3rd Rail Capital
3rd Rail Capital is a Pre-Seed venture capital firm based in San Francisco, CA investing in Fintech, Other. The firm typically writes $50K–$300K checks and has 1 portfolio company in our records.
- Check size
- $50K–$300K
- Portfolio
- 1 company on record
- Partners
- 1 listed
- Stage
- Pre-Seed
- Sectors
- Fintech, Other
- HQ
- San Francisco, CA
- AUM
- Not in our records
Last verified: 2026-05-23
Pre-Seed
$50K – $300K
1+ companies
1 partner
Investment Thesis
Focuses on fintech infrastructure with an emphasis on blockchain-based systems for lending and payments.
How 3rd Rail Capital invests
3rd Rail Capital is a vc firm based in San Francisco, CA. The firm invests at the Pre-Seed stage, with a focus on Fintech, Other. It does not invest in Consumer-facing apps.
3rd Rail Capital typically writes checks of $50K–$300K per investment.
3rd Rail Capital has backed 1 company in our records, including TapCredit.
Partners & Team
Michael Carter
Partner
Industry Focus
Invests In
Does Not Invest In
Portfolio Companies (1)
Other
TapCredit
- •Raising at Pre-Seed? You're squarely in their sweet spot.
- •Lead with your fit in Fintech, Other — the sectors they actively back.
- •Size your ask to their typical $50K – $300K check.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Michael Carter, Partner.
- •A warm introduction beats a cold email. Get matched and request an intro.
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