Do General Catalyst and Y Combinator invest together?

Yes — General Catalyst and Y Combinator appear together in 22 tracked portfolio companies, including 222, AgentMail, Airbnb, Artie, Athelas.

How do General Catalyst and Y Combinator compare on check size?

General Catalyst typically writes checks of $30M, while Y Combinator writes $500K.

Two firms that co-invest: side by side on stage, sector, check size, and track record, from public filings and the firms' own sites.

	General Catalyst	Y Combinator
Type	Venture capital	Accelerator
HQ	San Francisco	San Francisco
Founded	2000	2005
Check size	$30M	$500K
Stages	Pre-Seed, Seed, Series A, Series B, Series C, Growth, Late Stage	Pre-Seed, Seed, Series A
Sectors	Advanced Manufacturing, AI & Machine Learning, Biotech, Consumer, Defense Tech, Digital Health, E-commerce, Energy, Enterprise Software, Fintech, Hardware, Healthtech, Sector Agnostic, Travel & Hospitality	AI & Machine Learning, Biotech, Climate Tech, Deep Tech, EdTech, Robotics, SaaS, Sector Agnostic, Space Tech
AUM	$45.5B	—
Tracked investments	211	6,130
Exits (acquired/public)	7	839
Led rounds on record	17	21
Dated deals, last 24 mo	21	1304

Do General Catalyst and Y Combinator invest together?: Yes — General Catalyst and Y Combinator appear together in 22 tracked portfolio companies, including 222, AgentMail, Airbnb, Artie, Athelas.
How do General Catalyst and Y Combinator compare on check size?: General Catalyst typically writes checks of $30M, while Y Combinator writes $500K.