Thirdstream Partners
Thirdstream Partners is a California-based specialist fintech investor backing Seed, Series A, and Series B companies, with notable investments including Ripple and Figure.
Who you would pitch at Thirdstream Partners
3 people on the investing team. Partners are listed first.
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Check size not reported yet.
Bars: how many firms in the atlas report each band. Highlighted: this firm.No recent activity since September 2026. Quiet does not mean closed.
Weekly count of activity updates. Activity is not a confirmed deal.Before you pitch
Notable investments
In their words
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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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One email when this firm shows new activity. Nothing else.
Firms like Thirdstream Partners
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Questions
What stage does Thirdstream Partners invest in?
Thirdstream Partners reports entry at seed, series a, series b.
How much does Thirdstream Partners invest?
Thirdstream Partners has not reported a check size.
Does Thirdstream Partners lead rounds?
Thirdstream Partners has not reported a lead preference.
Who are the partners at Thirdstream Partners?
Blake Grossman, Minder Cheng, Ross Hikida.
Is Thirdstream Partners active right now?
No recent activity since September 2026.
Work at Thirdstream Partners? Claim or correct this profile.