Cantos

Cantos is a San Francisco, California-based venture capital firm that invests in pre-seed and seed-stage deep tech startups operating across climate technology, computational biology, aerospace, and advanced computing. The firm manages multiple investment vehicles, including its $50 million Fund III which closed in September 2022, and typically writes initial checks ranging from $100,000 to $3 million for technical founders. To date, the organization has completed over 100 investments in early-stage hardware and software technology companies, maintaining historical assets under management of between $25 million and $50 million. Its active investment portfolio features prominent deep tech companies such as Astranis, Solugen, and Radiant. The firm frequently collaborates with major institutional co-investors like Y Combinator and 8VC to help capitalize its target ventures across various industrial sectors. Cantos was originally founded in 2016 by Ian Rountree.

Cantos is a venture capital firm investing in pre-seed and seed-stage companies transforming the physical world. It backs deeply technical founders in critical industries, focusing on solutions merging science and engineering. Its strategy, called "near frontier," prioritizes practical advancements with tangible real-world impact.

Founded in 2016 by General Partner Ian Rountree, Cantos emerged from the insight that societal progress, environmental stewardship, and democratic values are best advanced by building foundational technology in essential industrial sectors. This belief guides the firm in empowering entrepreneurs creating significant breakthroughs.

Cantos partners with visionary founders addressing global challenges, providing crucial early-stage capital and strategic support. The firm's long-term vision accelerates innovations in climate technology, advanced manufacturing, and biological sciences. It empowers dedicated builders, contributing to a future shaped by meaningful physical world improvements.