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JAM Fund
JAM Fund, led by Twitch founder Justin Kan, is an LA-based seed-stage venture firm with over 100 portfolio companies in enterprise software and fintech.
JAM Fund
JAM Fund is an SEC-registered investment adviser since 2020. It manages concentrated portfolios of long positions in public equities. The firm focuses on a small number of high-conviction ideas.
General information
Firm type
Venture Capital
Year founded
2011
AUM
Undisclosed
Location
Region
North America
Country
United States
City
Los Angeles
Corporate office
Los Angeles, CA, United States
Principals
Justin Kan
Founder and General Partner
Michael MacCombie
General Partner
Sector focus
Frequently asked questions
Who runs investment decisions at JAM Fund?
Justin Kan and Michael MacCombie serve as General Partners and make all investment decisions. Kan founded the firm in 2011 after the sale of Twitch to Amazon. MacCombie joined later, formalizing a partnership structure from Kan's original solo-GP setup.
How does JAM Fund source proprietary deal flow?
The firm's deal flow relies heavily on Justin Kan's network from Twitch, Y Combinator, and his online presence. Many founders approach JAM Fund directly because they value Kan's operator experience. The firm also invests frequently alongside Y Combinator batches and elite seed funds.
Is JAM Fund structured as a single family office or does it operate more like a venture firm?
JAM Fund operates as a venture capital firm, not a family office. While Justin Kan's personal capital is likely involved, the firm manages a fund structure with external LPs and co-investors. Its mandate is purely venture capital rather than broader wealth management.
Does JAM Fund participate in fund commitments or only direct deals?
JAM Fund focuses almost exclusively on direct seed-stage investments. There is no public record of the firm making fund-of-funds commitments to other venture managers. The firm writes first-check capital into startups directly.
What investment stages does JAM Fund typically target?
JAM Fund targets pre-seed and seed rounds. The firm often leads or co-leads these early rounds. It does not publicize a growth-stage or Series B+ practice.
Where does the underlying wealth come from?
Justin Kan's wealth originated from the sale of Twitch to Amazon for $970 million in 2014. Before that, he co-founded Socialcam and sold Kiko via eBay. JAM Fund's capital base draws from Kan's founder liquidity and institutional limited partners.
What is JAM Fund's known posture on co-investments alongside external GPs?
JAM Fund routinely co-invests with other top-tier seed funds and angel investors. Portfolio company syndicates have included a16z, Founders Fund, and Seven Seven Six. The firm does not require board seats and is often viewed as a founder-friendly syndicate partner.
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