Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.
| Company Name | Founded | Funding Stage | Amount | City |
|---|---|---|---|---|
| PostHog | 2025 | Series E | $75.0M | San Francisco |
| ZeroPath | 2025 | Seed | $5.0M | San Francisco |
| Alguna | 2025 | Seed | $4.0M | San Francisco |
| Thyme Care | 2025 | Series D | $97.0M | Nashville |
| BotCity | 2025 | Series A | $12.0M | S√£o Paulo |
| Quantbase | 2025 | Venture - Series Unknown | $26.8M | New York |
| Selfin | 2025 | Pre-Seed | $500K | London |
| AmplifAI | 2025 | Series B | $33.7M | Plano |
| Quo | 2025 | Venture - Series Unknown | $105.0M | San Francisco |
| Greptile | 2025 | Series A | $25.0M | San Francisco |
| # | Company | Stage | Amount | Location |
|---|---|---|---|---|
| 376 | PostHog | Series E | $75.0M | San Francisco, United States |
| 377 | ZeroPath | Seed | $5.0M | San Francisco, United States |
| 378 | Alguna | Seed | $4.0M | San Francisco, United States |
| 379 | Thyme Care | Series D | $97.0M | Nashville, United States |
| 380 | BotCity | Series A | $12.0M | S√£o Paulo, Brazil |
| 381 | Quantbase | Venture - Series Unknown | $26.8M | New York, United States |
| 382 | Selfin | Pre-Seed | $500K | London, United Kingdom |
| 383 | AmplifAI | Series B | $33.7M | Plano, United States |
| 384 | Quo | Venture - Series Unknown | $105.0M | San Francisco, United States |
| 385 | Greptile | Series A | $25.0M | San Francisco, United States |
PostHog is an open source platform that helps build successful products by providing tools to evaluate feature impact and customer value.
ZeroPath is a Computer and Network Security firm that discover and fix exploitable software vulnerabilities.
Alguna is a modern pricing, quoting and billing platform.
Thyme Care is a healthcare company that provides oncology care management services.
BotCity is a governance and orchestration platform for Python scripts created by AI or humans.
High risk index funds for stocks, crypto, NFTs, prediction markets, art, and more.
First AI-powered bank
Applying science to make teams better.
Quo offers a phone app that lets users get a business phone number without a second phone or a second SIM card.
Greptile is an AI code reviewer that automatically reviews pull requests with full codebase context.
Cardless operates the leading platform for consumer brands to launch credit card products.
AI-native operating system for in-person commerce.
Finary is a platform that allows everybody to track and manage their wealth online.
Perseus Defense produces counter-drone systems for the Department of Defense and homeland security.
Numeral provides a platform that automates the sales tax process for e-commerce and SaaS businesses.
Forge Robotics is an intelligent automation that operates like a human but scales like a machine.
Aleph is a financial software company that provides AI-native financial planning and analysis tools and data management infrastructure.
Hubble Network is a developer of a satellite-powered Bluetooth network that enables devices to connect regardless of cellular reception.
WorkFusion provides AI agents that automate financial crime compliance and back-office operations.
AI Sales Coaching & Role-Play Platform to Upskill Your Revenue Team | Built for Enterprise
DianaHR offers AI-powered HR tools that streamline onboarding, attendance, payroll, and employee management for small businesses.
Parahelp is an AI support agent for software companies, handling tickets like a teammate, including refund requests.
Diana Health offers personalized women's healthcare services in maternity, gynecology, menopause, mental health, and wellness.
Fluidize offers AI-powered SaaS for automating and managing scientific simulation workflows.
Cyberdesk provides virtual desktops for deploying AI agents using simple code.
Y Combinator has invested in 5,761 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.
Y Combinator's top investment sectors include Software, Artificial Intelligence (AI), Financial Services, FinTech, Developer Tools. The firm invests across 56 different industry categories.
Among tracked funding rounds, Quo received $105.0M in a Venture - Series Unknown round. Y Combinator's total known invested capital is $43.6B.
Y Combinator's average investment size is $11.4M across its portfolio of 5,761 companies.
Recent Y Combinator portfolio additions include PostHog, ZeroPath, Alguna, Thyme Care, BotCity. These companies were founded in 2020 or later.
Discover portfolio companies of other leading venture capital firms and investors.
View All Investors