing in advanced manufacturing for aerospace and defense, and also joined the $42 million Series A round for Varda Space Industries, which is developing in-space manufacturing capabilities.

While Duro Ventures does not publicly disclose its typical check sizes, its participation in multi-million dollar seed and early Series A rounds suggests a specific investment range. Based on their portfolio and stage focus, initial investments from Duro Ventures typically range from approximately $500,000 to $3,000,000. The firm often co-invests alongside other prominent venture capital firms, indicating a collaborative approach to funding capital-intensive deep tech ventures. Their commitment to highly technical and often long-development-cycle sectors highlights a preference for companies with strong intellectual property and significant long-term strategic value.