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Starship Ventures

Pre-Seed Seed

Early-stage deep tech fund backing founders in hardware, robotics, space, AI, biotech, and advanced manufacturing with a debut $30M fund.

Los Angeles
DeepTech · AI/ML +6
Early Stage · Founder-Led

StartFast Ventures

Seed Series A

Operator-led seed/Series A fund backing B2B AI-native founders outside Silicon Valley, where capital is leaner and revenue comes first.

Syracuse
B2B AI native · AI/ML +1
Operator-Led · Early Stage

Startup Capital Ventures x SBI Fund

Seed Series A

Early-stage VC for B2B tech in FinTech, Cybersecurity, SaaS & DeepTech.

Menlo Park
B2B Software · Enterprise SaaS +8
Early-Stage · B2B Tech

Steel Atlas

Seed Series A

NYC-based early-stage fund backing software and hardware companies reshaping the industrial economy.

New York
DeepTech · AI/ML +7
Thesis-Driven · Early Stage

Stellar Ventures

Pre-Seed Seed Series A

Woman-led early-stage VC investing in space technology companies and mission-driven entrepreneurs across the space economy.

San Francisco
SpaceTech · Defense Tech +7
Early Stage · Female-Owned

Stellaris Venture Partners

Pre-Seed Seed Series A

Bengaluru-based early-stage, sector-agnostic India-focused VC leading from idea stage through Series A across software, fintech, consumer, AI, healthtech, and sustainability.

Bengaluru
AI/ML · SaaS/Software +5
Early Stage · Sector-Agnostic

Sterling Road

Pre-Seed Seed

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.

San Francisco
AI/ML · Fintech +10
Solo GP · Pre-Traction

STIC Ventures

Seed Series A Series B

Seoul-based VC arm of STIC Investments backing early- to growth-stage tech, healthcare, and biotech companies across Korea and Asia.

Seoul
AI/ML · SaaS/Software +8
Corporate VC · Multi-Stage

STOAF

Seed Series A

Stockholm-based angel fund backing deep tech B2B ventures with global potential

Stockholm
Life Sciences · Biotech +9
B2B · Angel Group

Stone Mountain Ventures

Pre-Seed Seed

Solo-GP healthcare VC backing pre-seed and seed founders in care delivery, behavioral health, and healthcare AI infrastructure.

Dallas
HealthTech · AI/ML +9
Solo GP · Healthcare-Focused

Stony Lonesome Group

Seed Series A Series B

VC/PE firm backing dual-use and veteran-led tech companies

Tampa
Dual-Use · National Security +19
Dual-Use · Defense-Focused

Storm Ventures

Seed Series A

Early-stage B2B enterprise VC backing software startups in cybersecurity, infrastructure, and AI across North America, Europe, and Asia.

Palo Alto
B2B SaaS · Enterprise +8
Early Stage · Thesis-Driven

Story Ventures

Pre-Seed Seed Series A

Invests in the building blocks of automated systems, betting early on sensory data, processing, and machine intelligence.

New York
Sensory Systems · Data Processing +2
Thesis-Driven · Early-Stage

StoryHouse Ventures

Pre-Seed Seed

Early-stage VC investing exclusively in founders from the Claremont Colleges ecosystem. Backs pre-seed and seed companies across sectors with community and network support.

Los Angeles
SaaS/Software · HealthTech +8
Solo GP · Early Stage

Storytime Capital

Pre-Seed Seed

Backs pre-seed and seed founders redefining how people find work, manage workers, and execute tasks.

Toronto
Future of Work · Gig Economy +5
Thesis-Driven · Early Stage

Stout Street Capital

Pre-Seed Seed

Writes the first institutional check for deep-tech founders across Colorado and the Rocky Mountains, betting on a multi-decade frontier-tech convergence.

Denver
DeepTech · BioTech +8
DeepTech · Early Stage

Stratus Ventures

Pre-Seed Seed

Solo-GP fund backing pre-seed and seed founders with an "unfair edge" — lived experience, distribution, or insight others lack.

San Francisco
Agentic AI · Infrastructure +6
Solo GP · Early Stage

Streamlined Ventures

Seed Series A

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.

San Francisco
AI/ML · SaaS/Software +8
Solo GP · Early Stage

Stripes

Series B Series C Series D

Global growth investor backing product-led companies across consumer, enterprise software, fintech, and digital health with a focus on helping exceptional products scale.

New York
Consumer · SaaS/Software +6
Global VC · Growth Stage

Strong Ventures

Pre-Seed Seed Series A

Bi-continental seed fund where ~75% of 270+ portfolio companies are Korean or Korean-diaspora founders, built on a genuine LA-Seoul dual office.

Los Angeles · Seoul
SaaS/Software · Fintech +8
Founder-Led · Generalist

Struck Capital

Pre-Seed Seed

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.

Los Angeles
SaaS/Software · Fintech +6
Venture Studio · Operator-Led

Suffolk Technologies

Seed Series A Series B

Corporate VC arm of Suffolk Construction backing early-stage startups in construction, real estate, and infrastructure tech.

Boston
PropTech · ClimateTech +7
Corporate VC · Early Stage

SUM Ventures

Pre-Seed Seed

Early-stage VC investing from pre-seed to seed+ in fintech, proptech, IoT, AI, medtech, and cleantech startups across the US.

Los Angeles
Fintech · PropTech +11
US-Centric · Early Stage

Suma Capital

Seed Series A Series B

Barcelona-based responsible investment manager with three strategies: sustainable infrastructure, growth PE, and cleantech venture, active since 2007.

Barcelona · Madrid +2
ClimateTech · Infrastructure +7
Europe-Focused · Multi-Stage

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