Jack Altman – Startup Investor Profile

General Info

Location: San Francisco, California
Country:
Industries:
Investment Regions:
Investment Stages: pre-seed, seed, series-a

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🤖 AI Activity Report

Status: very-active

AI Reasoning: Search results show Jack Altman announced and closed a $275M Alt Capital II fund on Sep 16, 2025 and has been actively investing from his prior fund in early 2024 (investments including David AI and Owner.com). The most recent activity found is Sept 16, 2025, which is less than 6 months before the evaluation date, indicating very recent investment activity.

Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.

Warm Intros from Portfolio Companies

Alexander Cui
Founder
GPTZero
Lawrence Murata
Founder
Slope

Founder
Rogo

Founder
Didero

Investment Regions Map

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