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Manta Ray

London, UK · Invests in Europe; North America; Global · Website

Pre-SeedSeedSeries AFood & BeverageB2B SaaSAI & Machine LearningDeveloper ToolsCybersecurityFintechClimate & Clean EnergyBiotech & Life SciencesEdTechFintech & PaymentsDeveloper Tools & InfrastructureAerospace & DefenseEnterprise SoftwareHR Tech & Future of WorkSecurity & Cybersecurity

Thesis

Back mission-driven founders addressing significant global challenges through leading-edge technology. Provide flexible and patient capital, leveraging our time, resources, and networks to support portfolio company success. Focus on founders with authentic social and environmental missions alongside commercial viability.

Likely not a fit for

Not interested in purely commercial or profit-maximizing ventures without genuine social mission. Avoid impact-washing or superficial ESG positioning. Pass on non-technology-driven businesses or ventures where founder lacks authentic commitment to stated mission.

How they invest

Lead or follow
Leads or follows
Typical decision
~1 month
Warm intro
Not required
Involvement
Takes a board seat
Fund status
Actively deploying
Assets under mgmt
$150M
Decision process
Partnership vote

Partners & team

7 contacts on file

LB

Lawrence Barclay

General PartnerManaging Partner · Primary contact

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l•••@ma•••.vc

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HW

Hamish William Garnett

Partner

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h•••@ma•••.vc

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SK

Sebastian Kulczyk

General PartnerFounder

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s•••@ma•••.vc

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LV

Leah von Siemens

PartnerPartner

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l•••@ma•••.vc

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JS

Julia Schrameier

PrincipalPrincipal

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j•••@ma•••.vc

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CS

Christopher Sisserian

Platform & OpsHead of Platform

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c•••@ma•••.vc

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YN

Yaryna Nych

AssociateAnalyst

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y•••@ma•••.vc

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Portfolio

AppOnboardMarketing Adtech

Quvy is a platform that auto-generates winning ads by simulating audience responses, allowing marketers to test and validate their ad creatives before launching them.

AqtualBiotech Life Sciences

Aqtual is advancing precision medicine products focused on chronic disease and oncology management, utilizing proprietary biochemistry and advanced data science to develop blood tests for disease detection and monitoring.

ARCHDESKEnterprise Software

Archdesk is a construction management software platform that offers a comprehensive suite of tools for managing construction projects from bidding to handover, including project management, job costing, document management, scheduling, and procurement.

AssemblyosmManufacturing Industrial

Assembly OSM is a New York-based company specializing in modular construction for high-performance buildings. It employs advanced manufacturing techniques.

AstranisAerospace Defense

Astranis builds the world's most advanced satellites for high orbits, focusing on dedicated satellite broadband and supporting government science, PNT, and communications missions.

BeaconLogistics Supply Chain

Beacon is an AI-powered supply chain workspace that enhances visibility and collaboration across logistics operations.

BEITBiotech Life Sciences

BEIT drives the digital chemistry revolution with quantum-inspired algorithms, accelerating molecular modeling and transforming drug discovery. Our focus is to accelerate molecular modeling, opening the door to faster, more precise, and more cost-effective drug design.

BelieverFood Beverage

Believer is a cultivated meat company focused on producing high-quality, non-GMO meat alternatives that are cruelty-free and environmentally sustainable.

Better DairyFood Beverage

Better Dairy is focused on unlocking the full potential of milk through precision fermentation, creating bioactive milk proteins optimized for human development, including infant formulas and supplements.

BiteninjaFood Beverage

Bite Ninja uses technology to connect restaurants with ready-to-work independent contractors or temporary workers to work on-demand remote shifts across the United States. Their platform features order-taking, communication, and other offsite/remote restaurant functions.

Bluu BiosciencesBiotech Life Sciences

Bluu Biosciences is a B2B marine biomanufacturing company focused on delivering consistent biological outputs through controlled processes and partner-led scaling.

BooksyEcommerce Marketplaces

Booksy is the largest and fastest-growing booking platform for beauty services, connecting service providers to their ideal customers and providing them with the tools they need to thrive.

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Research briefRead more
Manta Ray Ventures Research Investment Thesis Manta Ray Ventures is an early-stage venture capital fund dedicated to backing mission-driven founders addressing significant global challenges through the application of leading-edge technologies. Founded with a commitment to flexible and patient capital, Manta Ray provides not just funding but also leverages its time, resources, and networks to suppo

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