All investors$2MQ2 2026Q2 2026Q4 2024Q4 2024
Joule Ventures is a venture capital firm. It invests at pre-seed to seed, it backs companies in AI, Fintech and Cybersecurity and it leads rounds.
Joule Ventures
Office withheld
First-check lead investor for Israeli founders building enterprise software, backing pre-seed and seed companies expanding into US markets.Source
At a glance
- Stage
- Pre-seed to Seed
- Industry
- AIFintechCybersecurity
- Lead
- Leads
- How to pitch
- Application form
Their office is a private residence, so only the region is shown.
What they look for
Backs Israeli founders solving enterprise inefficiencies in areas like DevOps, cybersecurity, fintech, AI, data enablement and software. Acts as a hands on lead investor at pre-seed and seed, then helps with US market validation, customer connections and Series A fundraising.
Latest fund
- Fund size
- $52M
Their largest fund closed in the last two years, per SEC filings. This is the fund's size, not a check size.
From SEC filings
Board seats1
Atomation Net Ltd
Saint Louis, MO · Technology
company round · Q2 2025
Companies where one of their partners holds a board or officer seat. Typical round: $1M to $5M. Amounts are the company's whole round, not this investor's check.
Named on filings2
Brian Rosenzweig
Director
Last filed 18 June 2026
Daniel Frankenstein
Director
Last filed 18 June 2026
Funds
Joule Ventures V, L.P.
$52M closed of a $100M target
Joule Ventures V-A, L.P.
$9M closed of a $100M target
Joule Ventures V, L.P.
$33M closed of a $100M target
Joule Ventures V-A, L.P.
$7M closed of a $100M target
10 venture funds in total. Shown here are the ones that filed in the last two years.
Fund filings by quarter
Q3 2024Q2 2026
SourcesLast updated 29 September 2026
Told us whether they lead, the stage they invest at and what they look for. Checked 23 September 2026.
Told us their logo, what they invest in and the one-line description above. Checked 23 September 2026.
Told us how they take pitches and how to apply. Checked 23 September 2026.
Website
Confirmed as theirs on 22 September 2026.
SEC Form D, 4 filings
Funds, partners and board seats. Filed between 2 October 2024 and 18 June 2026.
SEC Form ADV
Firm name, office and fund count. CRD 307760. Last filed 18 March 2026.