Andreessen Horowitz's portfolio includes 125 unicorn companies. The list is led by companies like OpenAI with a $500B valuation and SpaceX, valued at $400B.
The portfolio shows a strong focus on artificial intelligence, with recent additions like xAI reaching a $50B valuation just a year after its founding.
Below is the full list of 125 a16z-backed unicorn startups at this time.
Top 10 Most Valuable Unicorns Backed by Andreessen Horowitz
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2,189 Accelerators & Incubators
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1,600+ Unicorns
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250 BioTech & Health Investors
List of startup investors in the BioTech, Health, and Medicine industries, along with their Twitter, LinkedIn, and email addresses.
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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 $50OpenAI develops advanced AI models and makes them available through various products and platforms. They are the research company behind ChatGPT, a highly capable conversational AI that has seen massive adoption.
| Valuation | $500B (Joined July 2019) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2015 |
| Founders | Andrej Karpathy, Durk Kingma, Elon Musk, Greg Brockman, Ilya Sutskever, John Schulman, Pamela Vagata, Sam Altman, Trevor Blackwell, Vicki Cheung, Wojciech Zaremba |
| Funding Amount | $78B |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Venture Round |
| Top Investors | TPG, NVIDIA, Andreessen Horowitz, Citi, Sequoia Capital |
SpaceX designs, manufactures, and launches some of the world's most advanced rockets and spacecraft. They are best known for their reusable Falcon rocket family and for pioneering commercial spaceflight.
| Valuation | $400B (Joined December 2012) |
| Headquarters | Hawthorne, California, United States |
| Year Founded | 2002 |
| Founders | Elon Musk |
| Funding Amount | $11.8B |
| Company Size | Enterprise Organization (5,001+) |
| Last Funding Status | Venture Round |
| Top Investors | Sequoia Capital, Founders Fund, Craft Ventures, Valor Equity Partners, Andreessen Horowitz |
Databricks created the data lakehouse, a unified platform for managing data, analytics, and AI. Their architecture helps teams simplify everything from data pipelines to machine learning models within a single collaborative space.
| Valuation | $100B (Joined February 2019) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2013 |
| Founders | Ali Ghodsi, Andy Konwinski, Arsalan Tavakoli-Shiraji, Ion Stoica, Matei Zaharia, Patrick Wendell, Reynold Xin |
| Funding Amount | $21.8B |
| Company Size | Enterprise Organization (5,001+) |
| Last Funding Status | Series J |
| Top Investors | NVIDIA, Gaingels, Andreessen Horowitz, Franklin Templeton, Blue Owl |
Stripe builds financial infrastructure for the internet, offering a suite of APIs for payment processing and commerce solutions. Companies use their software to accept payments, manage their business online, and launch new revenue streams.
| Valuation | $92B (Joined January 2014) |
| Headquarters | South San Francisco, California, United States |
| Year Founded | 2010 |
| Founders | John Collison |
| Funding Amount | $9.4B |
| Company Size | Enterprise Organization (5,001+) |
| Last Funding Status | Venture Round |
| Top Investors | Founders Fund, Khosla Ventures, Andreessen Horowitz, Sequoia Capital, General Catalyst |
xAI builds artificial intelligence tools to accelerate scientific discovery. Their conversational AI, Grok, is designed to answer questions with a bit of wit and access real-time information from the X platform.
| Valuation | $50B (Joined May 2024) |
| Headquarters | Burlingame, California, United States |
| Year Founded | 2023 |
| Founders | Christian Szegedy, Elon Musk, Greg Yang, Igor Babuschkin, Kyle Kosic, Manuel Kroiss, Toby Pohlen, Yuhuai Wu |
| Funding Amount | $22.7B |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Corporate Round |
| Top Investors | Tribe Capital, Andreessen Horowitz, BlackRock, Sequoia Capital, NVIDIA |
Waymo builds the technology behind fully autonomous vehicles, aiming to improve safety and access to transportation. They currently operate a public ride-hailing service, Waymo One, and are developing autonomous solutions for the trucking industry.
| Valuation | $45B |
| Headquarters | Mountain View, California, United States |
| Year Founded | 2009 |
| Founders | Anthony Levandowski, Sebastian Thrun |
| Funding Amount | $11.1B |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Series C |
| Top Investors | Fidelity, Tiger Global Management, Temasek Holdings, Silver Lake, Andreessen Horowitz |
Ripple creates blockchain-powered solutions for cross-border payments and digital asset custody. Their global payments network, RippleNet, enables financial institutions to settle international transactions in seconds, not days.
| Valuation | $40B (Joined December 2019) |
| Headquarters | San Francisco, California, United States |
| Year Founded | 2012 |
| Founders | Arthur Britto, Chris Larsen, Jed McCaleb, Ryan Fugger |
| Funding Amount | $793.8M |
| Company Size | Large Team (251-1,000) |
| Last Funding Status | Venture Round |
| Top Investors | Abstract, Lightspeed Venture Partners, Citadel Securities, Pantera Capital, Andreessen Horowitz |
Safe Superintelligence is developing artificial intelligence with safety as its foundational and only goal. Their entire product and research effort is aimed at creating a superintelligence that is provably safe for humanity.
| Valuation | $32B (Joined September 2024) |
| Headquarters | Palo Alto, California, United States |
| Year Founded | 2024 |
| Founders | Daniel Gross, Daniel Levy, Ilya Sutskever |
| Funding Amount | $3B |
| Company Size | Lean Team (11-50) |
| Last Funding Status | Venture Round |
| Top Investors | SV Angel, Lightspeed Venture Partners, Andreessen Horowitz, NVIDIA, Sequoia Capital |
Anduril Industries builds advanced defense technology for military agencies and border surveillance, with a focus on autonomous systems. Their products use AI-powered software and hardware to provide a unified, real-time picture for national security operations.
| Valuation | $31B |
| Headquarters | Costa Mesa, California, United States |
| Year Founded | 2017 |
| Founders | Brian Schimpf, Joseph Chen, Matt Grimm, Palmer Luckey, Trae Stephens |
| Funding Amount | $6.2B |
| Company Size | Major Organization (1,001-5,000) |
| Last Funding Status | Series G |
| Top Investors | Valor Equity Partners, BlackRock, Andreessen Horowitz, Lightspeed Venture Partners, General Catalyst |
Fanatics manufactures and sells licensed sports merchandise, offering a wide range of fan gear and jerseys. They partner with major sports leagues around the world, making them a primary retailer for official team apparel.
| Valuation | $31B (Joined June 2012) |
| Headquarters | Jacksonville, Florida, United States |
| Year Founded | 2002 |
| Founders | Alan Trager, Jason Watkins, Josh Luber, Michael Rubin, Mitch Trager |
| Funding Amount | $4.9B |
| Company Size | Enterprise Organization (5,001+) |
| Last Funding Status | Private Equity |
| Top Investors | Andreessen Horowitz, Franklin Templeton, Bank of America, Insight Partners, BlackRock |
The Remaining 115 Unicorns Backed by a16z
The ten most valuable companies are just a fraction of the story. Across sectors, founders are building standout companies in fields like artificial intelligence and financial technology.
These startups have collectively raised tens of billions of dollars to grow their businesses. Here’s a look at the other high-growth companies backed by Andreessen Horowitz.