Stout Street Capital
Writes the first institutional check for deep-tech founders across Colorado and the Rocky Mountains, betting on a multi-decade frontier-tech convergence.
Stratus Ventures
Solo-GP fund backing pre-seed and seed founders with an "unfair edge" — lived experience, distribution, or insight others lack.
Strong Ventures
Bi-continental seed fund where ~75% of 270+ portfolio companies are Korean or Korean-diaspora founders, built on a genuine LA-Seoul dual office.
Struck Capital
LA-based seed and pre-seed fund and venture studio backing B2B and B2B2C founders. Leads rounds with hands-on operational support including hiring, PR, and customer intros.
SUM Ventures
Early-stage VC investing from pre-seed to seed+ in fintech, proptech, IoT, AI, medtech, and cleantech startups across the US.
Sunflower Capital
Pre-seed and seed firm led by Sequoia alum Liu Jiang, backing the earliest-stage founders building enterprise infrastructure, AI, developer tools, and defense hardware.
Superangel
Solo-GP pre-seed and seed fund led by Ben Zises writing first checks into Consumer, PropTech, and Future of Work companies. US-focused with 125+ portfolio companies.
Supernatural Ventures
Venture arm of The Angel Group's CPG investor community, backing early-stage food and beverage founders behind breakout brands.
Superorganism
Pre-seed and seed VC dedicated to biodiversity startups
Surface Ventures
Pre-seed and seed fund focused on B2B software at low valuations
Susa Ventures
Seed-stage fund helping founders build billion-dollar companies
Susquehanna Sustainable Investments
Climate-focused early-stage fund backed by Susquehanna International Group, investing in mitigation, adaptation, and removal startups
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Investing long-term in founders to create impact beyond business
SVCI
Angel syndicate of 70+ practicing CISOs who personally back early cybersecurity startups, operating independently but powered by Notable Capital.
Swell VC
Pre-seed and seed VC backing founders rebuilding critical infrastructure with AI across enterprise, space, defense, biotech, industrial, and commerce. NYC-based, operator-led.
Swift Ventures
San Francisco-based early-stage VC led by former founders, investing in AI and automation companies with B2B business models from pre-seed through Series A.
Symphonic Capital
Pre-seed VC backing AI-enabled founders building equitable healthcare and financial services systems for underserved communities. Checks around $250K on sub-$10M valuations.
Taihill Venture
Early-stage VC investing in tech startups
Taiho Ventures
Corporate VC arm of Taiho Pharmaceutical backing early-stage drug discovery, platform technologies, and medical device startups primarily in oncology and immunology.
Tandem Venture Partners
Utah-based venture capital firm investing from pre-seed to Series B+, founded by a former unicorn startup founder to back emerging founders.
Tanis Ventures
NYC-based early-stage VC backing biotech and defense companies with non-dilutive R&D funding access, working closely with scientists and founders.
Tapestry VC
Seed-stage VC backing repeat founders across the US and Europe. Sector-agnostic; portfolio spans consumer tech, cybersecurity, fintech, SaaS, and robotics.
TAU Ventures
Palo Alto early-stage VC backing AI-driven companies in healthcare, enterprise software, and automation, from pre-seed to growth.
Techni Ventures
Micro VC helping Polish and Eastern European founders enter the American market with hands-on operational support.
Showing 553–576 of 655 investors
This list has 655 investors. The full database has 1130.
Get all 1130 Pre-Seed investors in one sheet for $39 one-time. Filter by stage, sector and location in Excel or Google Sheets · Website, offices, stages, sectors, founded year, portfolio link, notes · CSV + Excel
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