Big Brain Holdings — pre-seed/seed VC Firm ($100K–$1.0M Checks)
Big Brain Holdings is a pre-seed/seed venture capital firm based in San Francisco, CA investing in Other, Developer Tools. The firm typically writes $100K–$1.0M checks.
- Check size
- $100K–$1.0M
- Partners
- 2 listed
- Stage
- pre-seed/seed
- Sectors
- Other, Developer Tools
- HQ
- San Francisco, CA
- AUM
- Not in our records
Last verified: 2026-10-07
pre-seed/seed
$100K – $1.0M
2 partners
Investment Thesis
Crypto-native early investor focused on protocols, DeFi, and infrastructure. Well suited to experimental, technical, and liquid-on-chain financial primitives.
How Big Brain Holdings invests
Big Brain Holdings is a vc firm based in San Francisco, CA. The firm invests at the pre-seed/seed stage, with a focus on Other, Developer Tools.
Big Brain Holdings typically writes checks of $100K–$1.0M per investment.
Partners & Team
General partner team
GP
Sam Kim
Managing Partner
Industry Focus
Invests In
- •Raising at pre-seed/seed? You're squarely in their sweet spot.
- •Lead with your fit in Other, Developer Tools — the sectors they actively back.
- •Size your ask to their typical $100K – $1.0M check.
- •cold outreach ok
- •Address your outreach to a specific partner, such as General partner team, GP.
- •A warm introduction beats a cold email. Get matched and request an intro.
Browse More Investors
Fundraising resources
Frequently Asked Questions
See if Big Brain Holdings is a match for your startup
Upload your pitch deck to see how well you match with Big Brain Holdings and 10,000+ other investors.
Ask your AI assistant about this investor: connect InvestorMatch to Claude or ChatGPT
Is this your profile? Request a correction or removal