Mosaik Partners, based in California, backs fintech startups at Seed and Series A with $1 million to $3 million checks, typically following other investors, as in Sigma360 and MagicCube.
4 people on the investing team, 4 of them partners who can make the call. Partners are listed first.




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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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Mosaik Partners reports entry at seed, series a.
Mosaik Partners reports checks of $1M to $3M.
Mosaik Partners mostly follows other investors.
Howard Mergelkamp (Managing Partner), Miles Kilburn (Managing Partner), Eric Varney (Partner), John Katzenmeyer (Partner).
No recent activity since September 2026.
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