Quiet Capital

Pre-Seed Seed Series A

Builders backing remarkable founders from day zero

San Francisco
AI/ML · Enterprise +7
Enterprise · Consumer

R-Squared Ventures

Pre-Seed Seed Series A

Operators fund backing founders with capital and strategic scaling expertise

Los Altos
Fintech · AI/ML +5
Operator-Led · Founder-Led

R42 Group

Pre-Seed Seed Series A

Silicon Valley family office VC inventing and investing in deep science startups from pre-seed through growth, focused on AI and longevity biotech.

Palo Alto
AI/ML · BioTech +7
Solo GP · Thesis-Driven

Race Capital

Pre-Seed Seed

Early-stage Silicon Valley VC backing infrastructure founders across enterprise software, AI/ML, developer tools, and Web3.

San Francisco
Enterprise · Infrastructure +9
Operator-Led · Thesis-Driven

Rackhouse Ventures

Pre-Seed Seed

Early-stage VC backing AI/ML and data-driven founders

San Francisco
AI companies · AI/ML +13
Early Stage · AI-Focused

Radicle Impact

Pre-Seed Seed Series A

Early-stage US venture firm investing in climate solutions and financial inclusion startups with systems-change potential.

San Francisco
ClimateTech · Fintech +7
Thesis-Driven · Impact-Focused

Raisewell Ventures

Pre-Seed Seed Series A

Global early-to-mid-stage deep tech fund bridging Silicon Valley and Southeast Asia, focused on AI infrastructure, robotics, and health tech.

San Francisco · Berkeley +1
DeepTech · AI/ML +6
Impact-Focused · Thesis-Driven

Range Ventures

Pre-Seed Seed

Denver-based pre-seed and seed fund backing founder-operators with hard-earned insights building N-of-1 companies in overlooked categories.

Denver
SaaS/Software · AI/ML +8
Founder-Led · Operator-Led

RE VC

Pre-Seed Seed Series A

Operator-led VC founded by Alon Gorbonos, exclusively backing pre-seed to Series A proptech, contech and real-estate fintech startups.

New York
Real Estate Tech · Proptech +3
Founder-Led · Operator-Led

Reach Capital

Pre-Seed Seed Series A

Investing in life's essential moments

San Francisco
Learning & Health & Work · EdTech +18
Learning & Health & Work · EdTech

Rebellion Ventures

Pre-Seed Seed

Seed and pre-seed VC in Silicon Valley backing autonomous operations and systems across essential industries like manufacturing, logistics, and healthcare.

San Francisco
AI/ML · Automation +8
Thesis-Driven · Operator-Led

Reciprocal Ventures

Pre-Seed Seed

Pre-seed and seed crypto-native VC partnering with blockchain founders from day zero, investing in decentralized networks and open digital infrastructure.

New York
Blockchain · Web3 +4
Web3-Focused · Early Stage

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Recursive Ventures

Pre-Seed Seed

Solo-GP fund run by Itamar Novick, a founder who scaled Life360 to IPO, writing pre-seed and seed checks into data and AI-native startups.

San Francisco
AI/ML · Data +6
Solo GP · Founder-Led

Red Bear Ventures

Pre-Seed Seed Series A

Deal-by-deal investment network using SPVs to back Cornell-affiliated founders, led by domain-expert operators rather than a traditional fund.

New York
FinTech · BioTech +5
Network-Driven · Operator-Led

Red Beard Ventures

Pre-Seed Seed Series A

Combines a venture fund with a 3,000-LP AngelList syndicate to win allocations in competitive Web3 and metaverse funding rounds.

Brooklyn
Web3 · Crypto +6
Early-Stage · Network-Driven

Red Bike Capital

Pre-Seed Seed

Early-stage VC in New York investing in vertical AI, fintech, and health tech with a focus on technical founders and capital efficiency.

New York
AI/ML · Fintech +6
Operator-Led · Founder-Led

Red Glass Ventures

Pre-Seed Seed Series A

Menlo Park-based early-stage VC founded by ex-Lux Capital GP Bilal Zuberi. Invests from formation/pre-seed through Series A in technical founders building AI-powered solutions at the intersection of software and the physical world, including robotics, autonomy, industrials, defense tech, and critical infrastructure.

Menlo Park
AI/ML · Robotics +7
AI-Focused · Early Stage

Red Swan Ventures

Pre-Seed Seed

Pre-seed and seed VC backing bold founders reshaping culture and creating new markets, led by the co-founder of Bonobos with a focus on enduring human needs.

New York
AI/ML · Consumer +7
Early Stage · Operator-Led

Redbud VC

Pre-Seed Seed

Partnering with founders at the earliest stages building massive tech companies across the globe

Columbia
Fintech · HealthTech +8
Generalist · Tech

RefashionD Ventures

Pre-Seed Seed Series A

Investing in early-stage startups refashioning global supply chains

New York
Next Gen Supply Chains · Supply Chain & Logistics +4
Global Supply Chains · Industrial

Reflex Capital

Pre-Seed Seed Series A

Prague-based early-stage VC backing Central European tech founders across SaaS, consumer, and deep-tech with €150M invested.

Prague · San Francisco
SaaS/Software · AI/ML +7
Founder-Led · Early Stage

REMUS Capital

Pre-Seed Seed Series A

A hands-on early-stage VC that builds companies, not bets on them

Boston · San Francisco +1
Human-Machine Convergence · Consumer-Enterprise Interface +12
Applied AI · Healthcare

Resolute Ventures

Pre-Seed Seed

Bi-coastal pre-seed and seed VC that leads first rounds for founders across software, fintech, consumer, and developer tools sectors.

San Francisco · Boston
SaaS/Software · Consumer +9
Founder-Led · Network-Driven

Restive Ventures

Pre-Seed Seed Series A

Early-stage firm focusing exclusively on fintech and financial infrastructure

San Francisco · New York
Fintech · Financial Infrastructure +3
Fintech Specialist · Operator-Led

Showing 457–480 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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