Rayzebio

R&D company focused on manufacturing of cancer drugs

placeSan Diego, California, United States calendar_todayFounded 2019 groups88 employees language rayzebio.com

Innovation

15 patent families (1 granted) — focus: Human necessities, Chemistry & metallurgy; filing pace accelerating. Cited 726 times.

YearFilings
20223
20236
20249
20259
20265

Social engagement

Social engagement: 24.6K social following, 2 posts in the last 12 months — below the industry typical range.

Investor mix

24 investors on record; lead investors include Venrock, VenBio, Versant Ventures, Viking Global Investors; 6 have since exited.

Investor typeCountShare
Venture capital938%
Private equity625%
Bank & private debt28%
Other / undisclosed729%

Recent activity

21 Jan 2026
Expansion
San Diego
Coming soon