Sony Innovation Fund
Sony Group's global CVC platform with $430M+ AUM investing in early to late-stage startups across deep tech, entertainment tech, enterprise tech, fintech, climate tech, and location-based entertainment.
SOSV
Global venture firm backing deep tech founders for human and planetary health
Source Code Capital
Beijing-based Chinese VC investing across seed to growth stages in AI, robotics, intelligent manufacturing, internet, consumer, healthcare, and biotech with 300+ portfolio companies.
Sozo Ventures
US-Japan cross-border VC backing category leaders in data technology, e-commerce, enterprise cloud, fintech, and healthcare IT from seed to pre-IPO.
Space Frontiers Fund
Japan-focused fund investing in space startups across satellite infrastructure, remote sensing, on-orbit services, deep space, and launch access.
Space VC
US-focused pre-seed fund writing $750K–$2M checks into frontier tech founders on day zero, spanning space, defense, AI, semiconductors, autonomy, and advanced manufacturing.
Spacecadet Ventures
Pre-seed and seed VC writing $100K–$500K checks into frontier tech founders. Pairs capital with marketing and brand-building support. Co-founded by Daniel Eckler and Wiz Abdulla.
SPLY Capital
Co-founded by former operators, this firm pairs early-to-growth-stage capital with a founder-informed lens across AI, robotics, and infrastructure.
Spring Impact Capital
Early-stage Canadian impact fund investing in climate, health, and sustainability ventures for VC-like returns.
SquareOne
Rebranded from Paua Ventures: B2B pre-seed/seed fund that guarantees portfolio companies their first customers via its network of executives and founders.
Starburst Ventures
Pre-seed to seed fund investing up to $1M in aerospace, defense, and deep tech startups; ITAR & CFIUS compliant, no warm intro required.
Starship Ventures
Early-stage deep tech fund backing founders in hardware, robotics, space, AI, biotech, and advanced manufacturing with a debut $30M fund.
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Woman-led early-stage VC investing in space technology companies and mission-driven entrepreneurs across the space economy.
Sterling Road
San Francisco solo-GP fund led by Ash Rust, coaching pre-seed B2B founders for months before investing, taking them from idea to $1M revenue.
Stony Lonesome Group
VC/PE firm backing dual-use and veteran-led tech companies
Storm Ventures
Early-stage B2B enterprise VC backing software startups in cybersecurity, infrastructure, and AI across North America, Europe, and Asia.
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.
Streamlined Ventures
Solo-GP seed fund led by Ullas Naik investing in visionary founders across software, AI, fintech, logistics, and deep tech. Leads or co-leads rounds across most verticals.
Suffolk Technologies
Corporate VC arm of Suffolk Construction backing early-stage startups in construction, real estate, and infrastructure tech.
SUM Ventures
Early-stage VC investing from pre-seed to seed+ in fintech, proptech, IoT, AI, medtech, and cleantech startups across the US.
Sunfish Partners
Early stage VC investing in defense tech startups from Eastern Europe (CEE)
Superangel
Early stage funding for world-changing tech in the Baltics and Nordics
Superorganism
Pre-seed and seed VC dedicated to biodiversity startups
Sure Valley Ventures
Operator-led seed VC backing AI software founders in the UK and Ireland since 2017. Leads rounds of £250K–£1.5M with deep technical due diligence and active Series A support.
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