Manta Ray Ventures β Full Portfolio
276 tracked investments Β· page 1 of 2 Β· listed companies and verified rows first
Providing 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)
Seattle, US
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 SiemensΒ· per SEC Form D Β· $25M raise Β· 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 TechKrakΓ³w, 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
Booksy is a free mobile app for discovering and booking appointments with beauty and wellness service providers such as barbers, hairdressers, massage therapists, and manicurists.
ConsumerMarketplacesChicago, US
Kai Hansen(Director)Hugues Lalancette(Director)Pavel Mucha(Director)Kristina Salen(Executive Officer)Ripsy Bandourian(Executive Officer)Daniel Ahlstrand(Director)
Brainly provides 1:1 tutoring combining AI explanations with human expert intervention, targeting K-12 students and their parents seeking affordable academic support across all subjects.
AI & Machine LearningEdTech<UNKNOWN>
BuildingConnected is a construction bid management platform that connects general contractors, subcontractors, and project owners to streamline bidding workflows and prequalification processes across a network of over 1 million construction professionals.
B2B MarketplacesConstruction TechSaaS
F5 AI Guardrails is an enterprise security platform that deploys runtime guardrails to protect AI models and agents against adversarial attacks, data leakage, and policy violations while enabling compliance and observability.
AI & Machine LearningCybersecurityEnterprise Software
Neil Serebryany(Cofounder)
BiotechRockville, US
Pamela Conley(Director)Rafael Jorda(Director)Thomas Dubin(Director)Michael Gaffney(Executive Officer, Director)Derek Woods(Director)Randall Stanicky(Director)
Cetos Water develops advanced water treatment technology for desalination and brine management.
CleantechClimate TechDeep TechEnergy
Shannon Knee(Founder & CEO)in
CoinPaprika aggregates real-time cryptocurrency data directly from exchanges and provides it through a web platform and API for investors, traders, and developers.
Crypto & Web3Data & Infrastructure
Darktrace provides AI-native cybersecurity solutions for enterprise organizations, offering detection and response capabilities across cloud, endpoints, identity, email, and operational technology environments.
AI & Machine LearningCybersecurityEnterprise Software
Deepcell uses artificial intelligence and high-resolution imaging to analyze cell morphology for biological research and discovery.
AI & Machine LearningBiotechDeep TechMedical DevicesSunnyvale, US
Mahdokht Masaeli(Executive Officer, Director, Promoter)Euan Ashley(Director, Promoter)Mahyar Salek(Executive Officer, Director, Promoter)in
Desktop Metal develops additive manufacturing (3D printing) platforms and materials for production-volume manufacturing, targeting engineers, designers, manufacturers, and medical professionals.
Advanced ManufacturingDeep TechHardwareBurlington, US
Ric Fulop(Executive Officer, Director)Dayna Grayson(Director)
London, US
Sarim Siddiqui(Executive Officer, Director)Maroof Ahmed(Executive Officer, Director)Yusuf Sherwani(Executive Officer, Director)
Elephant provides digital health infrastructure for public healthcare systems in low- and middle-income countries, offering an offline-capable EHR (ElephantOS), clinical guidance tools (Elephant Nudge), and an AI-driven platform to integrate third-party healthcare tools into clinical workflows.
AI & Machine LearningDigital HealthEnterprise SoftwareHealthtechUK, ZA
Freedom Biosciences develops neuropsychiatric therapeutics, focusing on novel treatments for conditions including depression, PTSD, and alcoholism.
BiotechDigital HealthMental Health
Dr. John Krystal(Co-founder & CEO)Dina Burkitbayeva(Co-founder)
Marketplace enabling individuals and businesses to buy, send and pick up any product within the same city.
GROPYUS designs and builds multi-family residential buildings using technology-enabled prefabrication and robotics, delivering affordable housing with optimized planning, manufacturing, assembly, and digital building management.
Advanced ManufacturingConstruction TechPropTechBerlin, DE
Markus Fuhrmann(Co-CEO, Founder)Philipp Erler(Co-CEO, Founder)
Impossible Foods produces plant-based meat alternatives, including beef, pork, chicken, and sausage products designed to replicate the taste, nutrition, and cooking properties of conventional animal meat.
ConsumerFoodTechHealthtechRedwood City, US
Pat Brown(Founder & CEO)Bart Swanson(Director)Tai Ronnen(Director)David Lee(Executive Officer)Fedele Bauccio(Director)David Botstein(Director)
Invitae provides genetic testing services to patients and clinicians across the United States, offering broad test offerings and genetic counseling to inform health decisions at every stage of life.
BiotechDigital HealthHealthtechMedical DevicesSan Francisco, US
Shelly Guyer(Executive Officer)Eric Aguiar(Director)Sean George(Executive Officer, Director)Christine Gorjanc(Director)Geoffrey Crouse(Director)Lee Bendekgey(Executive Officer)
Juvena Therapeutics develops biologics derived from human secreted proteins to treat aging-related diseases, using AI-enabled drug discovery to identify tissue-restorative therapeutics for muscle and metabolic disorders.
AI & Machine LearningBiotechLongevityMedical DevicesRedwood City, US
Jeremy O'Connell, PhD(Chief Scientific Officer and Co-Founder)Hanadie Yousef, PhD(Executive Advisor and Co-Founder)Steven James(Director)inStephen Juelsgaard(Director)inHanadie Yousef(Executive Officer, Director)Laura Lande-Diner(Director)in
Kadence is a workplace platform that helps companies manage hybrid and in-office schedules, coordinate team activities, and build employee engagement through event planning and community features.
AI & Machine LearningEnterprise SoftwareFuture of WorkHR TechSaaSWilmington, US
Dan Bladen(Founder & CEO)inKatrina Kennedy(Director)Ezequiel Vidra(Director)Lawrence Barclay(Director)George Davies(Director)
Kojo provides software solutions for the construction industry to improve project outcomes, procurement, and supply chain management.
Construction TechEnterprise SoftwareSaaS
Maria Davidson(CEO)Micah Rodman(COO)
Lisek is a rapid grocery and convenience goods delivery app operating in major Polish cities, offering delivery within 15 minutes of order placement.
E-commerceLogistics & Supply ChainRetail TechWarsaw, PL
Pasadena, US
Richard Hull(Executive Officer, Director)Robert Lunny(Executive Officer)Buck Jordan(Director)Ryan Sinnet(CTO)David Zito(CEO)
BoardJohn Miller(Director)
Disruptive FoodTech brand that uses an innovative and sustainable approach to produce high-quality proteins
Ossium Health develops cellular therapies and bioengineered products for clinical use, leveraging adult stem cell technologies and advanced cell processing platforms.
BiotechHealthtechMedical Devices
Kevin Caldwell(CEO, Co-Founder & President)Dr. Woods(Chief Science Officer, Co-Founder, EVP, CLIA Laboratory Director)William Trenchard(Director)Sebastian Giwa(Director)Thomas Cycyota(Director)
Peek provides booking software and a marketplace for experiences and activities.
MarketplacesSaaSTravel & HospitalitySan Francisco, US
Denis Barrier(Director)Oskar Bruening(Executive Officer, Director)Peter Flint(Director)Ruzwana Bashir(Executive Officer, Director)
Berkeley, US
Sonny Vu(Director)Perumal Gandhi(Director)Ryan Pandya(Executive Officer, Director)Zhang Haorui(Director)
Phytoform Labs develops GM-free genome editing tools and trait engineering technologies for crop improvement, with a focus on potato and tomato varieties.
AgTechAI & Machine LearningBiotechHarpenden, GB
William Pelton(Executive Officer, Director)Nicholas Kral(Director)Dhiraj Singh(Director)
Pie Insurance is an insurtech company providing property and casualty insurance solutions.
InsurTechUnited States, US
John Swigart(Co-founder and CEO)inJoel Moxley(Director)Ian Sigalow(Director)Kip Oberting(Director)Dax Craig(Director)
Pivot Bio develops agricultural innovations focused on transforming farming practices through microbiology and genetics.
AgTechBiotechEmeryville, US
Alvin Tamsir(Executive Officer, Director)Karsten Temme(Executive Officer, Director)John Hamer(Director)Matt Ocko(Director)
BoardRoger Wyse(Director)
Factory dedicated to sustainable prefabricated custom home construction.
Rows marked βSEC filingβ are inferred from directors named on the company's SEC Form D β public regulatory data, not a portfolio list published by the firm.