Joule Ventures (formerly Janvest Capital Partners) is a U.S.-based partner-only seed fund investing in Israeli entrepreneurs commercializing enterprise-grade solutions in U.S. markets. The firm focuses on cybersecurity, data, cloud, AI, and fintech.
Their most common stage is seed (83% of deals). Average disclosed round size is $20.6M (across 11 rounds with reported amounts).
Portfolio
12
Fund Size
—
Top Stage
Seed
Last 12 Mo
0
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
12 investments
Top Co-Investors
Ibex Investors2 shared
First Rays Venture Partners2 shared
Fusion Fund2 shared
Gefen Capital2 shared
Revaia2 shared
Janvest2 shared
Cortical Ventures1 shared
Citi Ventures1 shared
Selah Ventures1 shared
Restive Ventures1 shared
Jungle Ventures1 shared
GoAhead Ventures1 shared
Fresh.fund1 shared
Accomplice1 shared
OurCrowd1 shared
Ulysses Management LLC1 shared
other angel investors1 shared
Capital One Ventures1 shared
Red Dot Capital Partners1 shared
Last updated: 20 October 2026