Y Combinator

Investment firm

Y Combinator

Accelerator, Venture capital

WebsiteCrunchbase profileSan Francisco·California·United States3known portfolio companies15people tracked5co-investors

Y Combinator is an accelerator and venture capital firm. Based in San Francisco, California, United States. Among the 3 companies in the known portfolio are Algolia, Humanloop and GetAccept.

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Investment focus

Who to pitch at Y Combinator

Y Combinator portfolio companies (3)

  • Algolia
  • Humanloop
  • GetAccept

Co-investors

Funds that share portfolio companies with Y Combinator.

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About Y Combinator

The firm's listing covers sectors AI, Commerce, FinTech and Healthcare, and focus areas API, Analytics, Data and Developer Tools; known deals cluster at Pre-Seed, Seed and Series A.

The team counts 15 people in our database. Surbhi Sarna (General Partner), Mathis Cynthia Lynn (Chief Executive Officer) and Bridget Sherrod (Chief Executive Officer) are shown as the contacts to pitch.

Y Combinator shares portfolio companies with 5 other investment firms, among them CapitalX, DAG Ventures and Steadfast Financial.

Frequently asked questions

What is Y Combinator?

Y Combinator is an accelerator and venture capital firm based in San Francisco, California, United States, with a known portfolio of 3 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.

What does Y Combinator invest in?

Listed sectors include AI, Commerce, FinTech and Healthcare; listed focus areas include API, Analytics, Data and Developer Tools. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.

What stage does Y Combinator invest at?

The known deals of Y Combinator include Pre-Seed, Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.

Who should I pitch at Y Combinator?

3 of the 15 people on file at Y Combinator are listed as contacts for the firm. All 15 have their own profile page.

How do I contact Y Combinator?

Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 15 people attached to the firm have their own pages, each showing whether an address is on file for them.

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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal