Alt Capital

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Early-stage investor writing $1–25M checks, operating as a tiny, operator-led team (founder Jack Altman) that maintains direct founder relationships and is a preferred AI/software co-investor with Sequoia and Y Combinator.
Stages they invest in
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Sectors they invest in
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Avg Check size
$1M - $10M
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Can They Lead?
Yes
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Location
San Francisco
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Geographies They Invest in
USA
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Alt Capital
Sectors
AI
Enterprise
SaaS
Energy
Fintech
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Avg Check
$1M - $10M
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Leads?
Yes
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Close X
Industries
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What Makes them Unique

Alt Capital is a 2023-founded San Francisco firm that has built an unusually large early-stage portfolio (40+ companies) in just two years, functioning as a tiny team that writes $1-25M checks like a much larger institutional fund but maintains direct founder relationships. The firm differentiates itself through founder Jack Altman's operator background (previously built Lattice) and "founder-philosopher-led" approach, quickly becoming a preferred co-investor for top-tier firms like Sequoia and Y Combinator in competitive AI and software rounds.

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