Y Combinator has helped launch 82 companies that have reached unicorn status. These businesses operate across many sectors, including artificial intelligence and financial technology.
The group is led by autonomous vehicle company Cruise, with a valuation of $30 billion. It also includes companies like Deel and Rippling, which focus on workforce management and are each valued at $17 billion.
Below is the full list of 82 YC-backed unicorn startups at this time.
Top 10 Most Valuable Unicorns Backed by Y Combinator
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2,189 Accelerators & Incubators
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1,600+ Unicorns
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250 BioTech & Health Investors
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250 AI Investors
List of 250 startup investors in the AI and Machine Learning industries, along with their Twitter, LinkedIn, and email addresses.
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250 Fintech Investors
List of 250 startup investors in the FinTech and Finance industries, along with their Twitter, LinkedIn, and email addresses.
Get the Sheet for $50Cruise develops and operates a fleet of all-electric, self-driving vehicles for urban environments. Their driverless ride-hailing service, accessible via a mobile app, aims to provide a safer and more convenient way to get around cities.
| Valuation | $30B |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2013 |
| Founders | Daniel Kan, Kyle Vogt |
| Funding Amount | $16B |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Corporate Round |
| Top Investors | General Motors, Y Combinator, SV Angel, Spark Capital, Founder Collective |
Deel has built an all-in-one platform for companies to hire and manage international teams. Their software handles the complexities of global payroll, HR, and compliance so businesses can onboard talent from anywhere.
| Valuation | $17B (Joined April 2021) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2019 |
| Founders | Alex Bouaziz, Ofer Simon, Shuo Wang |
| Funding Amount | $1.3B |
| Company Size | Enterprise Organization (5,001+) |
| Last Funding Status | Series E |
| Top Investors | Y Combinator, Franklin Templeton, General Catalyst, Andreessen Horowitz, Spark Capital |
Rippling builds a workforce platform designed to manage a company's HR, IT, and finance operations. Their all-in-one system automates everything from employee onboarding and payroll to software provisioning and expense management.
| Valuation | $17B (Joined August 2020) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2016 |
| Founders | Parker Conrad, Prasanna Sankar |
| Funding Amount | $2.4B |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Series G |
| Top Investors | Y Combinator, Coatue, Sequoia Capital, Founders Fund, Abstract |
OpenSea operates the world's first and largest digital marketplace for crypto collectibles and non-fungible tokens (NFTs). Their platform gives creators and collectors a place to mint, buy, and sell a vast array of digital assets.
| Valuation | $13.3B (Joined July 2021) |
| Headquarters | New York, New York, United States |
| Year Founded | 2017 |
| Founders | Alex Atallah, Devin Finzer |
| Funding Amount | $427.2M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Series C |
| Top Investors | Republic, Founders Fund, Paradigm, Y Combinator, Andreessen Horowitz |
Brex builds financial software and services for scaling companies. They provide corporate cards and cash management accounts to help businesses control spending and simplify their financial operations.
| Valuation | $12.3B (Joined October 2018) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2017 |
| Founders | Henrique Dubugras, Pedro Franceschi |
| Funding Amount | $1.7B |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Venture Round |
| Top Investors | IVP, Y Combinator, Base10 Partners, Citi, Endeavor Catalyst |
Whatnot runs a popular livestream shopping platform for buying and selling goods through live auctions. The marketplace brings together communities of collectors and enthusiasts trading everything from sneakers and sports cards to vintage clothing.
| Valuation | $12B (Joined September 2021) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2019 |
| Founders | Grant LaFontaine, Logan Head |
| Funding Amount | $974.7M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Series F |
| Top Investors | Andreessen Horowitz, Y Combinator, Sequoia Capital, Bond, Lightspeed Venture Partners |
Gusto builds an all-in-one platform that simplifies payroll, benefits, and HR for modern businesses. They are recognized for creating a user-friendly system that handles complex tasks like employee onboarding, health insurance, and retirement plans.
| Valuation | $10B (Joined December 2015) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2011 |
| Founders | Edward Kim, Josh Reeves, Tomer London |
| Funding Amount | $746.1M |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Venture Round |
| Top Investors | Pear VC, General Catalyst, Y Combinator, Slow Ventures, Kleiner Perkins |
Niantic develops augmented reality technology and games that bring adventures to the real world. Their most famous creation is the wildly popular mobile game Pokémon GO, which uses AR to let players catch virtual creatures in their own neighborhoods.
| Valuation | $9B (Joined November 2017) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2010 |
| Founders | John Hanke, Phil Keslin |
| Funding Amount | $770M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Series D |
| Top Investors | Spark Capital, IVP, Battery Ventures, Founders Fund, Y Combinator |
Flock Safety builds a network of cameras that capture objective evidence for law enforcement and private communities. Their system is designed to capture vehicle details, like license plates, giving police actionable leads to solve cases faster.
| Valuation | $8B (Joined July 2021) |
| Headquarters | Atlanta, Georgia, United States |
| Year Founded | 2017 |
| Founders | Garrett Langley, Matt Feury |
| Funding Amount | $655.6M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Series F |
| Top Investors | Y Combinator, Founders Fund, Tiger Global Management, Andreessen Horowitz, Spark Capital |
Flexport provides a full-service logistics platform to manage the complexities of global trade. Their software simplifies freight forwarding and gives businesses more control over their supply chain.
| Valuation | $8B (Joined April 2018) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2013 |
| Founders | David Petersen, Ryan Petersen |
| Funding Amount | $2.7B |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Venture Round |
| Top Investors | BoxGroup, Founders Fund, FPV Ventures, Y Combinator, Andreessen Horowitz |
The Remaining 72 Unicorns Backed by Y Combinator
Beyond the top ten, dozens of other companies are also reaching major milestones. They are solving different problems and growing at a pace that sets them apart.
Many of these businesses are being built far from Silicon Valley, in places like India, Mexico, and Indonesia. Here’s a look at the full group of unicorn startups shaping the YC community.