Investment Firms in Mill Valley, California, United States
Nestled in the Marin County region just north of San Francisco, this location serves as a quieter residential base for venture capital professionals and entrepreneurs. Its ecosystem is characterized by a focus on early-stage investments, particularly in sectors like cybersecurity and healthcare. The area benefits from its proximity to the broader Bay Area's innovation networks while maintaining a distinct, community-oriented environment.
Mill Valley, California, United States's investment landscape is shaped by Healthcare, with 50% of its 4 investment firms focused on this sector. The most active by portfolio size are YL Ventures, Offline Ventures, and Aphelion Capital.
Healthcare dominates the investment landscape in Mill Valley, with 50% of investment firms focused on this sector.
Last updated: 7 October 2026
Investment Firms
4
Total Investments
92
Top Sector
Healthcare
Top Stage
Seed
Top Investment Sectors in Mill Valley
The most popular sector focus among Mill Valley investment firms is Healthcare, with 2 investment firms (50%) investing in the space. This is followed by Cybersecurity (1), Consumer (1), Hardware & Semiconductors (1), Crypto & Web3 (1).
Investment Stages in Mill Valley
Mill Valley investment firms are most active at the Seed stage (4 investment firms). This is followed by Series A (4), Series C (4), Series B (3), Pre-Seed (1).
YL Ventures
Mill Valley, California, United States
37 investments
Seed, Series A
Cybersecurity
Offline Ventures
Mill Valley, California, United States
35 investments
Seed, Series A
Consumer, Healthcare, Hardware & Semiconductors …
Aphelion Capital
Mill Valley, California, United States
15 investments
Series A, Seed
Healthcare, Biotech & Life Sciences
Redwood Trust
Mill Valley, California, United States
5 investments
Series A, Seed
Fintech, PropTech