Stone Mountain Ventures — Full Portfolio
51 tracked investments · listed companies and verified rows first
Altira provides AI-powered patient engagement and guidance to healthcare systems, combining clinical expertise with adaptive artificial intelligence to improve health outcomes and reduce unnecessary care utilization.
AI & Machine LearningDigital HealthHealthtech
PartnerJohn Diaz· solo GP
Co-investorsCoalition OperatorsFocal VenturesHomebrewWireframe Ventures
A provider of youth and family behavioral and mental health services, offering cognitive talk therapy and medication management through licensed clinicians including psychologists, counselors, and psychiatric nurse practitioners.
Digital HealthHealthtechMental Health
Hafeezah Muhammad(Founder & CEO)in
PartnerJohn Diaz· solo GP
Co-investorsPACE Healthcare CapitalPortfoliaPortland Seed FundRareBreed VenturesUrban Entrepreneurs FundCollab Capital+6 more
BeMe is a health technology company focused on serving autistic individuals, combining clinical expertise with technology to address healthcare and wellness needs in this population.
AI & Machine LearningDigital HealthHealthtechMedical DevicesMental HealthWellness & FitnessLewes, US
BassemIan(CFO)Valeri Petrov(Director)Sarah Glofcheskie(Executive Officer, Director)Alex Melamed(Executive Officer, Director)
PartnerJohn Diaz· solo GP
BetterYou uses AI and cognitive science to build workplace wellness programs that encourage healthier habits such as better sleep, more physical activity, and social connection.
AI & Machine LearningHR TechWellness & Fitness
PartnerJohn Diaz· solo GP
Co-investorsAlumni VenturesAtland VenturesCapital Midwest FundEvolution VenturesForefront VentureGeekdom+6 more
Blooming Health operates a care enablement platform that uses AI-assisted co-pilots to detect unmet social needs, close clinical gaps, and guide members through preventive screenings, wellness visits, and benefits renewals such as Medicaid and SNAP.
AI & Machine LearningDigital HealthGovTechHealthtechNew York, US
Nima Roohi(Founder)inKavitha Gnanasambandan(Founder)inNaman Gupta(Founder)inReme Rashid(Chief Operating Officer)inChethan Sathya(Chief Public Health Officer)in
PartnerJohn Diaz· solo GP
Co-investorsAfore CapitalForum VenturesInsight PartnersMetrodora VenturesCrossbeam Venture PartnersDCVC (Data Collective)
BROND provides provider-reviewed health and wellness products and care plans for men and women focused on energy, sexual health, and longevity support.
Digital HealthHealthtechWellness & Fitness
PartnerJohn Diaz· solo GP
Co-investorsRender Capital
ClostraBio develops next-generation probiotics and a platform for delivering bacterial metabolites to support gut health, targeting inflammatory bowel disease (IBD) and food allergy.
BiotechDigital HealthHealthtechChicago, US
Jeffrey Hubbell(Secretary)Cathryn Nagler(President)inBrett Newswanger(Chief Operating Officer)
BoardJohn Flavin(Executive Chairman)in
PartnerJohn Diaz· solo GP
Co-investorsPortal Innovations
Dentite provides an AI-driven medical billing service for dental practices, automating the process of billing medical insurance for medically necessary and preventive dental procedures to generate additional revenue.
AI & Machine LearningFintechHealthtechBuffalo, US
Petar Tofovic(CEO & Co-founder)inXENIA RICHTER(Executive Officer, Director)inDANIEL RICHTER(Executive Officer, Director)JEROD SIKORSKYJ(Executive Officer, Director)in
PartnerJohn Diaz· solo GP
Co-investorsLaunch NY
Frame provides personalized fertility care coordination and guidance for individuals at various stages of their fertility journey, including evaluation, expert care teams, and access to vetted medical providers and products.
Digital HealthFemTech
Jessica Bell van der Wal(Founder & CEO)inCorey van der Wal(Founder)in
PartnerJohn Diaz· solo GP
Co-investorsAd Astra VenturesCake VenturesCity LightFlare Capital PartnersKli CapitalThe MBA Fund+5 more
Grouport is an online mental health platform offering therapist-led group, individual, couples, family, teen, and intensive outpatient (IOP) therapy delivered over secure video chat.
Digital HealthHealthtechMental HealthWellness & FitnessNew York, US
Jonathan Spievack(Executive Officer, Director)inMordechai Teitz(Executive Officer, Director)
PartnerJohn Diaz· solo GP
Grow Therapy provides online mental health therapy services designed to be more accessible, affordable, and user-friendly than traditional therapy.
B2B MarketplacesHealthtechMental HealthSaaS
Jake Cooper(Founder)inManoj Kanagaraj(Founder)inAlan Ni(Founder)in
PartnerJohn Diaz· solo GP
Co-investorsBCICold Start VenturesEvio VCMenlo VenturesPLUS CapitalReshape+6 more
HealthTracka offers at-home and walk-in lab testing in Lagos, with a catalog of 500+ tests and packages, sample collection by phlebotomists, results delivered digitally within 48 hours, and free doctor consultations.
ConsumerDigital HealthHealthtechWellness & FitnessLagos, US
Ifeoluwa Dare-Johnson(Founder)
PartnerJohn Diaz· solo GP
Co-investorsFirstCheck AfricaFlying Doctors Healthcare Investment CompanyHoaQIngressive CapitalTechstarsHustle Fund
Jero Beccar(Founder)in
PartnerJohn Diaz· solo GP
Co-investorsGaingelsService Provider Capital
HealthtechNew York, US
Charlotte Blais(Executive Officer, Director)in
PartnerJohn Diaz· solo GP
Leda provides self-administered DNA testing kits and related services for individuals who have experienced sexual assault, aiming to improve evidence collection and support for survivors.
HealthtechImpact & Social GoodBrooklyn, US
Liesel Vaidya(Executive Officer, Director)inMadison Campbell(Executive Officer, Director)in
PartnerJohn Diaz· solo GP
Co-investors2B.VCCalm/Storm VCGaingelsHelmHypothesisThe Innovation Space+2 more
Leeway offers an ICHRA (Individual Coverage Health Reimbursement Arrangement) platform that lets employers fund pre-tax health wallets so employees can choose individual health plans from major carriers instead of group plans.
HealthtechHR TechInsurTech
PartnerJohn Diaz· solo GP
Co-investorsBetter Tomorrow VenturesWedbush Ventures
Legion Health provides online psychiatric care and medication management for mental health conditions including ADHD, depression, anxiety, and bipolar disorder through board-certified providers via telehealth.
AI & Machine LearningDigital HealthHealthtechMental HealthWellness & FitnessSan Francisco, US
Yash Patel(CEO)inArthur MacWaters(Founder)inDaniel Wilson(CTO)inFerdinand Martignetti(Director)Destiny Lalane(Recruiter)Jessica Selvarayan(Chief of Staff)
PartnerJohn Diaz· solo GP
Co-investorsAlumni VenturesGaingelsNext Coast VenturesRoot and Shoot VenturesSoma CapitalY Combinator+8 more
Manatee provides a mental health platform designed for families, offering care that addresses the needs of both children and parents.
AI & Machine LearningDigital HealthHealthtechMental HealthWellness & FitnessDenver, US
Damayanti Dipayana(Founder)in
PartnerJohn Diaz· solo GP
Co-investorsAmerican Family Insurance Institute for Corporate and Social ImpactGrand VenturesGreyMatterProgressionSpringTime VenturesTechstars+1 more
MDisrupt is an AI-powered marketplace that connects healthtech, life sciences, and medical device innovators with vetted clinical, scientific, regulatory, and commercial experts.
AI & Machine LearningB2B MarketplacesDigital HealthEnterprise SoftwareFintechHealthtechSaaS
Ruby Gadelrab(Founder & CEO)inGreg Nagy(Chief Operating Officer)inRoger Davies(Chief Technology Officer)in
PartnerJohn Diaz· solo GP
Co-investors37 AngelsBDev VenturesGeek VenturesGrowth Factory VenturesMindshift CapitalSuncoast Ventures+3 more
Mindhoney produces nootropic supplements in capsule form combining functional mushrooms, adaptogenic herbs, and natural compounds to enhance cognitive function, energy, and focus for high achievers and fitness enthusiasts.
ConsumerDirect to ConsumerWellness & FitnessSanta Monica, US
Austin Piatt(Founder)in
PartnerJohn Diaz· solo GP
Mood is a telehealth service offering mental health care delivered remotely by clinicians.
Digital HealthHealthtechMental Health
Mike Clare(Founder)inBetsy McMichael(Founder)inDave Copeland(Founder)
PartnerJohn Diaz· solo GP
Co-investorsAmbush CapitalDesigner FundGenesis VenturesGreat Oaks Venture CapitalNext VenturesReshape+3 more
Nash provides a ledger-based finance platform that consolidates banking, accounting, payments, treasury, and expense management for companies conducting cross-border operations in Africa.
FintechSan Francisco, US
Anthony Wagacha(Founder)inAziz Alghunaim(Founder)inMahmoud Ghulman(Founder)inYevhenii Muraev(Founder)Lione AlushulaGeorge Mbuthia
Co-investorsEnza CapitalMusha VenturesY CombinatorAndreessen HorowitzAtypical VenturesRackhouse Venture Capital+1 more
Nexus-MD develops medical image management software integrated into athenaOne to streamline imaging workflows for healthcare clinics.
AI & Machine LearningDigital HealthHealthtechMedical Devices
PartnerJohn Diaz· solo GP
Co-investorsPlug and Play Ventures
Nimblemind provides a clinical data platform that automates the ingestion, labeling, and management of multimodal health data including EMR records, imaging, and wearables.
AI & Machine LearningData & InfrastructureDigital HealthChicago, US
PartnerJohn Diaz· solo GP
Co-investorsBread And Butter Ventures, LlcSpringTime VenturesTechstarsVictorum
A pioneering consumer healthcare company revolutionizing the healthcare landscape in Nigeria.
PartnerJohn Diaz· solo GP
Co-investorsChui VenturesCo-Creation Hub (CcHUB)Innova Capital Partners, LLC
OOTify is a mental health support platform that uses AI and data-driven matching to connect individuals with personalized mental health services.
AI & Machine LearningDigital HealthMental HealthLos Angeles, US
Abhik Gupta(Executive Officer)Michael Quinones(Executive Officer)Anand Hira(Executive Officer)Shivani Chaudhry(Executive Officer)Niraj Mehta(Executive Officer)Ravi Sharma(Executive Officer, Director)
PartnerJohn Diaz· solo GP
Co-investorsGaingels
Healthworx Studio is a venture studio that partners with healthcare stakeholders to identify systemic problems and build and scale new healthcare companies.
Digital HealthHealthtechNew York, US
Aaron Molloy(Executive Officer, Director)in
BoardPatrick Berry(Director)inMichael Batista(Director)
PartnerJohn Diaz· solo GP
Co-investorsFlyover CapitalForum VenturesGovtech VenturesSixThirty VenturesSorenson Impact FoundationSpringTime Ventures
Paralign enables health plans to deploy emergency services teams for preventative care delivery in underserved communities.
Digital HealthHealthtechSaaSRevere, US
Aaron
PartnerJohn Diaz· solo GP
Co-investorsFlyover CapitalGovtech VenturesForum VenturesSixThirty VenturesSorenson Impact FoundationSpringTime Ventures
RxPost operates a DSCSA-compliant pharmacy-to-pharmacy marketplace paired with cloud-based inventory software, letting independent pharmacies share or source surplus medications and track stock across multiple stores.
B2B MarketplacesHealthtechSaaS
Amantha Bagdon(Founder)in
PartnerJohn Diaz· solo GP
Co-investorsSlauson & Co.Yonder VCCapitalize VC
Sendme delivers fresh meat to households and food businesses via WhatsApp ordering, with fulfillment within three hours.
AI & Machine LearningConsumerE-commerceFoodTechIbadan, NG
Daniel Afolayan(Founder)in
Co-investorsIngressive CapitalVentures PlatformY CombinatorCresset CapitalGoodwater CapitalMyAsiaVC+4 more
Shmoody is a mobile app that combines mental health support with accessible, engaging tools designed to encourage users to take actionable steps toward improved wellbeing.
ConsumerDigital HealthEdTechMental HealthWellness & Fitness
PartnerJohn Diaz· solo GP
Smirk Health creates an AI-powered Benefits Infrastructure Layer platform that provides portable, modular health insurance coverage for the modern workforce including contractors, part-time workers, and gig workers.
AI & Machine LearningDigital HealthHealthtechInsurTechMountain View, US
Felix W. Ortiz III(CEO)Paloma Ain
PartnerJohn Diaz· solo GP
Co-investorsBrainstorm VenturesCity LightPlug and Play VenturesTransform Investments
Valorize Bioscience uses a patented process to modify the color, taste, aroma, and texture of insect proteins while preserving their nutritional content, addressing sensory limitations that have restricted their use.
BiotechFoodTechNew Materials
PartnerJohn Diaz· solo GP
Co-investorsCharlotte Angel Fund
Villie provides a shareable web page that lets expecting and new parents coordinate support from their community, including requests for gifts, donations, and help with tasks, plus features like multiple baby registries, group updates, and a gender reveal game.
ConsumerFemTechSocial
Melissa Antal Iftimie(Founder)in
PartnerJohn Diaz· solo GP
Co-investorsXRCFearless FundInnovation Works
Waffle is a digital insurance platform that partners with insurers to offer customizable coverage options with competitive pricing.
FintechInsurTechBoston, US
PartnerJohn Diaz· solo GP
Co-investorsMIT delta v
YourPath provides mental health counseling, substance use disorder treatment, peer support, and telehealth services, including on-demand assessments, individual therapy, and group sessions.
Digital HealthHealthtechMental HealthKentucky, US
PartnerJohn Diaz· solo GP
Co-investorsBread And Butter Ventures, LlcBrighter CapitalGROOVE CAPITALLeadout CapitalService Provider Capital
Yuna is an AI-powered wellness coach designed to help users manage stress, improve mood, and develop emotional resilience through evidence-based psychological techniques.
AI & Machine LearningDigital HealthHealthtechHR TechMental HealthWellness & Fitness
Grant Winns(Co-Founder & CEO)in
PartnerJohn Diaz· solo GP
Co-investorsCanaryPositive Ventures
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
BrondCare Delivery & NavigationConsumer Health & WellnessDiallFund II CompanyHealth Infrastructure & EnablementHealthcare AI & DataInsurance & BenefitsLeewayMarketplaces & EnablementMental & Behavioral HealthSUD & Behavioral HealthWaffle
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.




















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