SV Angel

Self-driving car technology company that developed autonomous vehicles for ride-hailing and delivery services. Founded as a Y Combinator startup, acquired by General Motors in 2016, and became one of the most heavily funded autonomous vehicle ventures in history before GM wound down its robotaxi operations in December 2024.

Online payment processing and financial infrastructure platform

Anduril Industries is a defense technology company building autonomous systems, AI software, and sensor hardware for military and national security applications. Founded by Oculus VR creator Palmer Luckey and former Palantir employees, the company builds products including autonomous drones, surveillance towers, underwater vehicles, and the Lattice AI platform that integrates sensors and effectors into a unified command-and-control system.

Online marketplace for short-term lodging and experiences

Online grocery delivery and pick-up platform connecting customers with personal shoppers. One of the largest grocery technology companies in the US.

On-demand food delivery platform connecting consumers with local restaurants and stores, operating as the largest food delivery service in the United States with over 56% market share.

Workforce management platform that unifies HR, IT, and finance into a single system built on a unified employee graph.

Skild AI develops generalist foundation models for robotics and physical-world AI intelligence, enabling robots to perform a wide range of tasks through embodied AI.

Online wholesale marketplace connecting independent brands with independent retailers. Retailers discover and buy from over 100,000 brands with free returns, net-60 payment terms, and data-driven recommendations.

The first federally regulated prediction market exchange in the United States, approved by the CFTC as a Designated Contract Market in 2020. Enables users to trade event contracts on real-world outcomes spanning economics, politics, weather, sports, and culture. Emerged from Y Combinator's W19 batch.

Visual discovery and bookmarking platform where users find and save ideas for recipes, home decor, fashion, travel, and more through image-based 'Pins' organized on boards, serving over 450 million monthly active users.

Opendoor is a digital real estate platform that pioneered the iBuying model, enabling homeowners to sell their homes online with instant cash offers. The company uses data science and pricing algorithms to buy, renovate, and resell residential homes.

Harvey builds domain-specific AI for legal and professional services. The platform streamlines workflows in contract analysis, due diligence, compliance, and litigation, serving over 1,000 customers in 60+ countries including global law firms and Fortune 500 enterprises.

Frontend cloud platform and creator of Next.js

AI voice technology company specializing in realistic speech synthesis, voice cloning, and multilingual text-to-speech.

Astranis builds small geostationary broadband satellites (MicroGEO) that are roughly 1/20th the size of traditional GEO spacecraft, drastically reducing manufacturing and launch costs. The company operates the satellites it builds and leases dedicated capacity to telecom and internet service providers, connecting underserved regions worldwide.

AI-powered background check platform that modernizes the hiring process for companies of all sizes, serving over 100,000 customers including Uber, DoorDash, and Instacart.

Dapper Labs builds consumer applications for the tokenized economy, creating CryptoKitties (which introduced the ERC-721 NFT standard), NBA Top Shot, NFL ALL DAY, and the Flow blockchain. The company is one of the most prominent in the NFT and Web3 space, enabling people to own, earn, and trade digital assets from major brands.

MatX designs custom silicon optimized for large language model training and inference, aiming to deliver 10x more computing power per square millimeter than Nvidia GPUs. Founded by former Google TPU engineers, the company is building the MatX One processor featuring a splittable systolic array architecture with SRAM-first design. Manufacturing is planned through TSMC with initial shipments targeted for 2027.

Zenefits was a cloud-based human resources platform that offered free HR software to small and mid-sized businesses, handling payroll, benefits administration, and compliance. The company rose rapidly through Y Combinator to a $4.5 billion valuation but collapsed after regulatory scandals revealed unlicensed insurance brokerage. Acquired by TriNet in 2022.

Cryptocurrency exchange and blockchain platform

Global managed marketplace for authentic sneakers, apparel, and accessories. Operates four brands: GOAT, Flight Club, Grailed, and alias. Features a ship-to-verify authentication model ensuring product legitimacy, serving over 50 million members across 170 countries.

Benchling is a cloud-based life sciences R&D platform that helps biotech and pharmaceutical companies manage experiments, track data, and accelerate research and development. The platform replaces physical lab notebooks and spreadsheets with collaborative, AI-ready digital tools used by over 1,200 customers worldwide.

Cedar is a healthcare financial technology platform that simplifies patient billing and payment experiences for hospitals, health systems, and medical groups. The platform uses data science and AI to personalize billing communications and optimize payment outcomes, serving over 50 million patients.

All-in-one workspace that combines notes, documents, wikis, project management, and AI-powered tools used by millions of individuals and teams worldwide.

Amplitude is a product analytics platform that helps companies understand user behavior to build better digital products. Originally incubated at Y Combinator (W12) as a voice-to-text app called Sonalight, the founders pivoted to analytics after realizing the internal tools they built were more valuable than the app itself. The company pioneered the product intelligence category and went public via direct listing on NASDAQ in September 2021.

Black Forest Labs is a frontier AI lab building state-of-the-art generative AI models for images and video. Founded by the creators of Stable Diffusion, the company develops the FLUX family of open-source text-to-image models, which have achieved over 400 million downloads and are used by Adobe, Canva, Meta, and Microsoft.

ShipBob is a global e-commerce fulfillment and logistics platform that provides small and medium-sized businesses with Amazon-level supply chain capabilities. The company operates a network of fulfillment centers across the US, UK, EU, Canada, and Australia, offering warehousing, picking, packing, and shipping services powered by proprietary software.

Customer data infrastructure platform that collects, cleans, and routes customer data to hundreds of analytics, marketing, and data warehouse tools through a single API. Founded by four MIT students as part of Y Combinator S11.

Mobile gaming company best known for Game of War: Fire Age, Mobile Strike, and Final Fantasy XV: A New Empire, which collectively generated over $5 billion in revenue. Originally founded as Addmired and a Y Combinator W08 graduate, the company pioneered real-time massively multiplayer mobile gaming.

Digital experience optimization platform providing A/B testing, experimentation, and personalization tools for websites, mobile apps, and connected devices. Co-founded by two former Google product managers who worked on the Obama 2008 campaign's digital optimization. Acquired by Episerver (now Optimizely) in 2020.

Okta is an identity and access management platform that provides cloud-based solutions for securely connecting people to technology. The company offers single sign-on, multi-factor authentication, and lifecycle management for enterprises and developers.

Heap is a digital insights platform that automatically captures every user interaction on websites and mobile apps, including clicks, taps, swipes, form submissions, and page views, without requiring manual tracking code. Unlike traditional analytics tools that require engineers to instrument events upfront, Heap retroactively analyzes user behavior from day one. The platform served over 10,000 companies including Twilio, Zendesk, and Liberty Mutual. Acquired by Contentsquare in December 2023.

Character.AI is a generative AI chatbot platform that lets users create and interact with customizable AI characters. Founded by former Google engineers who co-authored the Transformer paper and led the LaMDA project, the platform has over 20 million monthly active users.

Uniswap Labs builds the Uniswap Protocol, the largest decentralized exchange (DEX) on Ethereum and the pioneer of the automated market maker (AMM) model for on-chain token trading. The protocol has processed over $4 trillion in cumulative trading volume. Uniswap Labs also developed the UNI governance token and Unichain, its own Ethereum Layer-2 blockchain.

Mux provides video infrastructure for developers through an API-first platform. Its core products are Mux Video (encoding, storage, and streaming) and Mux Data (quality-of-experience analytics monitoring billions of streams).

Cloud-based incident management and digital operations platform that helps IT teams detect, triage, and resolve infrastructure and application issues in real time through intelligent alerting, on-call scheduling, and automated response orchestration.

Pomelo Care is a virtual medical practice delivering evidence-based healthcare for women and children, covering every stage from preconception and pregnancy through postpartum, pediatrics, and midlife health. The company partners with health plans and employers using a value-based care model.

Teleport is the infrastructure identity company, providing on-demand, least-privileged access to infrastructure on a foundation of cryptographic identity and zero trust. The platform integrates access management, zero trust networking, and identity security into a single solution, replacing passwords and secrets with true identity for engineers and services. Previously known as Gravitational, the company was founded by the Mailgun team (YC W11, acquired by Rackspace).

DFINITY Foundation is a not-for-profit organization that builds and maintains the Internet Computer, a web-speed, internet-scale public blockchain. The platform enables smart contracts to serve interactive web content directly to browsers, allowing developers to build fully decentralized applications and enterprise systems.

Financial technology marketplace connecting consumers with financial advisors and providing free, automated tools for home buying, retirement planning, taxes, and investing. Reaches over 75 million people monthly through educational content and personalized calculators.

All-in-one customer communication and payments platform for small and medium-sized healthcare businesses, serving dental, optometry, veterinary, and medical practices.

AI-native observability and evaluation platform that helps engineering and product teams evaluate, log, and monitor AI agents and large language model interactions in production. Built on a custom database optimized for massive AI trace data, the platform enables teams to run experiments against real datasets, compare prompts side-by-side, catch regressions in CI, and inspect every trace with real-time latency, cost, and quality metrics.

Lever is a talent acquisition suite that combines applicant tracking (ATS) and candidate relationship management (CRM) into a single platform. The company helps organizations source, nurture, interview, and hire talent through a collaborative, data-driven approach. Lever served over 4,000 customers including Netflix, Atlassian, KPMG, and Spotify.

Telehealth platform providing accessible and affordable healthcare with prescriptions delivered to patients' doors. Started with birth control and PrEP (HIV prevention), then expanded to STI testing, HPV screening, herpes treatment, migraine care, and dermatology. At its peak, Nurx served over 750,000 active patients. Founded by two Norwegian high school classmates who saw how difficult it was to access basic reproductive healthcare.

AI and automation technology provider for the restaurant industry. Originally built tabletop tablets for ordering and payment at sit-down restaurants under the name E la Carte. Pivoted to drive-thru Voice AI for quick-service restaurants. Went public via SPAC in 2022, then went through financial distress and was reborn as Presto Phoenix in 2025.

Interactive online coding education platform offering free and premium courses in programming languages including Python, JavaScript, SQL, and more. Grew to over 50 million learners worldwide before being acquired by Skillsoft in 2022 for $525 million.

Online payments platform that provided integrated payment processing APIs for platform businesses, marketplaces, and crowdfunding sites. Founded after co-founder Rich Aberman struggled to collect money for a bachelor party, WePay was acquired by JPMorgan Chase in 2017 and operates as part of Chase Payment Solutions.

Construction productivity software that digitized blueprints and project documents for mobile access on job sites, enabling real-time collaboration across construction teams. Acquired by Autodesk for $875 million in 2018.

Doxel uses computer vision and deep learning to automate progress tracking on construction sites. By analyzing 360-degree video from job sites, the platform measures actual construction progress against plans and schedules, providing predictive analytics to help owners and general contractors eliminate cost overruns and schedule delays.

Convex is an open-source reactive backend-as-a-service platform that provides a real-time database, serverless functions, and client SDKs for building live-updating web and mobile apps. The platform integrates a TypeScript-based document store and function runtime for queries and mutations. Convex went open source in March 2024.

CoreOS developed Container Linux, a lightweight Linux-based operating system designed for massive server deployments, along with key container infrastructure tools including etcd, rkt, and the Tectonic Kubernetes platform. Founded through Y Combinator (S13), the company built open source infrastructure to enable Google-scale operations for any organization. CoreOS was a founding member of both the Cloud Native Computing Foundation (CNCF) and the Open Container Initiative (OCI). Acquired by Red Hat in January 2018 for $250 million.

AI-powered platform that helps enterprises unlock insights from unstructured image and video data. Coactive's multimodal application platform enables users to search, organize, analyze, and generate metadata from visual content without requiring metadata or manual tagging.

Single sign-on platform for K-12 education giving students, teachers, and staff secure access to digital learning applications through one personalized portal. Built a standardized API enabling school data systems to sync with edtech applications automatically. Used by 89,000 schools and 65% of U.S. K-12 districts.

Cloud-based medical platform offering all-in-one EHR, practice management, medical billing, and telehealth solutions. Built as the first EHR designed for iPad. Served 4,600+ independent practices and 13,000+ providers across medical specialties, managing 17.8M+ patients and $11B+ in medical billings. Apple Mobility Partner. Acquired by EverCommerce for $180M in November 2021.

Africa's first indigenous defense technology prime, designing and manufacturing autonomous surveillance systems including drones and fixed surveillance towers to protect critical national infrastructure. Technology deployed across multiple African countries securing infrastructure assets valued at roughly $11 billion.

Women's health company that made fertility hormone testing accessible and affordable through at-home testing kits. The flagship product measured up to 10 fertility hormones via a simple finger-prick, providing personalized reports and fertility timelines. Expanded into ovulation tracking kits, pregnancy tests, and prenatal vitamins. Founded by a former 23andMe product lead after a personal health scare revealed the gap in accessible fertility information.

Femtech wellness company that designs fashionable health-tracking wearables and a subscription wellness service for women. Products including Leaf, Ivy, and Time track cycle, sleep, activity, stress, and reproductive health. Participated in Y Combinator W14, voted most likely to succeed by its cohort.

E-signature and document workflow platform enabling businesses to send, sign, and manage legally binding documents online. Served over 80,000 customers including Intuit, Lyft, and Samsung before being acquired by Dropbox for $230 million in 2019. Now operates as Dropbox Sign.

Oklo is an advanced nuclear technology company designing and deploying next-generation fast fission power plants. The company's Aurora powerhouse uses metal-fueled fast reactor technology to generate clean energy, while also pioneering nuclear fuel recycling.