Last updated 2026-07-20
Portfolio
69
in our dataset
Rounds participated
80
Rounds led
41
Rounds' value
$1.1B
total disclosed, rounds participated
Stages
—
About
Y Combinator (YC) is an American technology startup accelerator and venture capital firm founded in March 2005. It invests in startups and offers an intensive three-month program that includes weekly group office hours, one-on-one mentorship, access to a large alumni network, and guidance on product-market fit, business models, and fundraising. The program culminates in "Demo Day," where startups present to potential investors. YC has funded over 5,000 companies, including well-known names like Airbnb, Stripe, Dropbox, DoorDash, and Coinbase.
Portfolio · 69
Hud
Hud provides a runtime code sensor designed to help AI coding tools analyze production behavior and make AI-generated code safer.
Prospero
Prospero is a SaaS platform focused on proposal management and sales enablement, helping businesses create professional proposals, track client engagement, and collect signatures online.
Mellow Software Ltd. (Clara Labs)
An AI-powered virtual assistant designed to automate meeting scheduling.
Startus (SideDish AI)
AI-powered lead management for conference success.
App51 Inc.
Numeri Ltd.
Numeri Ltd. develops apps to boost production and packaging lines with smart counting and AI for accurate product recognition.
Lilo
Lilo is a safe, AI-guided chat simulator that helps students build healthy digital communication skills.
Rubric AI
Reasoning and verification infrastructure for AI.
Claimgeex
AI-powered claim maximization for legal claims.
ConTox
An Israeli Construction Tech & PropTech innovation center promoting Israeli technologies.
Rhizome Networks Ltd.
Rhizome Networks Ltd. specializes in AI architecture, RAG systems, and cloud-native engineering, offering CTO-level guidance and custom development.
Vinequery
AI Transforming Fine Wine into Digital Assets
Guidely
An AI-powered Chrome extension that provides interactive, step-by-step guidance within any web application.
Wized.ai
A platform that enables users to build web applications in Webflow without code, integrating with various APIs and backend services.
Irregular
Irregular is a frontier AI security lab that conducts red teaming, safety evaluations, and misuse testing on advanced artificial intelligence models.
Invisify
A cybersecurity company delivering invisible, inline, and unbypassable network protection for general IT, OT, and embedded environments.
Hubble
Hubble is building a global satellite network that any Bluetooth-enabled device can connect to, even without cellular reception.
Oria
Oria is an AI platform purpose-built for complex slide creation, transforming rough ideas into polished, editable, boardroom-ready PowerPoint slides.
August Technologies AI Ltd.
Anvil Inc.
Developer of AI visibility and optimization software for improving brand presence across large language models.
Traceloop
An observability and testing platform for large language model (LLM) applications and AI agents.
Stackhaus.ai
A curated marketplace for AI-built applications.
LanguageZen
Language learning software that uses data mining technology to personalize every lesson to fit your learning style.
Vibez Tech Inc.
Vibez is a developer of an online booking platform and an event platform for private communities, offering tools for discovering events through video feeds, ticketing, access control, and payments.
Flex Mobile Storage Ltd.
Flex develops sleek trailers designed for optimal storage conditions and swift & simple transport, offering a smart portable storage experience.
Vespper Ltd.
An AI assistant tailored for the Life Sciences and Biotechnology sectors, with a focus on regulatory compliance.
4Oncology
In stealth mode, developing medical devices in the oncology sector.
Cerenus Ltd.
Plato Technologies Inc.
An applied research lab that transforms real-world data into simulated environments for training and evaluating agents.
Zoma
Zoma helps professional service sales teams scope intelligently, with an AI platform that bridges the gap between the project promise and the reality.
Scinai Immunotherapeutics
A biopharmaceutical company developing immunology therapies and providing CDMO services.
Atolla Tech LLC.
Atolla Tech develops sensor systems and machine learning for real-time insect detection and identification in agriculture, and drone threat detection for defense and security.
Aigie
Develops an autonomous reliability platform for agentic AI.
Darrow
AI-powered justice intelligence platform for identifying and valuing legal claims.
Vann
A platform to revolutionize cancer research and improve cancer care.
Minded
The AI Agent that finds its own work and gets it done.
Highlight Studios Ltd.
A contemporary Israeli unisex fashion brand specializing in comfort tailoring.
Ballerine
AI-native Risk and Compliance Platform for Financial Institutions, Fintechs, and Marketplaces
Rubus Inc.
Earth Force Technologies Ltd.
Developer of a vegetation management system designed to prevent wildfires.
Squid Cloud Inc.
An enterprise platform for building the middle tier of applications faster and flexible AI agents.
Sunlight API Inc.
Sunlight provides an API for B2B card payments and card-on-file updates, using AI agents to execute payments across supplier portals.
Wand Solar
We enable landlords to generate income from solar panels.
FlyCode
AI-powered payment recovery platform that reduces involuntary churn for subscription businesses.
Serinus Biosciences Inc.
An AI-powered platform to design cancer therapeutics.
Hathaware Technologies Inc. (Jet.Build)
Construction and real estate development software for owners, developers, and general contractors.
Ole
Fashion shopping with delivery and return on demand.
Chordio Inc.
Chordio is a product experience lab that provides AI-powered design review tools and a product experience benchmark for coding agents.
finitiOne Ltd.
Finitione provides advanced payment systems for managing loyalty programs, gift cards, and balances, enabling businesses to grow.
StayIn Inc. (Spinach AI)
An AI meeting assistant that helps run meetings, summarizes conversations, and automates post-meeting tasks.
Coinrule (YC S21)
Automated crypto trading platform for retail investors.
Balance
The financial backbone B2B needs – real-time credit intelligence, embedded financing, and automation powering every transaction.
BBalance
A B2B e-commerce payments platform offering an online checkout with omni-channel support built for businesses.
Output Biosciences
Pioneering Biologically-Aware Generative AI to understand complex biological systems for drug discovery and development.
Market API
Market API builds smart retail tech that connects HQ strategy with flawless in-store execution, offering automated data flows, dynamic signage, and promotions.
Multipass Ltd.
Multi-currency business accounts and cross-border payment solutions for SMEs.
Warmy
AI-driven email deliverability platform to improve sender reputation and increase open and click rates.
Kaiten Inc.
A discovery app that gives you access to culinary products and experiences from quality makers around the world.
Paragon
Paragon is an Israeli cybersecurity company specializing in digital intelligence for smartphone and internet surveillance solutions.
echo3D Inc.
A cloud platform for 3D, AR, and VR content management and delivery.
Neema
A global cross-border payments platform supporting fintechs, digital wallets, and financial institutions worldwide.
FeedVisor
AI-first optimization and intelligence platform for brands and large sellers on Amazon, Walmart, and e-marketplaces.
ApolloShield
Detects and safely blocks unwanted drone intrusions, tracking down and arresting unauthorized operators.
Houzz
An online platform for home remodeling and design, connecting homeowners and home professionals.
BioCatch
Provider of behavioral biometrics cybersecurity solutions that analyze online user behavior to prevent fraud, detect impersonation, and provide digital identity verification and security for financial institutions and other organizations.
Binpress
A marketplace for commercial open-source code.
Tradomatics Ltd.
A financial services company specializing in credit and discounting checks, and trading in securities.
FINNX
Vcodes CPS Ltd.
Vcodes provides solutions for TV & streaming providers that enable the preparation of high-quality video content through media analysis, encoding, and QC.
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
Identifiers & details
| Legal name | Y Combinator, LLC |
|---|---|
| Founded | 2005-3 |
Radar intelligence
Publications (Crossref)
| Works | 9 |
|---|