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The Full List of 18 Unicorn Startups in Boston (2026)

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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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Snyk 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 Founded2015
FoundersAssaf Hefetz, Danny Grander, Guy Podjarny
Funding Amount$1.2B
Company SizeMajor Organization (1,001-5,000)
Last Funding StatusCorporate Round
Top InvestorsFranklin 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 Founded2012
FoundersJeremy Achin, Thomas DeGodoy
Funding Amount$1.1B
Company SizeLarge Team (251-1,000)
Last Funding StatusSeries G
Top InvestorsTechstars, 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 Founded2012
FoundersHenry Li, Joseph Abrahamson, Michael Lin, Pramod Verma, Ralph Passarella
Funding Amount$479.6M
Company SizeLarge Team (251-1,000)
Last Funding StatusSeries D
Top InvestorsICONIQ 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 Founded2001
FoundersPaulo Rosado, Rodrigo Coutinho, Rui Pereira
Funding Amount$802.1M
Company SizeMajor Organization (1,001-5,000)
Last Funding StatusSeries G
Top InvestorsTiger 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 Founded2012
FoundersAurelian Nicolae, John Capodilupo, Will Ahmed
Funding Amount$404.8M
Company SizeLarge Team (251-1,000)
Last Funding StatusSeries F
Top InvestorsTwo 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 Founded2012
FoundersNicole Sahin
Funding Amount$350M
Company SizeMajor Organization (1,001-5,000)
Last Funding StatusPrivate Equity
Top InvestorsSands 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 Founded2017
FoundersAnu Sudarsan, Kamil Bajda-Pawlikowski, Matt Fuller, Wojciech Biela
Funding Amount$414M
Company SizeLarge Team (251-1,000)
Last Funding StatusVenture Round
Top InvestorsIndex 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 Founded2014
FoundersMickey Boodaei, Rakesh K. Loonkar
Funding Amount$583M
Company SizeLarge Team (251-1,000)
Last Funding StatusSeries A
Top InvestorsGeodesic 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 Founded2017
FoundersHari Ravichandran
Funding Amount$662.7M
Company SizeLarge Team (251-1,000)
Last Funding StatusSeries G
Top InvestorsAccel, 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 Founded2011
FoundersNagarjuna Venna, Stephen Boyer
Funding Amount$399M
Company SizeLarge Team (251-1,000)
Last Funding StatusCorporate Round
Top InvestorsNotable 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.

Unicorn StartupMain IndustryYear FoundedAmount RaisedValuation
ezCater logo ezCaterFood2007$420.8M$2B
Salsify logo SalsifyAnalytics2012$452.6M$2B
Lusha logo LushaEnterprise2016$245M$2B
Creatio logo CreatioSaaS2014$268M$1.2B
Wasabi Technologies logo Wasabi TechnologiesCloud2015$581.6M$1B
Immuta logo ImmutaAnalytics2015$258.2M$1B
Lendbuzz logo LendbuzzAI2015$2.4B$1B
Vendr logo VendrInfrastructure2019$216M$1B

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