Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.
| Company Name | Founded | Funding Stage | Amount | City |
|---|---|---|---|---|
| Tennr | 2025 | Series C | $101.0M | New York |
| Future Fields | 2025 | Series A | $8.0M | Edmonton |
| Uncountable | 2025 | Series A | $27.0M | San Francisco |
| Astek Diagnostics | 2025 | Seed | $500K | Baltimore |
| Integrated Reasoning | 2025 | Seed | $1.9M | San Francisco |
| GhostEye | 2025 | Pre-Seed | $500K | New York |
| Sygaldry Technologies | 2025 | Seed | $33.0M | Mountain View |
| Shinkei Systems | 2025 | Series A | $22.0M | New York |
| Origami | 2025 | Convertible Note | Undisclosed | San Francisco |
| Ellipsis Health | 2025 | Series A | $45.0M | San Francisco |
| # | Company | Stage | Amount | Location |
|---|---|---|---|---|
| 2151 | Tennr | Series C | $101.0M | New York, United States |
| 2152 | Future Fields | Series A | $8.0M | Edmonton, Canada |
| 2153 | Uncountable | Series A | $27.0M | San Francisco, United States |
| 2154 | Astek Diagnostics | Seed | $500K | Baltimore, United States |
| 2155 | Integrated Reasoning | Seed | $1.9M | San Francisco, United States |
| 2156 | GhostEye | Pre-Seed | $500K | New York, United States |
| 2157 | Sygaldry Technologies | Seed | $33.0M | Mountain View, United States |
| 2158 | Shinkei Systems | Series A | $22.0M | New York, United States |
| 2159 | Origami | Convertible Note | Undisclosed | San Francisco, United States |
| 2160 | Ellipsis Health | Series A | $45.0M | San Francisco, United States |
Tennr is a healthcare AI startup that provides an automation platform for medical documents.
Future Fields harnesses insect biotechnology to make sustainable recombinant proteins.
Uncountable provides a unified R&D laboratory informatics platform for digital transformation in industrial research and development.
Astek Diagnostics develops a platform that guides physicians in prescribing appropriate antibiotics for patients.
Integrated Reasoning builds efficient computer processors for accelerating NP-complete problems.
GhostEye is a Network Security firm offering AI based cybersecurity software for their users.
Sygaldry Technologies is a tech company building quantum-accelerated AI servers to exponentially speed up AI training and inference.
Shinkei Systems is an automation agency that provides automation for fish harvesting.
Origami is an AI-powered spreadsheet to find and enrich your ideal customers with 100+ data sources
AI Nursing Care Manager
Reimagining how markets are analyzed and traded
Canary Technologies provides a digital guest management platform for hotels streamlining check-in, messaging, payments, and upsells.
Oklo specializes in designing and developing small modular reactors for advanced fission power plants.
Sorcerer is deploying a global network of persistent airborne sensors to fuel advanced weather forecasting
Galen AI is a AI-powered personal healthcare platform that provides medical insights, clinical records, and wearables data syncing.
Parallel Bio develops tools that help in the discovery and development of immunotherapies.
VibeGrade is a testing software company that provides online essay and paper grading platform that utilizes AI for teachers.
Code Four is a GovTech company that uses Artificial intelligence for law enforcement through AI-driven automation.
Zenobia Pay is a fintech company that enables businesses to accept bank transfers as payments by building pay-by-bank network.
Nimbic AI is a Technology company that automatically write and update internal docs with every code commit.
neoncoral is an AI consumer social.
Vassar Robotics develops home humanoid robots that allows users to teach, connect, and deploy Real Robot Intelligence.
BitBoard provides AI agents for healthcare providers for administrative work, reviewing intake forms, and patient chart updation.
Opusense AI is a software that allows engineers and field inspectors to effortlessly generate professional reports in real time.
cubic is a software company that develops code review platform to automate low-risk review tasks, identify bugs, and suggest fixes.
Y Combinator has invested in 5,185 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 Artificial Intelligence (AI), Software, Health Care, Information Technology, SaaS. The firm invests across 67 different industry categories.
Among tracked funding rounds, Oklo received $440.6M in a Post Ipo Equity round. Y Combinator's total known invested capital is $33.2B.
Y Combinator's average investment size is $11.7M across its portfolio of 5,185 companies.
Recent Y Combinator portfolio additions include Tennr, Future Fields, Uncountable, Astek Diagnostics, Integrated Reasoning. These companies were founded in 2020 or later.
Discover portfolio companies of other leading venture capital firms and investors.
View All Investors