Skip to main content

Y Combinator — Portfolio, Page 91

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

8,084
Companies
$53.6B
Total invested
$9.7M
Avg. check
46
Industries
Artificial Intelligence (AI) 22Software 14Information Technology 8SaaS 8Generative AI 4B2B 3+40 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

jane@on●●●●●●●.com
linkedin.com/in/●●●●●●
Verified contacts, updated monthly
Get instant access →

Portfolio companies

Showing 2161–2184 of 8,084
DianaHR
September 2025

DianaHR offers AI-powered HR tools that streamline onboarding, attendance, payroll, and employee management for small businesses.

Artificial Intelligence (AI) · San Francisco$3.7M Seed
Hyperbound
September 2025

AI Sales Coaching & Role-Play Platform to Upskill Your Revenue Team | Built for Enterprise

Artificial Intelligence (AI) · San Francisco$15.0M Series A
Parahelp
September 2025

Parahelp is an AI support agent for software companies, handling tickets like a teammate, including refund requests.

Artificial Intelligence (AI) · Copenhagen$18.0M Series A
Diana Health
September 2025

Diana Health offers personalized women's healthcare services in maternity, gynecology, menopause, mental health, and wellness.

Health Care · New York$55.0M Series C
Pond
September 2025

Pond provides an AI-powered messaging app that filters, organizes, drafts, and summarizes messages.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Qualify.bot
September 2025

Qualify.bot is an AI loan onboarding platform tailored for commercial loan brokers and lenders.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Reacher
September 2025

Reacher is an AI platform that streamlines creator discovery, outreach, campaign management, and analytics for TikTok Shop affiliates.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
RealRoots
September 2025

RealRoots guarantees women meaningful new friendships in her city. Come join the magic!

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Rid
September 2025

Rid is a platform that sells items by simply texting a picture and description.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Riff
September 2025

Riff offers an AI-powered music production platform for music creation.

Artificial Intelligence (AI) · New York$500K Pre-Seed
Riverbank
September 2025

Riverbank Security delivers autonomous AI‚Äëdriven penetration testing and offensive security, combining AI agents with expert red teamers.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
RowFlow
September 2025

Replacing forms with AI conversations

Artificial Intelligence (AI) · New York$500K Pre-Seed
Serafis
September 2025

Serafis offers an AI platform for investors and wealth advisors for improved decision-making and product strategy.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Sidekick
September 2025

Sidekick is an AI-powered automation platform that aims to make workflow automation accessible to non-technical users.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Sigmantic AI
September 2025

Sigmantic AI provides AI-powered tools for generating and debugging hardware description language.

Artificial Intelligence (AI) · Boston$500K Pre-Seed
Socratix AI
September 2025

Socratix AI offers autonomous AI agents designed to serve as enterprise-grade fraud and risk analysts.

Artificial Intelligence (AI) · San Francisco$4.0M Seed
Spotlight Realty
September 2025

Spotlight Realty streamlines property sales by handling listing intake, staging, showings, and closing with AI tools and human guidance.

Artificial Intelligence (AI) · New York$500K Pre-Seed
Stagewise
September 2025

Stagewise is an IT Services and Consulting offering SaaS for Product Management, Bug Reporting and Feedback Collections.

Consulting · Bielefeld$500K Pre-Seed
Stellon Labs
September 2025

Stellon Labs develops tiny AI models designed to run on edge devices.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Stockline
September 2025

Stockline is an IT internet firm offering AI based ERP for food wholesalers to reduce admin tasks.

Artificial Intelligence (AI) · Paris$500K Pre-Seed
Tesora
September 2025

Tesora builds AI procurement analysts that conduct supplier discovery, qualification, and negotiation via voice and email.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
The Interface
September 2025

The Interface is an IT and Media firm offering an AI based 3D simulation and modelling techniques for their clients.

Artificial Intelligence (AI) · New York$500K Pre-Seed
Topological
September 2025

Topological develops physics-based foundation models that optimize CAD design by generating manufacturable, physics-aware models.

Artificial Intelligence (AI) · San Francisco$500K Pre-Seed
Uplift AI
September 2025

Uplift AI creates voice AI models for regional languages to enable natural speech interactions and improve digital accessibility.

Artificial Intelligence (AI) · Seattle$500K Pre-Seed

Where Y Combinator invests

Artificial Intelligence (AI)22
Software14
Information Technology8
SaaS8
Generative AI4
B2B3

About Y Combinator's portfolio

How many companies has Y Combinator invested in?▸

Y Combinator has invested in 8,084 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Y Combinator invest in?▸

Y Combinator's top investment sectors include Artificial Intelligence (AI), Software, Information Technology, SaaS, Generative AI. The firm invests across 46 different industry categories.

What is Y Combinator's largest investment?▸

Among tracked funding rounds, Diana Health received $55.0M in a Series C round. Y Combinator's total known invested capital is $53.6B.

What is the average investment size for Y Combinator?▸

Y Combinator's average investment size is $9.7M across its portfolio of 8,084 companies.

What are Y Combinator's most recent investments?▸

Recent Y Combinator portfolio additions include DianaHR, Hyperbound, Parahelp, Diana Health, Pond. These companies were founded in 2020 or later.

Reach the founders behind these 8,084 companies
Verified emails and LinkedIn profiles, updated monthly.
Get instant access →