Base4 Capital is a Menlo Park-based venture capital firm investing in people transforming biology into information science. It backs companies at the intersection of biology and information science across North America.
Their most common stage is series-a (71% of deals). Average disclosed round size is $21.1M (across 7 rounds with reported amounts).
Portfolio
7
Fund Size
$9.3M
Top Stage
Series A
Last 12 Mo
1
Team
AJ
Amol Jain
Managing Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
7 investments
Top Co-Investors
NFX3 shared
Future Fund2 shared
Base2 shared
LionBird1 shared
Amplify Partners1 shared
Bold Capital Partners1 shared
True Ventures1 shared
Stonks1 shared
Kendall Capital Partners1 shared
Kingsway Capital1 shared
Avenir Growth1 shared
Tiger Global Management, LLC1 shared
Concentric1 shared
The Raba Partnership1 shared
Nordstar1 shared
Norrsken VC1 shared
firstminute capital1 shared
Giant Ventures1 shared
Founder Collective1 shared
Macquarie Capital1 shared
Last updated: 7 October 2026