Do Kleiner Perkins and Y Combinator invest together?

Yes — Kleiner Perkins and Y Combinator appear together in 13 tracked portfolio companies, including Avoca, Bun, DoorDash, Flock Safety, Instacart.

How do Kleiner Perkins and Y Combinator compare on check size?

Kleiner Perkins typically writes checks of $500K – $15M, 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.

	Kleiner Perkins	Y Combinator
Type	Venture capital	Accelerator
HQ	Menlo Park	San Francisco
Founded	1972	2005
Check size	$500K – $15M	$500K
Stages	Pre-Seed, Seed, Series A, Series B, Series C, Growth, Late Stage	Pre-Seed, Seed, Series A
Sectors	AI & Machine Learning, Biotech, Cloud Computing, Consumer, Deep Tech, Developer Tools, Digital Health, Enterprise Software, Fintech, Gaming, Hardware, Healthtech, LegalTech, Medical Devices, Robotics, SaaS, Sector Agnostic, Semiconductors	AI & Machine Learning, Biotech, Climate Tech, Deep Tech, EdTech, Robotics, SaaS, Sector Agnostic, Space Tech
AUM	$6B	—
Tracked investments	171	6,130
Exits (acquired/public)	19	839
Led rounds on record	14	21
Dated deals, last 24 mo	7	1304

Do Kleiner Perkins and Y Combinator invest together?: Yes — Kleiner Perkins and Y Combinator appear together in 13 tracked portfolio companies, including Avoca, Bun, DoorDash, Flock Safety, Instacart.
How do Kleiner Perkins and Y Combinator compare on check size?: Kleiner Perkins typically writes checks of $500K – $15M, while Y Combinator writes $500K.