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Boulder Ventures is a venture capital firm founded in 1995 and headquartered in Boulder, Colorado. The firm has a rich history of investing in high-potential companies, primarily within the Information Technology and Biotechnology sectors. Over its 30-year history, Boulder Ventures has deployed approximately $500 million across eight funds, with a recent fund, Fund IX, targeting $60 million, announced in January 2026.
The firm operates primarily in the Colorado Front Range and the Mid-Atlantic region, leveraging long-standing relationships with entrepreneurs and investors to identify and support promising startups. Boulder Ventures has built a diverse portfolio of 61 companies, achieving a notable exit rate of 46%, with 28 exits and 10 IPOs, including the significant acquisition of Array BioPharma by Pfizer for $11.8 billion in 2019.
With a team of experienced professionals, Boulder Ventures emphasizes being the first institutional investor in its portfolio companies, providing not only capital but also strategic guidance and support throughout their growth journey. The firm’s office is located at 1941 Pearl Street #300, Boulder, CO 80302.
Boulder Ventures invests primarily in the Information Technology and Biotechnology sectors, focusing on early-stage companies. The firm typically participates in Seed, Series A, and Series B rounds, with check sizes ranging from $1 million to $5 million. Boulder Ventures aims to be the first professional investor in high-potential companies, reserving significant capital for follow-on investments across multiple rounds.
The firm has a strong preference for companies located in the Colorado Front Range and the Mid-Atlantic region, specifically in areas such as Washington D.C., Virginia, and Maryland. Boulder Ventures seeks to partner with entrepreneurs who demonstrate a commitment to innovation and growth, particularly in enterprise software, life sciences, and developer tools. Their investment philosophy emphasizes careful pattern recognition under uncertainty and a commitment to realized returns over paper valuations.
Exclusions from their investment strategy include consumer apps without defensible moats, pure hardware, non-technical IT teams, and companies with unsustainable unit economics. This disciplined approach allows Boulder Ventures to maintain a strong portfolio of companies with high growth potential.
Boulder Ventures has built a diverse portfolio of 61 companies over its 30-year history, with notable investments in both realized and active companies. Key exits include:
Active portfolio companies include:
This diverse portfolio reflects Boulder Ventures' commitment to supporting innovative companies across key sectors, contributing to their strong exit rate and overall success.
Kyle Lefkoff - Founder & General Partner. Lefkoff has over 39 years of experience in venture capital and co-founded Array BioPharma, which was acquired by Pfizer for $11.8 billion. His background as a mountain guide informs his investing philosophy, emphasizing patience and careful decision-making.
Peter Roshko - General Partner. Roshko brings 38 years of venture capital experience, having previously served as a partner at Mohr Davidow Ventures from 1984 to 1998. His expertise spans various sectors, including IT and life sciences.
Kishen Mangat - General Partner. Mangat has 25 years of operating experience and founded BroadHop, which was sold to Cisco. His background in software and application development enhances Boulder Ventures' focus on technology investments.
Jonathan Perl - General Partner. Perl has 27 years of venture capital experience and leads sourcing and due diligence efforts in the Mid-Atlantic region. His extensive network and regional knowledge contribute to the firm's investment strategy.
Matthew Paul - Chief Financial Officer. Paul oversees the financial operations of Boulder Ventures, ensuring effective management of the firm's funds and investments.
To pitch Boulder Ventures, founders should use the contact form available on their website. A warm introduction is strongly preferred, as it increases the likelihood of a positive response. When preparing a pitch deck, it is essential to include key information such as the company's value proposition, market analysis, business model, and financial projections.
Founders should also highlight their team's expertise and any traction the company has achieved to date. Boulder Ventures typically responds to qualified deals within approximately one month, allowing for a thorough review process. It is advisable to be concise and clear in the pitch materials to facilitate effective communication.
In April 2026, Boulder Ventures participated in a $42 million Series A round for RapidFort, demonstrating their ongoing commitment to early-stage investments. Additionally, they led a $5 million seed round for Antithesis, showcasing their active involvement in supporting innovative startups.
Boulder Ventures also announced the closing of their eighth fund at $58 million in November 2022, further solidifying their position in the venture capital landscape. The firm is currently targeting a ninth fund with a goal of $60 million, which was announced in January 2026.
What are Boulder Ventures' investment criteria?
Boulder Ventures primarily invests in early-stage companies within the Information Technology and Biotechnology sectors. They focus on Seed, Series A, and Series B rounds, with check sizes typically ranging from $1 million to $5 million. The firm seeks to partner with entrepreneurs who demonstrate a commitment to innovation and growth.
How can I pitch Boulder Ventures?
Founders can pitch Boulder Ventures through their website contact form. A warm introduction is strongly preferred, and the firm typically responds to qualified deals within approximately one month.
What makes Boulder Ventures different from other VCs?
Boulder Ventures has a strong regional focus, primarily investing in the Colorado Front Range and the Mid-Atlantic region. Their disciplined investment strategy emphasizes being the first institutional investor in high-potential companies, along with a commitment to providing strategic guidance and support throughout the growth journey.
What is Boulder Ventures' follow-on investment behavior?
The firm reserves significant capital for follow-on investments, typically allocating over 40% of their fund for this purpose. This allows them to support their portfolio companies through multiple funding rounds.
What is the typical decision timeline for investments?
Boulder Ventures generally takes about one month to make decisions on qualified deals. This timeline allows them to conduct thorough due diligence while remaining responsive to entrepreneurs.
What types of companies does Boulder Ventures exclude from their investment strategy?
Boulder Ventures excludes consumer apps without defensible moats, pure hardware, non-technical IT teams, and companies with unsustainable unit economics from their investment strategy. This disciplined approach helps maintain a strong portfolio of high-potential companies.
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