EcoR1 Capital logo

EcoR1 Capital

BiotechHealthcareBiotechnology

Total Raises

41

Lead

5

Participant

36

First Deal

Dec 17, 2013

Latest Deal

Jan 8, 2026

Avg Deal Size

$100.95M

Activity Timeline

Monthly deal count over time

Pro Feature

Upgrade to Pro to view full details

All Investments

Showing 1 of 41 investments
DateCompanyRoundAmountRoleIndustry
1/8/2026Diagonal TherapeuticsSeries B$125 MillionParticipantBiotechnology

Upgrade to Pro to view full details

Industry Breakdown

Portfolio concentration by sector

Pro Feature

Upgrade to Pro to view full details

Stage Focus

Investment activity by round type

Pro Feature

Upgrade to Pro to view full details

Co-investor Network

Most frequent co-investment partners (top 15)

Pro Feature

Upgrade to Pro to view full details

🚀 Startup Funding Intelligence

Discover startups raising capital and the investors backing them.