YC data · 6,357 companies · October 24, 2026

What changed

Every data update, newest first: which formations appeared or dropped out, which changed direction, and which moved most in share of new YC companies. Computed once when the data is published.

October 24, 2026

Data as of October 24, 2026 (previously October 22, 2026). 6,357 YC companies (+5). 23 formations, previously 134.

Biggest moves in share of new YC companies

Developer Tools YC tag: +0.3 pp (6.7% → 7.0% of new companies, latest four batches)
Robotic System description cluster: -0.3 pp (1.4% → 1.2% of new companies, latest four batches)
Infrastructure YC industry: +0.1 pp (9.9% → 10.0% of new companies, latest four batches)
Supply Chain description cluster: +0.1 pp (0.9% → 1.0% of new companies, latest four batches)
Drug Discovery description cluster: -0.1 pp (1.0% → 0.9% of new companies, latest four batches)
Voice Agent description cluster: -0.1 pp (1.8% → 1.7% of new companies, latest four batches)

New formations 5

Autonomous Drone description cluster: growing, 3.10×, first detected F26
AI Business Automation description cluster: shrinking, 0.61×, first detected F26
Data Center description cluster: growing, 2.19×, first detected F26
AI Assistants description cluster: growing, 2.19×, first detected W24
AI Content Creation description cluster: growing, 1.94×, first detected W24

Changed direction

Conversational AI YC tag: was growing, now shrinking
AI Agent Platforms description cluster: was growing, now shrinking
API YC tag: was growing, now shrinking

No longer detected 60

Usually a description cluster that was renamed or reshaped by re-clustering, not a category that disappeared.

Autonomous Robots description cluster (was growing, 3.24×)
AI Customer Service Agents description cluster (was shrinking, 0.59×)
Infrastructure Monitoring Software description cluster (was growing, 3.09×)
Drone Defense description cluster (was growing, 6.17×)
AI Finance Automation description cluster (was growing, 2.30×)
AI Workplace Tools description cluster (was growing, 2.55×)
Vision Model description cluster (was growing, 1.70×)
Biotech YC tag (was shrinking, 0.46×)
Video Platform description cluster (was growing, 2.07×)
Digital Health YC tag (was shrinking, 0.41×)
Security YC industry (was growing, 1.93×)
AI Compute Infrastructure description cluster (was growing, 3.07×)
GPU Compute Infrastructure description cluster (was growing, 2.30×)
Agentic AI Platforms description cluster (was growing, 2.50×)
Reinforcement Learning YC tag (was growing, 4.17×)
Cybersecurity YC tag (was growing, 1.95×)
GovTech YC tag (was growing, 1.95×)
Data Labeling YC tag (was growing, 2.60×)
Supply Chain and Logistics YC industry (was shrinking, 0.71×)
Operations YC industry (was shrinking, 0.59×)
Design YC tag (was growing, 3.47×)
General Intelligence description cluster (was growing, 3.46×)
Hardware YC tag (was growing, 5.49×)
Manufacturing YC tag (was growing, 3.24×)
Industrial YC tag (was growing, 8.98×)
Legal Tech description cluster (was growing, 3.36×)
Video YC tag (was shrinking, 0.50×)
Payments YC tag (was shrinking, 0.31×)
Aviation and Space YC industry (was growing, 2.08×)
LegalTech YC tag (was growing, 2.08×)
Sales Automation description cluster (was growing, 2.39×)
Automated Testing description cluster (was growing, 2.99×)
Call Center YC tag (was growing, 2.97×)
Telecommunications YC tag (was growing, 2.98×)
Healthcare Agents description cluster (was growing, 4.53×)
Healthcare Operations AI description cluster (was growing, 3.44×)
Healthcare AI Automation description cluster (was growing, 2.86×)
Legal YC tag (was growing, 4.80×)
Video Infrastructure description cluster (was growing, 3.01×)
Aerospace YC tag (was growing, 2.60×)
Databases YC tag (was growing, 4.27×)
Big Data YC tag (was growing, 3.60×)
Web Data API description cluster (was growing, 2.89×)
Automation YC tag (was growing, 5.19×)
Crypto / Web3 YC tag (was shrinking, 0.24×)
Cross-Border Payments description cluster (was shrinking, 0.26×)
Healthcare Operations Software description cluster (was growing, 3.30×)
Workflow Automation YC tag (was growing, 3.32×)
Finance YC tag (was growing, 2.83×)
Generative AI Creative Tools description cluster (was growing, 3.46×)
Emerging Markets Payments description cluster (was shrinking, 0.37×)
Generative AI Content description cluster (was growing, 2.94×)
Legal Tech Software description cluster (was growing, 4.15×)
E-commerce YC tag (was shrinking, 0.31×)
Workflow Automation Assistants description cluster (was growing, 3.88×)
Developer Tools description cluster (was growing, 6.89×)
AI For Finance Ops description cluster (was growing, 4.68×)
LLM Application description cluster (was growing, 4.68×)
Bank Fintech description cluster (was growing, 3.58×)
Search YC tag (was growing, 3.42×)

October 22, 2026

Data as of October 22, 2026 (previously October 2, 2026). 6,352 YC companies (+65). 134 formations, previously 116.

Biggest moves in share of new YC companies

Engineering, Product and Design YC industry: -0.3 pp (8.9% → 8.6% of new companies, latest four batches)
Developer Tools YC tag: +0.3 pp (6.4% → 6.7% of new companies, latest four batches)
Hardware YC tag: +0.3 pp (4.0% → 4.3% of new companies, latest four batches)
Legal Tech description cluster: +0.3 pp (1.2% → 1.4% of new companies, latest four batches)
Healthcare Software description cluster: +0.3 pp (0.4% → 0.7% of new companies, latest four batches)
Infrastructure YC industry: +0.1 pp (9.8% → 9.9% of new companies, latest four batches)
Drug Discovery description cluster: -0.1 pp (1.2% → 1.0% of new companies, latest four batches)
Defense YC industry: -0.1 pp (2.5% → 2.3% of new companies, latest four batches)
Voice Agent description cluster: -0.1 pp (1.9% → 1.8% of new companies, latest four batches)
Supply Chain and Logistics YC industry: +0.1 pp (1.9% → 2.1% of new companies, latest four batches)

New formations 22

Robotics YC tag: growing, 1.74×, first detected F26
Autonomous Robots description cluster: growing, 3.24×, first detected F26
AI Customer Service Agents description cluster: shrinking, 0.59×, first detected F26
Infrastructure Monitoring Software description cluster: growing, 3.09×, first detected F26
Supply Chain description cluster: growing, 3.09×, first detected F26
Video Platform description cluster: growing, 2.07×, first detected Sp26
GPU Compute Infrastructure description cluster: growing, 2.30×, first detected W26
Agentic AI Platforms description cluster: growing, 2.50×, first detected F25
Cybersecurity YC tag: growing, 1.95×, first detected F25
General Intelligence description cluster: growing, 3.46×, first detected S25
Sales Automation description cluster: growing, 2.39×, first detected W25
Automated Testing description cluster: growing, 2.99×, first detected W25
Healthcare AI Automation description cluster: growing, 2.86×, first detected F24
Emerging Markets Payments description cluster: shrinking, 0.37×, first detected S24
Developer Tools description cluster: growing, 6.89×, first detected W24
API YC tag: growing, 2.19×, first detected S23
AI Financial Software description cluster: growing, 2.80×, first detected S23
Financial Management Software description cluster: growing, 1.97×, first detected S23
Virtual Care description cluster: growing, 2.42×, first detected S23
Fintech Trading Platforms description cluster: growing, 2.29×, first detected W23
Women's Fashion Marketplace description cluster: shrinking, 0.37×, first detected S22
B2B Saas description cluster: growing, 4.92×, first detected S21

No longer detected 4

Usually a description cluster that was renamed or reshaped by re-clustering, not a category that disappeared.

Drone Technology description cluster (was growing, 7.49×)
Manufacturing and Robotics YC industry (was growing, 1.57×)
AI Business Platform description cluster (was shrinking, 0.44×)
Robotics description cluster (was growing, 1.87×)

19 formations lost their latest-window count: AI Workplace Tools, Vision Model, AI Compute Infrastructure, Video Infrastructure, Healthcare Operations Software, Generative AI Content, LLM Application, AI Agent Platforms, Bank Fintech, Cloud Deployment Platform, Data Analytics, Search Engine, ….

October 22, 2026

Data as of October 2, 2026 (previously August 26, 2026). 6,287 YC companies (+87). 116 formations, previously 78.

New formations 39

Engineering, Product and Design YC industry: shrinking, 0.51×, first detected F26
Drone Technology description cluster: growing, 7.49×, first detected F26
Hard Tech YC tag: growing, 2.03×, first detected F26
AI Business Platform description cluster: shrinking, 0.44×, first detected F26
Robotics description cluster: growing, 1.87×, first detected F26
Drug Discovery description cluster: growing, 2.50×, first detected F26
AI Workplace Tools description cluster: growing, 2.55×, first detected S26
Vision Model description cluster: growing, 1.70×, first detected S26
AIOps YC tag: shrinking, 0.31×, first detected Sp26
Advertising YC tag: growing, 3.23×, first detected Sp26
Legal Tech description cluster: growing, 3.36×, first detected Sp25
Telecommunications YC tag: growing, 2.98×, first detected W25
Healthcare Operations AI description cluster: growing, 3.44×, first detected F24
Legal YC tag: growing, 4.80×, first detected F24
Healthcare Operations Software description cluster: growing, 3.30×, first detected S24
Generative AI Creative Tools description cluster: growing, 3.46×, first detected S24
Generative AI Content description cluster: growing, 2.94×, first detected S24
Legal Tech Software description cluster: growing, 4.15×, first detected S24
Workflow Automation Assistants description cluster: growing, 3.88×, first detected W24
Conversational AI YC tag: growing, 4.10×, first detected W24
AI Agent Platforms description cluster: growing, 2.62×, first detected W24
Bank Fintech description cluster: growing, 3.58×, first detected W24
Cloud Deployment Platform description cluster: growing, 1.78×, first detected S23
Data Analytics description cluster: growing, 1.86×, first detected S23
Fintech Payments description cluster: growing, 5.82×, first detected W23
Electric Vehicle description cluster: growing, 3.64×, first detected W23
Search Engine description cluster: growing, 3.64×, first detected W23
Hiring Platform description cluster: shrinking, 0.42×, first detected W23
Biotech Alternative Proteins description cluster: growing, 3.27×, first detected W23
Data Analytics Platform description cluster: growing, 3.51×, first detected S22
Precision Medicine description cluster: shrinking, 0.53×, first detected S22
Carbon Capture description cluster: growing, 2.63×, first detected S22
Healthcare Software description cluster: growing, 1.76×, first detected S22
Crossborder Payment description cluster: growing, 1.61×, first detected W22
Bank Account description cluster: growing, 1.97×, first detected W22
Health & Wellness YC tag: growing, 3.51×, first detected S21
Online Learning description cluster: growing, 1.91×, first detected S21
Video Chat description cluster: growing, 2.46×, first detected S21
Business Management Software description cluster: growing, 2.19×, first detected S21

No longer detected 1

Usually a description cluster that was renamed or reshaped by re-clustering, not a category that disappeared.

AI Agents description cluster (was growing, 11.38×)

August 26, 2026

Data as of August 26, 2026 (previously August 14, 2026). 6,200 YC companies (+32). 78 formations, previously 71. 301 forecasts registered (track record).

New formations 42

Drone Defense description cluster: growing, 6.17×, first detected S26
Infrastructure YC industry: growing, 1.48×, first detected S26
Robotic System description cluster: growing, 3.63×, first detected S26
AI Finance Automation description cluster: growing, 2.30×, first detected S26
Biotech YC tag: shrinking, 0.46×, first detected Sp26
AI Compute Infrastructure description cluster: growing, 3.07×, first detected W26
Supply Chain and Logistics YC industry: shrinking, 0.71×, first detected F25
Manufacturing YC tag: growing, 3.24×, first detected Sp25
Industrial YC tag: growing, 8.98×, first detected Sp25
Video YC tag: shrinking, 0.50×, first detected Sp25
Call Center YC tag: growing, 2.97×, first detected W25
Video Infrastructure description cluster: growing, 3.01×, first detected F24
Aerospace YC tag: growing, 2.60×, first detected F24
Databases YC tag: growing, 4.27×, first detected F24
Big Data YC tag: growing, 3.60×, first detected F24
Web Data API description cluster: growing, 2.89×, first detected F24
AI Agent Infrastructure description cluster: growing, 4.71×, first detected S24
Cross-Border Payments description cluster: shrinking, 0.26×, first detected S24
Finance YC tag: growing, 2.83×, first detected S24
AI For Finance Ops description cluster: growing, 4.68×, first detected W24
LLM Application description cluster: growing, 4.68×, first detected W24
Workflow Automation description cluster: growing, 2.24×, first detected W24
Oncology YC tag: growing, 3.08×, first detected W24
Documents YC tag: growing, 2.51×, first detected W24
AI Sales Automation description cluster: growing, 7.50×, first detected S23
AI Agents description cluster: growing, 11.38×, first detected S23
Real Estate YC tag: growing, 3.10×, first detected S23
Customer Support YC tag: growing, 7.24×, first detected S23
AI Insurance Agents description cluster: growing, 2.81×, first detected S23
Cloud Computing YC tag: growing, 3.10×, first detected S23
AI Infrastructure Tools description cluster: growing, 3.39×, first detected W23
Data Analytics Tools description cluster: growing, 2.18×, first detected W23
Cancer Therapeutics description cluster: shrinking, 0.45×, first detected W23
Investment Platforms description cluster: growing, 3.22×, first detected S22
Security Infrastructure Tools description cluster: growing, 2.63×, first detected S22
Ecommerce Tools description cluster: growing, 1.83×, first detected W22
Carbon Emission description cluster: growing, 2.15×, first detected W22
Emerging Market description cluster: growing, 1.72×, first detected W22
Electric Vehicles YC tag: growing, 1.64×, first detected W22
Therapeutics YC industry: shrinking, 0.45×, first detected S21
Creator Economy YC tag: growing, 2.04×, first detected S21
Diagnostic Testing description cluster: growing, 2.01×, first detected S21

Changed direction

Voice Agent description cluster: was growing, now shrinking

No longer detected 35

Usually a description cluster that was renamed or reshaped by re-clustering, not a category that disappeared.

Drug Discovery and Delivery YC industry (was growing, 3.69×)
Advertising YC tag (was growing, 3.23×)
Analytics YC tag (was shrinking, 0.50×)
Browser Agents description cluster (was growing, 7.80×)
Hard Tech YC tag (was growing, 4.30×)
Open Source YC tag (was shrinking, 0.53×)
Supply Chain description cluster (was growing, 2.73×)
Telecommunications YC tag (was growing, 2.97×)
Infrastructure YC tag (was growing, 3.11×)
Legal YC tag (was growing, 4.80×)
Video Editor description cluster (was growing, 3.01×)
Healthcare IT YC industry (was growing, 1.80×)
Engineering, Product and Design YC industry (was growing, 2.06×)
Coding Agent description cluster (was growing, 3.47×)
Humanoid Robots description cluster (was growing, 3.47×)
Clinical Trial description cluster (was growing, 4.16×)
AI Assistant YC tag (was growing, 3.10×)
Conversational AI YC tag (was growing, 4.10×)
Sales Leads description cluster (was growing, 3.31×)
Sales YC tag (was growing, 2.80×)
API YC tag (was growing, 2.19×)
Marketing YC tag (was growing, 3.01×)
Search Engine description cluster (was growing, 4.66×)
Generative Models description cluster (was growing, 4.14×)
Tax Filing description cluster (was growing, 3.62×)
Digital Asset description cluster (was growing, 3.63×)
Credit Card description cluster (was growing, 3.80×)
Hedge Fund description cluster (was growing, 2.22×)
Bank Account description cluster (was growing, 1.99×)
Construction YC tag (was growing, 1.57×)
Healthcare Services YC industry (was shrinking, 0.33×)
Health & Wellness YC tag (was growing, 3.52×)
Drug Discovery description cluster (was growing, 3.56×)
Online Learning description cluster (was growing, 2.19×)
Real Estate description cluster (was growing, 2.46×)