
Cantos
Description
Cantos is a San Francisco-based pre-seed venture capital firm, founded by General Partner Ian Rountree, dedicated to investing in companies at the "near frontier" where software, hardware, and wetware converge. The firm distinguishes itself by focusing on highly technical and often disruptive innovations at their earliest stages. Their investment philosophy centers on identifying foundational technologies that have the potential to redefine industries, moving beyond conventional software-as-a-service models to embrace complex, interdisciplinary solutions.
The firm's strategic focus on the intersection of these three domains allows them to back startups developing cutting-edge solutions in areas such as advanced computing, robotics, biotech, and new materials. Cantos aims to be the very first institutional capital for these nascent companies, providing not just funding but also critical guidance and network access during the crucial pre-seed phase. This hands-on approach is designed to help founders navigate the initial challenges of product development, market validation, and team building, laying a strong foundation for future growth.
Cantos has demonstrated its commitment to this specialized niche through significant fundraising efforts, including the close of its Cantos Fund III in 2022, which secured $50 million in capital. This fund empowers Cantos to continue its mission of backing ambitious founders tackling complex problems. Typically, Cantos writes initial checks ranging from $500,000 to $1.5 million, reflecting their sweet spot for early-stage, high-potential ventures that require substantial early capital to de-risk and scale their innovative technologies. Their disciplined approach to identifying and nurturing these deep tech startups positions them as a key player in the early-stage venture ecosystem.
Investor Profile
Cantos has backed more than 108 startups, with 9 new investments in the last 12 months alone. The firm has led 12 rounds, about 11% of its total and boasts 8 exits across its portfolio.
Investment Focus Highlights
- Concentrates on Seed, Series A, Pre Seed rounds (top funding stages).
- Majority of deals are located in United States, United Kingdom, Canada.
- Strong thematic focus on Biotechnology, Software, Aerospace.
- Led 3 rounds in the past year.
- Typical check size: $500K – $1.5M.
Stage Focus
- Seed (56%)
- Series A (23%)
- Pre Seed (7%)
- Series B (6%)
- Convertible Note (6%)
- Debt Financing (1%)
- Series Unknown (1%)
Country Focus
- United States (94%)
- United Kingdom (3%)
- Canada (1%)
- Nigeria (1%)
Industry Focus
- Biotechnology
- Software
- Aerospace
- Health Care
- Fintech
- Internet
- Artificial Intelligence (Ai)
- Financial Services
- Information Technology
- Medical
Frequently Asked Questions
Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.