Positive Sum

Seed Series A Series B

Early-stage VC founded by Patrick O'Shaughnessy backing founders doing their life's work, with a portfolio spanning software, AI, fintech, and defense.

Greenwich
SaaS/Software · AI/ML +5
Founder-Led · Early Stage

Primary Venture Partners (Primary)

Seed Series A Series B

A seed-stage venture capital firm that focuses on high-conviction, low-volume investments primarily in New York City (NYC) startups.

New York
Enterprise SaaS · SaaS/Software +17
Enterprise SaaS · Consumer

PROOF Fund

Series B Series C Series D

Expansion-stage VC firm investing in hypergrowth companies backed by top-tier funds, using pro rata rights access strategy.

Reston
Fintech · HealthTech +9
Growth Stage · Generalist

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

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

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

Revolution

Seed Series A Series B

Multi-stage DC-based VC founded by Steve Case, backing entrepreneurs across the US with 99% of capital deployed outside Silicon Valley.

Washington DC
Fintech · HealthTech +8
Multi-Stage · US-Centric

Riot Ventures

Seed Series A Series B

Venture firm focused on modernizing critical industries; writes checks up to $100M into a select group of companies.

Los Angeles
Defense Tech · SpaceTech +6
Multi-Stage · American Dynamism

Riptide Ventures

Pre-Seed Seed Series A

Baltimore-based angel syndicate pooling individual investors' capital and networks to back early-stage consumer, software, and healthcare startups.

Baltimore
Healthcare · Fintech +4
Network-Driven · Early Stage

RSquared VC

Seed Series A

Early-stage venture capital firm investing in visionary teams building a resilient future.

McLean
National Security · Critical Infrastructure +6
National Security · Critical Infrastructure

RTX Ventures

Series A Series B Series C

Corporate VC investing in transformative aerospace & defense tech

Arlington
Aerospace & Defense · Aerospace +13
Corporate VC · Aerospace

Rule 1 Ventures

Pre-Seed Seed Series A

Early-stage aerospace and defense VC with a parallel B2B SaaS studio. Backs pre-seed to Series A defense tech and co-founds software companies.

Atlanta
Defense Tech · Aerospace +4
Venture Studio · Defense-Focused

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SAIC Ventures

Seed Series A Series B

Invests in dual-use and national security technology startups

Reston
Commercial Dual-Use · National Security +10
Commercial Dual-Use · National Security

Salesforce Ventures

Seed Series A Series B

Partnering with enterprising founders from seed to IPO

San Francisco · New York +2
Enterprise Software Companies · Cloud Infrastructure +11
Enterprise Software Companies · Corporate VC

Scalewolf.VC

Pre-Seed Seed

Vilnius-based dual-use VC and accelerator backing pre-seed to seed defense, energy, AI, and data startups across NATO and European allied markets.

Vilnius · Alexandria
Defense Tech · AI/ML +7
Defense-Focused · Early Stage

Scout Ventures

Seed Series A Series B

Early-stage VC investing in frontier and dual-use technologies built by founders from the military, intelligence community, and national research labs.

Austin
Defense Tech · AI/ML +7
Defense-Focused · Dual-Use

Sequoia Capital

Pre-Seed Seed Series A

Helping the daring build legendary companies worldwide

Menlo Park
AI/ML · Climate +16
Global VC · Multi-Stage

Shield Capital

Pre-Seed Seed Series A

Early-stage investor backing founders building dual-use technologies in AI, autonomy, cybersecurity, and space for commercial and national security markets.

San Francisco
AI/ML · Cybersecurity +4
Operator-Led · Thesis-Driven

Shorewind Capital

Pre-Seed Seed Series A

Early-stage VC investing in tech that advances humanity

San Francisco
Climate · Renewable Energy +12
Impact-Driven · Early Stage

Shrug Capital

Pre-Seed Seed

Seed-stage fund backing culturally relevant consumer, creator, fintech, health, climate, and deep tech startups, led by Niv Dror and Moshe Lifschitz.

San Francisco
Consumer · Creator +8
Network-Driven · Early Stage

Silent Ventures

Pre-Seed Seed Series A

Early-stage venture firm investing in founders building unrivaled aerospace and defense companies

Dallas
Aerospace · Defense +5
Defense Focus · Early Stage

Snowpoint Ventures

Series A Series B Series C

Defense-focused dual-use VC backing companies at the intersection of data, deep tech, and frontier tech to advance national security and societal resilience.

Palm Beach
Defense Tech · DeepTech +4
Defense-Focused · Dual-Use

Space Capital

Seed Series A Series B

Seed-stage VC investing in space technology and global markets

New York
SpaceTech · Geospatial +12
US-Centric · Thesis-Driven

Space VC

Pre-Seed Seed

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.

Austin
SpaceTech · Defense Tech +7
Early Stage · Thesis-Driven

Showing 121–144 of 170 investors

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