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Top Unicorn Startups in Boston for 2026

In Boston, we rank 18 unicorn startups based on an algorithm that considers factors such as total investment, quarterly employee count, and website traffic. Unicorns in Boston are falling behind the performance of their global counterparts.

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Top Unicorn Startups in Boston for 2026

1st
WHOOP logo
WHOOPSB Score: 672

WHOOP is the performance optimization system that tracks recovery, training, and sleeping hours thus helping elite athletes and teams win. The company provides athletes, coaches, and trainers with a continuous understanding of strain and recovery to balance training, reduce injuries, and predict performance. It creates a product that makes individuals and teams perform at a higher level through a deeper understanding of their bodies and daily lives. The WHOOP Strap 3.0 collects physiological data 24/7 to provide an accurate and granular understanding of the body. Aurelian Nicolae, John Capodilupo, and Will Ahmed established WHOOP in 2012 and in Boston, Massachusetts.

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Website
www.whoop.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$404.8M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
2nd
ezCater logo
ezCaterSB Score: 657

ezCater is revolutionizing the food delivery market by creating a one-stop shop for corporate events and private parties. With a blend of GrubHub, Airbnb, and Yelp, users can easily find, compare, and order catering for events ranging from $100 to $1,500, all with the confidence of reviews and advice at their fingertips.

View Full Page
Website
www.ezcater.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$420.8M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
3rd
Circle logo
CircleSB Score: 617

Circle is the company behind USDC stablecoin, which is widely used in decentralized finance (DeFi).

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Website
www.circle.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$285.3M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)

Total amount:17

Most Valuable Unicorns in Boston for 2026

The top three most valuable unicorns in Boston have raised total funding of more than USD 4.23B. Among the top three funded unicorns, the most popular industry, based on total funding, is Software & Data.
1st
Datarobot Pte. Ltd. logo
Datarobot Pte. Ltd.SB Score: 569

DataRobot delivers AI technology and ROI enablement services to global enterprises. DataRobot’s enterprise AI platform democratizes data science with end-to-end automation for building, deploying, and managing machine learning models.

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Website
www.datarobot.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$1.1B
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
2nd
Lightmatter logo
LightmatterSB Score: 502

Lightmatter uses light to create photonic compute chips specialized for AI. Untethered from the limits of Moore’s Law and Dennard Scaling, they’ve rewritten the rules of processor performance scaling by combining electronics, photonics, and new algorithms to create a next-generation computing platform purpose-built for artificial intelligence. Lightmatter is building the engines that will power discoveries, drive progress, and reduce our impact on the planet.

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Website
lightmatter.co
Employee range
251 – 500
Web Traffic (Monthly)
Funding amount
$822M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
4th
WHOOP logo
WHOOPSB Score: 672

WHOOP is the performance optimization system that tracks recovery, training, and sleeping hours thus helping elite athletes and teams win. The company provides athletes, coaches, and trainers with a continuous understanding of strain and recovery to balance training, reduce injuries, and predict performance. It creates a product that makes individuals and teams perform at a higher level through a deeper understanding of their bodies and daily lives. The WHOOP Strap 3.0 collects physiological data 24/7 to provide an accurate and granular understanding of the body. Aurelian Nicolae, John Capodilupo, and Will Ahmed established WHOOP in 2012 and in Boston, Massachusetts.

View Full Page
Website
www.whoop.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$404.8M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
5th
Indigo Ag logo
Indigo AgSB Score: 537

Indigo Ag harnesses beneficial plant microbes to naturally boost crop health and yield. With a robust product discovery platform, Indigo partners with crops like corn, soy, wheat, cotton, and vegetables to develop microbial solutions for sustainable agriculture.

View Full Page
Website
www.indigoag.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$1.4B
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
6th
Circle logo
CircleSB Score: 617

Circle is the company behind USDC stablecoin, which is widely used in decentralized finance (DeFi).

View Full Page
Website
www.circle.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$285.3M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
7th
BitSight logo
BitSightSB Score: 561

Founded in 2011, BitSight transforms how organizations manage information security risk. The BitSight Security Ratings Platform applies sophisticated algorithms, producing daily security ratings that range from 250 to 900, to help manage third party risk, underwrite cyber insurance policies, benchmark performance, conduct M&A due diligence and assess aggregate risk. Organizations worldwide, including seven of the top 10 cyber insurers, 20% of Fortune 500 companies, and 3 of the top 5 investment banks use BitSight’s proven Security Ratings technology on a daily basis to make integral risk and business decisions. With over 1,000 customers and the largest ecosystem of users and information, BitSight is the most widely used Security Ratings Service. For more information, please visit www.bitsighttech.com or follow @BitSight on Twitter.

View Full Page
Website
www.bitsight.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$399M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
8th
Salsify logo
SalsifySB Score: 606

Salsify enables brands to monitor and optimize their products' digital shelf performance, from inventory management to sales tracking. Empowering businesses with tools to enhance their online presence and drive sales.

View Full Page
Website
salsify.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$452.6M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
9th
ConcertAI logo
ConcertAISB Score: 514

ConcertAI leverages AI technology to create innovative healthcare solutions, specializing in oncology research tools. Their SaaS platform provides advanced data analysis for medical professionals, revolutionizing the way cancer research is conducted.

View Full Page
Website
www.concertai.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
$300M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
10th
CFGI logo
CFGISB Score: 206

CFGi is a financial consulting firm that focuses on solving intricate accounting, tax, and compliance challenges for businesses. Specializing in corporate finance, they provide expert guidance to navigate complex financial issues with ease.

View Full Page
Website
www.cfgi.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)

Total amount:17

Top Hiring Unicorns in Boston by Employee Number

The top three hiring unicorns in Boston have an average employee size that is smaller than to the global average. Among these, the Software & Data industry features the unicorn with the largest workforce.
1st
ConcertAI logo
ConcertAISB Score: 514

ConcertAI leverages AI technology to create innovative healthcare solutions, specializing in oncology research tools. Their SaaS platform provides advanced data analysis for medical professionals, revolutionizing the way cancer research is conducted.

View Full Page
Website
www.concertai.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
$300M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
2nd
CFGI logo
CFGISB Score: 206

CFGi is a financial consulting firm that focuses on solving intricate accounting, tax, and compliance challenges for businesses. Specializing in corporate finance, they provide expert guidance to navigate complex financial issues with ease.

View Full Page
Website
www.cfgi.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
3rd
WHOOP logo
WHOOPSB Score: 672

WHOOP is the performance optimization system that tracks recovery, training, and sleeping hours thus helping elite athletes and teams win. The company provides athletes, coaches, and trainers with a continuous understanding of strain and recovery to balance training, reduce injuries, and predict performance. It creates a product that makes individuals and teams perform at a higher level through a deeper understanding of their bodies and daily lives. The WHOOP Strap 3.0 collects physiological data 24/7 to provide an accurate and granular understanding of the body. Aurelian Nicolae, John Capodilupo, and Will Ahmed established WHOOP in 2012 and in Boston, Massachusetts.

View Full Page
Website
www.whoop.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$404.8M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
4th
ezCater logo
ezCaterSB Score: 657

ezCater is revolutionizing the food delivery market by creating a one-stop shop for corporate events and private parties. With a blend of GrubHub, Airbnb, and Yelp, users can easily find, compare, and order catering for events ranging from $100 to $1,500, all with the confidence of reviews and advice at their fingertips.

View Full Page
Website
www.ezcater.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$420.8M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)

Total amount:18

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