Manta Ray Ventures
Venture capitalLondon · Pre-Seed–Seed · 9 people tracked
Investment thesis
Manta Ray Ventures backs mission-driven founders building generational companies that address the world's biggest challenges. It invests early, develops deep conviction and takes a long-term view, offering flexible and patient capital drawn from its own background. The firm leverages its time, resources and networks to actively support portfolio companies. It also runs initiatives to foster and accelerate entrepreneurship in Poland and the wider CEE region, bridging local founders to key ecosystems across Europe and the US, and helping talented entrepreneurs gain the skills and resources to build global businesses.
Source: firm website, verified Aug 3, 2026.
Team · 9 people
from the firm's website & public directories
What they invest in
from 73 of 276 portfolio companiesAI & Machine Learning ×27Biotech ×18Enterprise Software ×13Healthtech ×12Medical Devices ×11SaaS ×11Deep Tech ×9Digital Health ×9
HQs:United States×31United Kingdom×8Poland×3Germany×2Finland×1Israel×1
Investments · 276 tracked
founders shown can be your intro pathProviding accessible world-class learning through a platform connecting learners to courses from top universities and institutions.
Duolingo offers a language-learning app with short, game-like lessons that teach reading, writing, listening, and speaking, using research-based teaching methods and AI to personalize lessons for learners.
AI & Machine LearningConsumerEdTechPittsburgh, US
Andrew Moore(Director)Severin Hacker(Director)Luis von Ahn(Executive Officer, Director)
BoardBrad Burnham(Director)
BiotechWilmington, US
Valerie Morisset(Executive Officer)Erin Lavelle(Executive Officer)Robert Azelby(Executive Officer, Director)James Bucher(Executive Officer)Leone Patterson(Director)
BoardAdam Rosenberg(Director)
Guardant Health develops blood-based testing (liquid biopsy) for cancer detection and monitoring across all stages of the disease.
BiotechDigital HealthHealthtechMedical DevicesRedwood City, US
AmirAli Talasaz(Executive Officer, Director)Warren Hogarth(Director)Michael Wiley(Executive Officer)Helmy Eltoukhy(Executive Officer, Director)
BoardSamir Kaul(Director)
Instacart operates a marketplace connecting grocery retailers with customers who order food and household items for same-day delivery or in-store pickup, serving millions of households across North America through partnerships with over 350 retailers.
ConsumerE-commerceFoodTechSan Francisco, US
Apoorva Mehta(Founder/Chairman & Founding CEO)inBrandon Leonardo(Founder)inMax Mullen(Founder)in
Advanced ManufacturingSanta Cruz, US
Paul Sciarra(Director)James Kuffner(Director)Reid Hoffman(Director)Matthew Field(Chief Financial Officer)Dipender Saluja(Director)Justin Lang(Head of Partnerships and Corporate Strategy)
Ballerup
Peyton Boswell(Director)Sune Mathiesen(Executive Officer, Director)Alexander Buehler(Director)Claus Toftegaard(Executive Officer)Richard Meeusen(Director)Mark Vernon(Director)
Quantinuum develops quantum computers and quantum software solutions for applications in drug discovery, healthcare, materials science, cybersecurity, and energy.
Deep TechEnterprise SoftwareQuantum Computing<UNKNOWN>, US
Rajeeb Hazra(President and CEO)Avinash Palaniswamy(Chief Commercial Officer)Vimal Kapur(Director)Susan Schwamberger(Chief Human Resources Officer and SVP Operations)George Sherman(Director)Jennifer Strabley(VP and General Manager, Compute Products)
BiotechSalt Lake City, US
Blake C. Borgeson(Executive Officer, Director)Dean Y. Yi(Executive Officer, Director)Christopher C. Gibson(Executive Officer, Director)
Infinitopes develops immunotherapy treatments for cancer, focusing on immune-oncology and antigen discovery solutions aimed at improving patient outcomes and affordability in cancer care.
AI & Machine LearningBiotechHealthtechMedical DevicesOxford, GB
Jonathan Kwok(Co-Founder, President & Chief Medical Officer)Lian Ni Lee(VP Preclinical & Co-Founder)
Los Angeles, US
Bryan R. Johnson(Executive Officer, Director)
Board seatLeah von Siemens· per SEC Form D · $25M raise · filed Dec 2023
AIVIVO develops drug discovery solutions at the organism level, focusing on accelerating pharmaceutical development processes.
AI & Machine LearningBiotech
THIS manufactures consumer products positioned as environmentally and socially responsible, with B Corp certification validating both product and business practices.
Circular EconomyConsumerFoodTech
Assembly OSM develops modular construction technology and methods to make urban development scalable and sustainable, enabling rapid high-rise building assembly.
CleantechConstruction TechPropTechNew York, US
Bill Sharples(Founder)Chris Sharples(Founder)Andrew Staniforth(CEO)Robert Stavis(Director)Kieran Mara(Director)
Beacon provides a platform that delivers real-time visibility and standardized data across supply chains through a unified dashboard for shippers, manufacturers, and retailers.
AI & Machine LearningData & InfrastructureEnterprise SoftwareLogistics & Supply ChainSaaSLondon, GB
Dan Fletcher(Cofounder)Aerica Banks(Cofounder)
BEIT provides physics-based computational approaches for drug discovery, embedding scientists with expertise in physics, mathematics, and engineering into pharmaceutical research programs.
AI & Machine LearningBiotechDeep TechKraków, PL
Believer Meats grows meat from animal cells in controlled environments without slaughtering animals.
BiotechFoodTech
Gustavo Burger(Chief Executive Officer)
Benson Hill develops genetically optimized soy seed varieties using AI-driven plant science, targeting agricultural producers seeking more nutritious, sustainable, and energy-dense crop solutions.
AgTechAI & Machine LearningNew Materials
Bettani produces dairy-free cheese using a proprietary plant-based protein derived from regenerative crop seeds, offering products with comparable taste, texture, and protein content to conventional dairy cheese.
CleantechFoodTechImpact & Social Good
MIG portfolio company taken public.
Booksy is a mobile marketplace that enables users to discover, book, and manage appointments with beauty and wellness service providers in their area.
MarketplacesSaaS
Browse all 276 investments with full details →
▶76 more tracked companies
Plant-based and protein rich meat alternativesPlant-based cheesePlant-based meat alternativesPlant-based protein-rich cheese products driven by data sciencePowering emerging market education systemsPowering emerging market healthcare systemsPrecision medicinePrecision medicine for chronic disease management and oncology utilising a novel cell-free DNA-based platformPrecision-fermented dairyPrecision-fermented dairy productsProbably GeneticProving humanity in the age of AIQuantum molecular modellingQuantum SecurityQuantumBlackQuvyRaiseRelativity SpaceRemote restaurant staffingRemote-staffing for restaurants. Acquired by VoicifyRemotepadRespivantRoRobotic quick serve restaurantRobotic scalable quick serve restaurant platformRobotic warehouse pickersSage CareSantimentSarcos RoboticsSecurity & TrustSeedtagSeismicShefShowrunnerSignalSimulated ad networkSimulated ad network enabling companies to test their ads before they spendSiren CareSiren Socks help reduce the risk of diabetic foot ulcers through early detection of potential injuriesSitehopSmart home automationSmart home automation company. Acquired by NiceSME lendingSoftware and marketplace for beauty providersSoftware for tour and activity providersSolarmaxSpace debris combatStethoMe®Stethoscope AIStrangequestSugar alternative derived from waste plant fibreSugar alternative from wasteSweetener AlternativeSynthesiaTalentEdTelegramTequipyThe Supplant CompanyTissue restorative biologicsToonstarTouchplanTour and activity softwareTreatwellTriomeUsed-car marketplaceUsed-car marketplaces within emerging market economies. Acquired by OLXVerifoneVerishopViatorVideo games and softwareVirgin HyperloopVoicifyVolocopterWastewater desalinationWorkplace operations platformWyzant
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Frequently asked questions
- What stage does Manta Ray Ventures invest at?
- Manta Ray Ventures invests at the Pre-Seed, Seed stages.
- What sectors does Manta Ray Ventures focus on?
- Manta Ray Ventures focuses on Advanced Manufacturing, Climate Tech, Cybersecurity, EdTech, Healthtech, Sector Agnostic.
- Where is Manta Ray Ventures located?
- Manta Ray Ventures is headquartered in London, GB.
Co-investors · 6
General Catalyst is a venture capital and investment firm that backs founders across industries, with a strong focus on AI-driven transformation, fintech, healthcare, and other sectors.
First Round Capital is an early-stage venture firm that partners with founders at the earliest stages of company creation, pairing active partners (many former founders) with functional teams for go-to-market, recruiting, and other support.
DN Capital is a global early-stage venture firm founded in 2000, investing in Seed, Series A and select Series B companies across Europe and North America.
CapitalG is Alphabet's independent growth fund, investing in growth-stage consumer and enterprise technology companies and providing hands-on operational and strategic support drawn from Google's scaling experience.
Amadeus Capital Partners is a UK-based deep tech venture capital firm founded in 1997 that invests from seed to growth stages across artificial intelligence, health, and sustainability-focused technologies.
SID Venture Partners is an early-stage venture capital firm backing founders by combining capital with the engineering expertise and business-development resources of a group of leading software companies.
Firms observed investing alongside Manta Ray Ventures, from public investor directories.
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