Do B4 Capital and Y Combinator invest together?

Yes — B4 Capital and Y Combinator appear together in 13 tracked portfolio companies, including Finku, Flutterwave, Fountain, Khatabook, Lively, Inc..

How do B4 Capital and Y Combinator compare on check size?

B4 Capital typically writes checks of $10M – $50M, 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.

	B4 Capital	Y Combinator
Type	Venture capital	Accelerator
HQ	—	San Francisco
Founded	2015	2005
Check size	$10M – $50M	$500K
Stages	Pre-Seed, Seed, Series A, Series B, Series C, Growth, Late Stage	Pre-Seed, Seed, Series A
Sectors	AI & Machine Learning, Biotech, Cleantech, Climate Tech, Cloud Computing, Digital Health, Energy, Enterprise Software, Fintech, Healthtech, Impact & Social Good, Medical Devices	AI & Machine Learning, Biotech, Climate Tech, Deep Tech, EdTech, Robotics, SaaS, Sector Agnostic, Space Tech
Tracked investments	156	6,130
Exits (acquired/public)	4	839
Led rounds on record	—	21
Dated deals, last 24 mo	7	1304

Do B4 Capital and Y Combinator invest together?: Yes — B4 Capital and Y Combinator appear together in 13 tracked portfolio companies, including Finku, Flutterwave, Fountain, Khatabook, Lively, Inc..
How do B4 Capital and Y Combinator compare on check size?: B4 Capital typically writes checks of $10M – $50M, while Y Combinator writes $500K.