Y Combinator is a privately held startup accelerator founded in 2005. The firm does not trade on public exchanges. Based in Mountain View, California, YC has invested in over 8,600 companies including Airbnb, Stripe, and Dropbox.
Stock Price of Y Combinator
Y Combinator is privately held and does not have publicly traded stock. No stock price data exists as shares are not listed on any exchange.
Y Combinator Stock Forecast
Y Combinator has no plans for an initial public offering. The firm operates as a startup accelerator rather than a publicly traded investment vehicle. Its value derives from equity stakes in early-stage companies rather than shareholder returns. Analysts do not issue stock forecasts for YC. The firm's financial success depends on portfolio company exits through acquisitions and IPOs, similar to how Sequoia Capital generates returns.
Y Combinator Valuation
Timeline of Y Combinator Funding
2005
Y Combinator Founded
Paul Graham and co-founders launch YC in Cambridge with first batch including Reddit
2009
Silicon Valley Relocation
Headquarters moves to Mountain View, California
2014
Sam Altman Becomes President
Leadership transition expands YC's scope and batch sizes significantly
2015
YC Continuity Fund Launches
Growth-stage fund established to support portfolio companies beyond seed
2019
Standard Deal Updated
Investment terms changed to $150,000 for 7% equity stake
2022
Investment Terms Expanded
Standard deal increased to $500,000 combining safe notes
2025
AI Agent Focus
Spring batch features 46% AI agent startups, signaling strategic pivot
Y Combinator Investors
Y Combinator functions primarily as an investor in startups. The firm partners with numerous venture capital funds on later-stage deals. Below are top co-investors who frequently back YC portfolio companies alongside firms like Andreessen Horowitz.
Pioneer Fund
Co-investments
172 deals
Stage
Pre-seed / Seed
B2B Software
Fintech
Soma Capital
Co-investments
140+ deals
Stage
Seed
Enterprise
Developer Tools
Goodwater Capital
Co-investments
85+ deals
Stage
Series A+
Consumer Tech
Marketplaces
Gaingels
Co-investments
90+ deals
Stage
Seed to Series B
Diversity Focus
Healthcare
Liquid 2 Ventures
Co-investments
75+ deals
Stage
Pre-seed / Seed
Fintech
SaaS
Khosla Ventures
Co-investments
60+ deals
Stage
Series A to Growth
Deep Tech
AI/ML
