InvestorAndreessen Horowitz, also known as a16z, is a prominent venture capital firm based in Silicon Valley, founded in 2009. The firm invests across various sectors, supporting companies from early-stage startups to growth-stage firms.
Atlas Venture
Atlas Venture is a biotechnology venture capital firm based in Cambridge, Massachusetts, focusing on early-stage biotech companies. They emphasize a collaborative, science-first approach to drug development.
Online destinations
Find Atlas Venture online
Where to find this organization online, grouped by who runs each page. A link here does not mean the organization controls it.
Official links
Pages the organization runs itself.
Third-party rankings
Where Atlas Venture ranks
| Ranking | Edition | Position | Since last edition | Trust | What it measures |
|---|---|---|---|---|---|
| Strebulaev-Jackson Venture Ranking: Top 50 Biotech VC Firms | 2026 | #5 | No prior edition | B | Performance |
| Strebulaev-Jackson Venture Ranking: Top 100 US VC Firms | 2026 | #38 | No prior edition | B | Performance |
Overview
Atlas Venture is a biotechnology venture capital firm founded over 30 years ago and based in Cambridge, Massachusetts. The organization focuses on creating and building breakthrough biotech companies. Their investment thesis emphasizes collaborative, science-first, and patient-centric drug development, targeting early-stage companies in the biotechnology sector. Notable portfolio companies include AAVantgarde Bio, Accent Therapeutics, Actelion, Alnylam Pharmaceuticals, Day One Biopharmaceuticals, Caldera Therapeutics, and Vima. Atlas Venture aims to translate high-impact science into medicines for patients.
Focus
Atlas Venture invests in the biotechnology sector, specifically targeting early-stage companies.
Support
Atlas provides hands-on venture creation alongside scientists, translating academic research into scalable biotech businesses and medicines for patients.
Questions
What are Atlas Venture's investment criteria?
Atlas Venture invests in early-stage biotech companies, specifically at the seed and Series A stages. They focus on companies that translate high-impact scientific research into medicines, particularly in sectors like gene therapy and precision oncology.
How can I apply or pitch to Atlas Venture?
Founders can pitch to Atlas Venture through their website at atlasventure.com/contact-us or via email at atlasventure@atlasventure.com. They recommend including a clear overview of the scientific innovation and its potential impact on healthcare.
What makes Atlas Venture different from other VC firms?
Atlas Venture emphasizes a hands-on approach to venture creation, working closely with scientists and entrepreneurs to build scalable biotech businesses. Their deep expertise in the biotech sector and collaborative model set them apart.
What is the geographic scope of Atlas Venture's investments?
Atlas Venture primarily invests in North America, with a strong focus on the biotech ecosystem in Cambridge, Massachusetts.
What is the typical check size for investments?
Atlas Venture typically invests between $2 million and $15 million in their portfolio companies, focusing on early-stage funding.
What kind of post-investment involvement does Atlas Venture have?
Atlas Venture is actively involved in the companies they invest in, providing operational support and strategic guidance to help translate scientific advancements into viable medical solutions.
Check your startup’s fit
Check your startup’s fit with Atlas VentureFrom public sources
What the sources say about Atlas Venture
PitchBook's public Atlas Venture preview lists Q32 Bio with deal date 2026-05-27.
Source: Atlas Venture investment portfolio | PitchBookPitchBook's public Atlas Venture preview lists Ethyreal Bio with deal date 2026-06-10.
Source: Atlas Venture investment portfolio | PitchBookPitchBook's public Atlas Venture preview lists Caldera Therapeutics with deal date 2026-07-29.
Source: Atlas Venture investment portfolio | PitchBookPitchBook's public Atlas Venture preview lists Obsidian Therapeutics with deal date 2026-08-03.
Source: Atlas Venture investment portfolio | PitchBookPitchBook's public Atlas Venture preview lists Matchpoint Therapeutics with deal date 2026-10-07.
Source: Atlas Venture investment portfolio | PitchBookThe supplied openvc reference displays the heading “Atlas Venture”.
Source: Atlas Venture | Investor Profile, Funding Criteria & Team
Similar investors
Organizations that do similar work to Atlas Venture.
Investor
InvestorSequoia Capital is a venture capital firm based in Silicon Valley, established in 1972. It invests in technology companies at various stages, focusing on long-term partnerships with founders.
InvestorBessemer Venture Partners is a venture capital firm based in Redwood City, California, with additional offices in major cities across the U.S. and internationally. The firm invests in a wide range of sectors, supporting entrepreneurs from early-stage startups to growth-oriented businesses.
InvestorKhosla Ventures is a venture capital firm based in Menlo Park, California, focusing on early-stage investments in technology-driven companies across various sectors, including fintech, healthcare, and sustainability.
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