Questa Capital

Series A Series B Series C

Healthcare-focused venture growth equity firm with $1B AUM investing in healthcare services, health technology, and medical devices companies across the US.

Washington · San Francisco
HealthTech · MedTech +3
Bio/Health-Focused · Growth Stage

Quiet Capital

Pre-Seed Seed Series A

Builders backing remarkable founders from day zero

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

Quona Capital

Seed Series A Series B

Global venture firm investing in inclusive fintech startups across Latin America, EMEA, India, and Southeast Asia serving underserved markets.

Washington DC · Bangalore +4
Fintech · InsurTech +8
Impact-Focused · Global VC

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

R+VC

Seed Series A

European-American VC investing in deep tech and dual-use startups in process automation, cybersecurity, supply chain, and industrial software.

Warsaw · Redwood City +1
DeepTech · Cybersecurity +4
DACH · EMEA

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

RA Capital Management

Seed Series A Series B

Multi-stage investment manager dedicated to evidence-based investing in public and private healthcare, life sciences, and planetary health companies.

Boston · New York +1
HealthTech · BioTech +2
Multi-Stage · 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

Radical Ventures

Seed Series A Series B

AI-focused VC investing in entrepreneurs transforming massive industries

Toronto · San Francisco
Artificial Intelligence · AI/ML +24
AI-First · Founder-Led

Radicle Growth

Seed Series A

Runs a pitch-competition-driven platform that funds and builds seed-stage ag and food tech startups, backed by major agribusiness corporates.

San Diego
Ag & FoodTech · AgTech +1
Early Stage · US-Centric

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

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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

Rally Ventures

Seed Series A Series B

Uniting an ecosystem of emerging business technology

Menlo Park · Minneapolis
B2B Technology · AI/ML +6
B2B Technology · AI/ML

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

Ravelin Capital

Seed Series A

Solo-GP fund backing software-defined founders rebuilding critical industries like space, manufacturing and defense as civilizational renewal.

San Francisco
Critical Industries · Real Economy Automation +3
Solo GP · Founder-Led

Raven Indigenous Capital Partners

Seed Series A Series B

An Indigenous-led and owned impact-driven venture capital firm dedicated to accelerating the success of innovative, purpose-driven Indigenous and Native American enterprises across Canada and the United States. They provide culturally-appropriate, patient capital to support a re-emerging Indigenous economy.

Victoria · Montreal +2
Indigenous Entrepreneur · Impact Investing +18
Indigenous Entrepreneur · Impact Investing

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

Rebel Fund

Seed Series A

Seed fund investing exclusively in top-tier Y Combinator startups, selected via a proprietary ML algorithm across all technology verticals.

San Francisco
SaaS/Software · Fintech +8
Thesis-Driven · Sector-Agnostic

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

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

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