BOULDER VENTURES
BOULDER VENTURES is a Seed, Series A and Series B fund in US-Colorado and US-Mid-Atlantic writing $250K–$20M checks into information-technology and biotechnology.
- Stages
- Seed, Series A, Series B
- Sectors
- information-technology, biotechnology
- Check size
- $250K–$20M
- Invests in
- US-Colorado, US-Mid-Atlantic
- Round role
- Leads rounds
- Actively investing
- Yes
- Founded
- 1995
- Assets under management
- $429M
- Website
- boulderventures.com
Thesis
Boulder Ventures is a venture capital firm established in 1995, headquartered in Boulder, Colorado. The firm focuses on early-stage investments in the Information Technology and Biotechnology sectors, with a geographic preference for the Colorado Front Range and the Mid-Atlantic region of the United States. Their strategy involves identifying and supporting high-potential companies from Seed, Series A, and Series B rounds, often acting as the first institutional investor. They reserve over 40% of capital for follow-on investments to support companies through growth stages. Boulder Ventures avoids consumer apps without defensibility, pure hardware, non-technical IT teams, and companies with unsustainable unit economics. They employ a disciplined approach emphasizing pattern recognition and realized returns. The firm has raised multiple funds, with Fund IX closing at $55 million in April 2026 and Fund VIII closing at $58 million in November 2022. Across eight funds, they have deployed approximately $500 million. Typical check sizes range from $1 million to $5 million, with some sources indicating a sweet spot of $250,000 and an average investment range of $25,000 to $20 million. Founders can submit pitches via their website, but warm introductions are preferred.
Common questions
Does BOULDER VENTURES invest at the Seed stage?
Yes. BOULDER VENTURES lists Seed, Series A and Series B among the stages it invests in.
What check size does BOULDER VENTURES write?
BOULDER VENTURES writes $250K–$20M checks.
Where does BOULDER VENTURES invest?
BOULDER VENTURES invests in US-Colorado and US-Mid-Atlantic.