Companion Fund
Corporate VCNew York · Pre-Seed–Growth
Investment thesis
Companion Fund backs startups leveraging science, technology, and design to advance animal health. Operating in partnership with Mars Petcare — a leader in veterinary care, nutrition, diagnostics, wearable health, DNA testing, and pet welfare — the fund gives founders and syndicate partners access to Mars Petcare's global network, including tens of thousands of associates across thousands of clinics and labs, presence in over 130 countries, and science-backed nutrition and therapeutic expertise. It supports companies across multiple stages and also runs an early-stage accelerator, Leap Venture Studio, alongside Michelson Found Animals and R/GA Ventures.
Source: firm website, verified Aug 3, 2026.
What they invest in
from 16 of 22 portfolio companiesConsumer ×9Healthtech ×8Direct to Consumer ×4Biotech ×3Digital Health ×2E-commerce ×2Fintech ×2FoodTech ×2
HQs:United States×7United Kingdom×2
Investments · 22 tracked
founders shown can be your intro pathDrug development company creating species-specific tubulin inhibitors (Parabulins) for parasitic diseases.
Co-investorsKickfund
Nacho makes premium cat food featuring high-protein recipes and slow-simmered bone broth made with real ingredients and no fillers.
ConsumerDirect to ConsumerE-commerce
Co-investorsSonoma Brands CapitalBeliadeCAVU Consumer Partners
MoeGo provides a business management platform designed for pet care businesses, including tools for online booking, scheduling, staffing, and marketing automation.
SaaS
Emma Chen(Founder)in
Co-investorsConductive VenturesBase10 Partners
Subscription e-commerce platform for pet owners in China.
Co-investorsDCM Ventures
Napo is a UK pet insurance provider offering lifetime cover for dogs and cats, with tiers from £2,000 to £16,000 per year covering illnesses, accidents, dental and behavioural treatment.
ConsumerFintechInsurTech
JP(Founder)
Co-investorsDMG VenturesDN CapitalMTECH CAPITALPICUS CAPITALMercia Ventures
Functional nutrition company making supplements for dogs.
St Louis, US
Patrick M Barron(Manager / Member)
Co-investorsDigitalis VenturesR/GA VenturesSelva VenturesCAVU Consumer Partners
Omni makes plant-based, allergy-friendly dog food, treats, and supplements formulated by vets, sold via subscription with free vet consultations.
ConsumerDirect to ConsumerFoodTech
Guy Sandelowsky(Co-Founder)Shiv Sivakumar(Co-Founder)
Co-investorsBrincIW CapitalLever VCMiroma VenturesCraft VenturesIdentity.vc
Pacagen develops allergen-neutralizing sprays using proprietary WhiskerBlock™ and EnviroBlock™ technologies that target pet and dust mite allergens at the molecular level.
ConsumerHealthtech
Evan Zhao(Founder)inGary Zhao(Founder)in
Co-investorsBantam GroupGood FriendsMARKHAM VALLEY VENTURESMaveron
Pawp offers an annual membership giving pet owners 24/7 on-demand access to licensed veterinarians, nurses, and technicians for virtual consultations, follow-ups, and personalized care plans.
ConsumerDigital HealthWellness & Fitness
Co-investorsDCM VenturesGood FriendsHOF CapitalInnovating CapitalProtagonistReshape+2 more
Novel antibody-based therapeutics platform for animal health.
Co-investorsCambridge Innovation CapitalDigitalis VenturesParkwalk Advisors
Rejuvenate Bio is a biotechnology company developing gene therapies aimed at treating age-related diseases, with a pipeline that includes a canine mitral valve disease (MVD) program.
BiotechHealthtechLongevitySan Diego, US
Noah Davidsohn(CSO, Co-Founder)Daniel Oliver(CEO, Co-Founder)George Church(Co-Founder and SAB)Deborah Ascheim(Chief Medical Officer)
BoardDavid Zhu(Director)
Co-investorsConnecticut InnovationsKendall Capital PartnersKdT Ventures
Riverdog Daycare operates dog daycare services, having started at a Somerville location, and focuses on pet care for dogs and their owners.
ConsumerPeabody, US
Greg(Leader)
Scout Bio developed biotechnology therapies for pets, including a pipeline of monoclonal antibodies and gene therapy programs targeting chronic diseases in companion animals.
AgTechBiotechDeep TechHealthtechPhiladelphia, US
Mark Hefferman(Executive Officer, Director)
BoardAditya Kohli(Director)inTadataka Yamada(Director)Patrick Heron(Director)inCindy Cole(Director)inNancy Hong(Director)
Co-investorsDigitalis VenturesFrazier Life SciencesRiverVest Venture Partners
Scratch Pay offers point-of-payment patient financing that lets clients of veterinary practices apply for loans and receive instant decisions, with practices paid up front via ACH.
ConsumerFintechHealthtechLos Angeles, US
John(Founder/CEO)Caleb(Founder/President)
Co-investorsArgonautic VenturesDigitalis VenturesNorwest Venture PartnersStruck CapitalSWS Venture CapitalTTV Capital
Smalls produces fresh, gently cooked cat food made to resemble home-prepared meals, differentiating itself from conventional pet food manufacturers by using minimal processing.
Direct to ConsumerFoodTech
Matthew Michaelson(Founder)in
Co-investorsEastward Capital PartnersEvolution VC PartnersFounder CollectiveImaginary Venture CapitalLeft Lane CapitalTMV+2 more
Tuft & Paw designs and sells cat products including litter, litter boxes, cat furniture, carriers, beds, and cat food, developed with cat behaviorists and feline nutrition experts.
ConsumerDirect to ConsumerE-commerce
Co-investorsBlue Collective
Vedi is a vet-tech company providing electronic health records for veterinary care, linking an animal's medical information to their microchip so records follow the pet across clinics, labs, shelters and owners.
Data & InfrastructureHealthtechSaaS
Steve Joslyn(Co-founder)inRoss Wyness(Co-founder)inAnton Tjea(Co-founder)in
Exits · 1
IPOs and acquisitions across the tracked portfolioScout Bio Incacq. by Ceva Santé Animale
Portfolio news
latest coverage across their companiesOmni · news18.com · Aug 17, 2026
Rejuvenate Bio · intelligence360.news · Jul 30, 2026
Scratchpay · netpinnacle.com · Aug 1, 2025
Napo · ffnews.com · Feb 28, 2025
Frequently asked questions
- How many investments has Companion Fund made?
- Companion Fund has 22 tracked investments, 1 of which have exited via acquisition or IPO.
- What stage does Companion Fund invest at?
- Companion Fund invests at the Pre-Seed, Seed, Series A, Series B, Growth stages.
- What sectors does Companion Fund focus on?
- Companion Fund focuses on Biotech, Consumer, Digital Health, Healthtech, InsurTech.
- Where is Companion Fund located?
- Companion Fund is headquartered in New York, US.
- Who does Companion Fund co-invest with?
- Companion Fund most often shares deals with Digitalis Ventures, DCM Ventures, Good Friends, among 43 tracked co-investors.
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