Insights

Rapid Investment Growth Y Combinator has recently increased its investment activity across a diverse portfolio of early-stage startups, indicating a high demand for innovative technologies and scalable solutions. This presents opportunities to offer funding-related services, startup support tools, or market expansion solutions tailored for emerging companies in their investment ecosystem.

Focus on AI and Healthcare With recent investments in AI-powered startups like Magic Patterns and healthcare-focused companies like Decoda Health, there is a clear inclination towards advanced technological sectors. Sales opportunities exist in AI development tools, healthcare IT solutions, and data security platforms that cater to startups aiming to innovate in these high-growth industries.

Large Revenue Scale Y Combinator’s substantial revenue range of between one and ten billion dollars highlights their significant market presence and purchasing power. This indicates potential for enterprise-level solutions, such as enterprise SaaS, portfolio management tools, and customized consulting services to support their ongoing operational needs.

Startup Community Network As a leading startup accelerator with an extensive network of over 4,500 companies, Y Combinator offers a prime channel for B2B outreach. Engaging with their portfolio companies directly or providing value-added services like mentorship platforms, talent acquisition, or product development can unlock new sales opportunities within this vibrant startup ecosystem.

Tech Stack Compatibility Y Combinator’s utilization of diverse technologies such as Google Drive, LinkedIn, and innovative coding tools suggests openness to digital solutions that enhance collaboration, data management, and security. Solutions in cloud services, integration tools, or cybersecurity tailored for startups and accelerators could effectively position for future sales opportunities.

Y Combinator Tech Stack

Y Combinator uses 8 technology products and services including Gradle, MatterMark, Google Drive, and more. Explore Y Combinator's tech stack below.

  • Gradle
    Build Automation
  • MatterMark
    Business Intelligence
  • Google Drive
    Document Management Systems
  • DoorDash
    Food Ordering And Delivery
  • LinkedIn
    Online Community Software
  • Haskell
    Programming Languages
  • X-Content-Type-Options
    Web & Portal Technology
  • Facebook
    Widgets

Media & News

Y Combinator's Email Address Formats

Y Combinator uses at least 1 format(s):
Y Combinator Email FormatsExamplePercentage
First@ycombinator.comJohn@ycombinator.com
83%
FLast@ycombinator.comJDoe@ycombinator.com
8%
FL@ycombinator.comJD@ycombinator.com
6%
Last@ycombinator.comDoe@ycombinator.com
3%

Frequently Asked Questions

What is Y Combinator's phone number?

Minus sign iconPlus sign icon
You can contact Y Combinator's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Y Combinator's official website and social media links?

Minus sign iconPlus sign icon
Y Combinator's official website is ycombinator.com and has social profiles on LinkedIn.

What is Y Combinator's SIC code NAICS code?

Minus sign iconPlus sign icon
Y Combinator's SIC code is 6726 - Unit Investment Trusts, Face-Amount Certificate Offices, and Closed-End Management Investment Offices NAICS code is 52391 - Miscellaneous Intermediation.

How many employees does Y Combinator have currently?

Minus sign iconPlus sign icon
As of December 2025, Y Combinator has approximately 5.1K employees across 6 continents, including North AmericaAsiaEurope. Key team members include CEO: C. S.Ceo: L. M.Chief Executive Officer: T. P.. Explore Y Combinator's employee directory with LeadIQ.

What industry does Y Combinator belong to?

Minus sign iconPlus sign icon
Y Combinator operates in the Venture Capital and Private Equity Principals industry.

What technology does Y Combinator use?

Minus sign iconPlus sign icon
Y Combinator's tech stack includes GradleMatterMarkGoogle DriveDoorDashLinkedInHaskellX-Content-Type-OptionsFacebook.

What is Y Combinator's email format?

Minus sign iconPlus sign icon
Y Combinator's email format typically follows the pattern of First@ycombinator.com. Find more Y Combinator email formats with LeadIQ.

When was Y Combinator founded?

Minus sign iconPlus sign icon
Y Combinator was founded in 2005.

Y Combinator

Venture Capital and Private Equity PrincipalsUnited States5001-10000 Employees

Y Combinator is the leading startup accelerator for entrepreneurs. Since 2005, YC has invested in over 4,500 companies, including Airbnb, Dropbox, Stripe, Reddit, Instacart, DoorDash, and Coinbase. Today, YC has built the most powerful startup community in the world alongside the products and programs to support founders for the life of their company.

Section iconCompany Overview

Phone number
SIC Code
6726 - Unit Investment Trusts, Face-Amount Certificate Offices, and Closed-End Management Investment Offices
NAICS Code
52391 - Miscellaneous Intermediation
Founded
2005
Employees
5001-10000

Section iconFunding & Financials

  • $1B$10B

    Y Combinator's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    Y Combinator's revenue is estimated to be in the range of $1B$10B

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.