About This Fund
Mayfield Select III, also known as Mayfield Spring, is a $375 million venture capital fund launched by Mayfield in May 2023. This fund is designed to invest in Series B rounds, focusing on both follow-on investments in breakout companies from Mayfield's existing portfolio and new opportunities outside of it. The fund aims to support companies that have demonstrated early product-market fit and are poised for significant growth. The fund targets sectors at the intersection of technology and biology, including human-centered AI, the data economy, developer-first technologies, semiconductors, cybersecurity, deeptech, Web3, and human and planetary health. Mayfield's investment philosophy emphasizes a people-first approach, partnering closely with founders to build enduring companies. With Mayfield Select III, the firm continues its tradition of backing visionary entrepreneurs during pivotal growth stages, providing not just capital but also strategic guidance and support. The fund reflects Mayfield's commitment to fostering innovation and addressing some of the most pressing challenges and opportunities in today's rapidly evolving technological landscape.