Do Lux Capital and Y Combinator invest together?

Yes — Lux Capital and Y Combinator appear together in 11 tracked portfolio companies, including Astranis, Benchling, Caper, Epsilon3, Ironclad.

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

Lux Capital typically writes checks of $100K – $100M, 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.

	Lux Capital	Y Combinator
Type	Venture capital	Accelerator
HQ	New York	San Francisco
Founded	2000	2005
Check size	$100K – $100M	$500K
Stages	Pre-Seed, Seed, Series A, Series B, Growth	Pre-Seed, Seed, Series A
Sectors	Advanced Manufacturing, AI & Machine Learning, Biotech, Cloud Computing, Data & Infrastructure, Deep Tech, Defense Tech, Digital Health, Energy, Enterprise Software, FemTech, Fintech, FoodTech, Hardware, Healthtech, New Materials, Robotics, Sector Agnostic, Semiconductors, Space Tech	AI & Machine Learning, Biotech, Climate Tech, Deep Tech, EdTech, Robotics, SaaS, Sector Agnostic, Space Tech
AUM	$7B	—
Tracked investments	206	6,130
Exits (acquired/public)	6	839
Led rounds on record	2	21
Dated deals, last 24 mo	8	1304

Do Lux Capital and Y Combinator invest together?: Yes — Lux Capital and Y Combinator appear together in 11 tracked portfolio companies, including Astranis, Benchling, Caper, Epsilon3, Ironclad.
How do Lux Capital and Y Combinator compare on check size?: Lux Capital typically writes checks of $100K – $100M, while Y Combinator writes $500K.