AI Pre-Seed Venture Capital Firms in San Francisco
Skip weeks of manual investor research with a filtered list of active investors.
Active Pre-Seed investors with offices in San Francisco — sourced from recent funding rounds.
One-time purchase · Instant access
Download AI Investor ListCSV + Excel · No subscription
Includes: firm name · website · stages · sectors · offices · portfolio links
1984 Ventures
Backing founders using AI to solve real problems
468 Capital
Investment firm backing founder-led technology companies defining new categories
A* Capital
Early-stage VC investing in ambitious technology startups globally
A&E Investments
Boutique VC investing from pre-seed to IPO in semiconductors, AI/ML, enterprise software, and healthcare. Early first-check focus in deep technology.
ACME Capital
Early-stage deep tech VC backing founders in frontier technologies across defense, health, compute, and industrial systems in the US and Europe.
Afore Capital
Pre-Seed VC fund backing product-oriented founders at day zero of their journey.
Aina Climate AI Ventures
Early-stage fund and startup studio leveraging AI for climate impact
AIX Ventures
Early-stage venture firm focused on companies developing industry-changing AI, led by top AI practitioners and researchers.
Alt Capital
Early-stage venture capital firm investing in bold founders building the future
Looking for more AltaIR Capital investors?
Active Pre-Seed investors with offices in San Francisco — sourced from recent funding rounds. Download as a ready-to-use CSV — no manual research, no stale databases.
Download AI Investor List →AltaIR Capital
International early-stage VC backing disruptive global startups with high potential
Amity Ventures
San Francisco pre-seed and seed VC writing $1–5M first checks into 3–5 companies per year. Concentrated, hands-on, board-level partner to category-defining founders.
Anomaly Fund
Pre-seed and seed fund backing frontier tech startups that challenge consensus frameworks, including defense tech, AI, and deep science.
Anorak Ventures
Pre-seed and seed fund in San Francisco and LA backing deep tech companies across defense, hardware, robotics, and enterprise software since 2016.
Antiportfolio Ventures
Early-stage LegalTech fund investing $200K–$2M in AI and legal technology startups, including SaaS applications, AI-first law firms, and companies in regulated spaces.
Antler
Early-stage VC backing founders from day zero to greatness
ARC180
San Francisco-based pre-seed to Series A firm backing Indian-origin founders building global technology businesses in enterprise software, SaaS, fintech, and consumer.
Array Ventures
Early-stage firm backing technical founders in enterprise data and AI
Atinc
Boutique venture capital firm backing founders at incorporation and beyond
Atomic
Venture studio that co-founds and funds its own companies
Audacious Ventures
Partnering with ambitious tech founders to achieve audacious goals.
BAG Ventures
Investing in visionary founders building cutting-edge enterprise solutions
Bain Future Back Ventures
Venture fund within Bain & Company investing in early-stage startups
Base10 Partners
Technology investment firm investing in founders solving problems for the 99%
Basecase
Solo GP writing the first check to pre-idea and pre-traction founders, leading rounds of $1–5M with no board seat and no pitch meetings required.
Basis Set Ventures
Early-stage VC firm specializing in Artificial Intelligence (AI) and automation, focused on scaling human potential and improving productivity across all sectors.
Bee Partners
Pre-Seed VC investing in deep-tech, AI, robotics, and human-machine startups
Big Brain Holdings
Multi-strategy crypto-native fund backing early-stage founders in blockchain, DeFi, Web3, AI, and robotics. Rooted in cypherpunk values.
Blank Space Ventures
Early-stage venture capital firm focused on AI infrastructure and vertical AI applications.
Bloomberg Beta
We invest at early stages, in companies that make business work better.
BoxGroup
Investing in dreams at the earliest stage
Brainstorm Ventures
Small generalist VC founded in 1999 by former exited founders, investing at earliest stages in category-defining North American startups with roots in Silicon Valley and Mexico City.
Brainworks Ventures
AI-native venture fund investing in startups solving global challenges
Buckley Ventures
VC firm investing in early-stage transformative tech startups
Canonical Crypto
San Francisco pre-seed firm writing $500K–$1.5M first checks into technical founders building post-AGI infrastructure across AI, silicon, robotics, and decentralized compute.
Cartography Capital
Early-stage fund backing founders building breakthrough technologies and materials for AI chips, quantum computing, robotics, batteries, biotech, and space.
Category Ventures
Early-stage VC backing technical founders at pre-seed and seed in category-defining enterprise software, spanning AI, infrastructure, developer tools, and applications.
Explore Related Investor Lists
Same focus · Different geography
Same geography · Different focus
Same stage · Different geography
Ready to download the full list?
Active investors · CSV + Excel · One-time purchase · Updated June 2026
Download AI Investor ListIncludes: firm name · website · stages · sectors · offices · portfolio links