Boston is home to 18 unicorn startups, with a strong presence in the security and enterprise software sectors. Cybersecurity company Snyk leads the group with a $7.4B valuation.
The list also includes AI platform DataRobot, which has raised $1.1B, and healthcare software firm Reify Health, valued at $5B.
Below is the full list of 18 Boston unicorn startups at this time.
Top 10 Most Valuable Boston Unicorns
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250 BioTech & Health Investors
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250 AI Investors
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250 Fintech Investors
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Get the Sheet for $50Snyk builds a developer security platform that finds and automatically fixes vulnerabilities in code, open source dependencies, and cloud native applications. Their tools integrate directly into the development process, helping teams build securely without slowing down.
| Valuation | $7.4B (Joined January 2020) |
| Year Founded | 2015 |
| Founders | Assaf Hefetz, Danny Grander, Guy Podjarny |
| Funding Amount | $1.2B |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Corporate Round |
| Top Investors | Franklin Templeton, Coatue, BlackRock, Temasek Holdings, Accel |
DataRobot has developed an enterprise AI platform that helps organizations build, deploy, and manage machine learning models. They combine this technology with services focused on delivering a clear return on investment for their global enterprise clients.
| Valuation | $6.3B (Joined July 2019) |
| Year Founded | 2012 |
| Founders | Jeremy Achin, Thomas DeGodoy |
| Funding Amount | $1.1B |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Series G |
| Top Investors | Techstars, B Capital, Franklin Templeton, BlackRock, Sapphire Ventures |
Reify Health builds software solutions designed to modernize the clinical trial ecosystem. Their platform connects pharmaceutical companies with research sites to accelerate the development of new therapies.
| Valuation | $5B (Joined August 2021) |
| Year Founded | 2012 |
| Founders | Henry Li, Joseph Abrahamson, Michael Lin, Pramod Verma, Ralph Passarella |
| Funding Amount | $479.6M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Series D |
| Top Investors | ICONIQ Growth, Adams Street Partners, Sierra Ventures, Coatue, Battery Ventures |
OutSystems develops a high-performance low-code platform for building, deploying, and managing enterprise-grade applications. They are known for integrating AI to help businesses create complex software solutions with greater speed and efficiency.
| Valuation | $4.3B (Joined June 2018) |
| Year Founded | 2001 |
| Founders | Paulo Rosado, Rodrigo Coutinho, Rui Pereira |
| Funding Amount | $802.1M |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Series G |
| Top Investors | Tiger Global Management, General Atlantic, Goldman Sachs Growth Equity, Goldman Sachs, Kohlberg Kravis Roberts |
WHOOP develops a wearable device and analytics platform that helps athletes optimize their performance. The system tracks key biometrics like sleep, strain, and recovery to provide personalized coaching and health insights.
| Valuation | $4B (Joined October 2020) |
| Year Founded | 2012 |
| Founders | Aurelian Nicolae, John Capodilupo, Will Ahmed |
| Funding Amount | $404.8M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Series F |
| Top Investors | Two Sigma Ventures, Founder Collective, IVP, Foundry Group, NextView Ventures |
G-P provides a global employment platform that lets companies hire talent in new international markets without setting up local entities. Their platform manages the complexities of cross-border payroll, benefits, and legal compliance, enabling businesses to build teams anywhere.
| Valuation | $4B |
| Year Founded | 2012 |
| Founders | Nicole Sahin |
| Funding Amount | $350M |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Private Equity |
| Top Investors | Sands Capital Ventures, Vista Credit Partners, TDR Capital, Wincove |
Starburst offers a data lakehouse platform that gives data teams a single point of access to information stored across cloud and on-premise environments. Their technology is built on the open-source Trino query engine, allowing companies to run fast analytics on data without moving it.
| Valuation | $3.35B (Joined January 2021) |
| Year Founded | 2017 |
| Founders | Anu Sudarsan, Kamil Bajda-Pawlikowski, Matt Fuller, Wojciech Biela |
| Funding Amount | $414M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Venture Round |
| Top Investors | Index Ventures, Coatue, B Capital, Andreessen Horowitz, Citi |
Transmit Security builds a comprehensive identity platform that helps companies manage customer authentication and authorization. They specialize in fraud protection and orchestration services to create secure, seamless user experiences.
| Valuation | $3B (Joined June 2021) |
| Year Founded | 2014 |
| Founders | Mickey Boodaei, Rakesh K. Loonkar |
| Funding Amount | $583M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Series A |
| Top Investors | Geodesic Capital, SYN Ventures, General Atlantic, Insight Partners, Cyberstarts |
Aura builds an AI-powered digital safety platform that protects individuals and their families from online threats. Their all-in-one service bundles identity theft protection, credit monitoring, and other privacy tools into a single subscription.
| Valuation | $2.5B (Joined June 2021) |
| Year Founded | 2017 |
| Founders | Hari Ravichandran |
| Funding Amount | $662.7M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Series G |
| Top Investors | Accel, Ten Eleven Ventures, General Catalyst, Warburg Pincus, WndrCo |
BitSight develops a security ratings platform to help companies manage cyber risk. They provide objective data that shows the security performance of an organization and its vendors.
| Valuation | $2B |
| Year Founded | 2011 |
| Founders | Nagarjuna Venna, Stephen Boyer |
| Funding Amount | $399M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Corporate Round |
| Top Investors | Notable Capital, Warburg Pincus, Menlo Ventures, Flybridge, National Science Foundation |
The Remaining 8 Unicorns Founded in Boston
Boston's top ten unicorns are only part of the picture. The city is also home to a diverse group of companies tackling everything from AI and analytics to food delivery.
Combined, they have raised billions of dollars to build their products and expand their teams. Here’s a look at the other unicorns that make Boston’s startup scene one to watch.