New York

J4.Ventures

J4.Ventures is a New York based generalist that backs Pre-Seed to Series A startups, investing in companies like Yoodli and Gooey.ai.

Entry stagePre-seed, Seed, Series A
Check sizen/a
Leads roundsn/a
FocusGeneralist
Latest fundn/a
Investing team4 peopleNo activity since Sep

Who you would pitch at J4.Ventures

4 people on the investing team, 4 of them partners who can make the call. Partners are listed first.

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Check size not reported yet.

Bars: how many firms in the atlas report each band. Highlighted: this firm.

No recent activity since September 2026. Quiet does not mean closed.

Weekly count of activity updates. Activity is not a confirmed deal.

Notable investments

YoodliAtom LimbsWordwareGooey.aiLearnLuxUpwage

In their words

J4.VenturesJ4 Ventures | helps exceptional early stage entrepreneurs realize their visionwww.j4.ventures
Founders and investors at a Mode VC gathering

Send Mode VC your deck

Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.

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Alert me when J4.Ventures is active

One email when this firm shows new activity. Nothing else.

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Questions

What stage does J4.Ventures invest in?

J4.Ventures reports entry at pre-seed, seed, series a.

How much does J4.Ventures invest?

J4.Ventures has not reported a check size.

Does J4.Ventures lead rounds?

J4.Ventures has not reported a lead preference.

Who are the partners at J4.Ventures?

Bruce Jaffe (General Partner), Erik Johnson (General Partner), Jamie Rapperport (General Partner), John Mitchell (General Partner).

Is J4.Ventures active right now?

No recent activity since September 2026.

Work at J4.Ventures? Claim or correct this profile.