Flatiron Labs, based in Texas, backs pre-seed fintech, gaming/media/sports, and healthtech startups, typically as a specialist lead investor.


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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Flatiron Labs reports entry at pre-seed.
Flatiron Labs has not reported a check size.
Flatiron Labs has not reported a lead preference.
No recent activity since September 2026.
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