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MBX Capital

Venture capitalActively deployingoperating company · company profile

Claymont · Pre-Seed–Series A · 3 people tracked

Also known as MBX Capital NYS SSBCI · MBX CAPITAL, LLC

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Investment thesis

MBX Capital invests at the early stage in what it calls 'deep health' — a broad range of health-focused companies spanning drug discovery, diagnostics, therapeutics, medical AI, care delivery, mental and maternal health, and adjacent green chemistry and life-sciences infrastructure. The firm frequently partners alongside other investors and aims to advance good health for everyone, backing visionary founders tackling significant biological, clinical, and healthcare-access challenges.

Source: firm website, verified Aug 25, 2026.

Stage
Pre-Seed–Series A
Check
$250K – $2.5M
HQ
Claymont, Delaware, US
Leads rounds
Follows
Instruments
Equity
Founded
2015
Last 12 months
4 investments
AUM
$100M
VC funds
45
Tracked investments
39

Team · 3 people

from the firm's website & public directories

Founder mafia

2 people who came through MBX Capital went on to found or lead other companies.

What they invest in

from 26 of 39 portfolio companies

Healthtech ×15Biotech ×14Digital Health ×14AI & Machine Learning ×9Medical Devices ×9Deep Tech ×5Enterprise Software ×2FemTech ×2

HQs:United States×13Mexico×1

Investments · 39 tracked

founders shown can be your intro path

By year:2026 · 42025 · 32023 · 12021 · 19 dated

Contralinecontraline.cominJun 2026✓ verified

Contraline develops new contraceptive and reproductive health technologies, with a focus on male contraception.

BiotechDigital HealthMedical DevicesCharlottesville, US

Kevin S Eisenfrats(Executive Officer, Director, Promoter)Kevin Eisenfrats(Co-Founder and CEO)John Herr(Co-Founder)

BoardIris Van Alderwerelt van Rosenburgh(Director)Martin J Emerson(Director)

Board seatGurdane Bhutani· per SEC Form D

Co-investorsBiotechnology Value FundAllied Venture PartnersAmboy Street VenturesAurum Venture PartnersBeni Venture CapitalCleo Capital+14 more

Junction Healthjunction-health.cominMay 2026

Junction Health partners with Federally Qualified Health Centers (FQHCs) to set up and manage IV infusion therapy sites, expanding access to infusion services for chronically ill, uninsured, Medicaid, and underserved patients across the US.

Digital HealthHealthtechImpact & Social GoodMedical DevicesDenver, US

Ben Wiederholt(Co-founder & CEO)Vinny Polito(Co-founder & COO)Matt Vestal(Co-founder & Chief Commercial Officer)Vincent Joseph Polito(Executive Officer, Director)Matthew Adam Vestal(Executive Officer, Director)Ben Richard Wiederholt(Executive Officer, Director)

Board seatGurdane Bhutani· per SEC Form D

Neurofold TherapeuticsJun 2026SEC filinghigh confidence

BiotechGreenwood Village, US

Rajeev Kumar(Executive Officer, Director)

Board seatGurdane Bhutani· per SEC Form D · $6.5M raise · filed Jul 2026

Arinearine.io

Arine provides an AI-driven medication management platform for health plans to improve medication adherence and outcomes.

AI & Machine LearningDigital HealthHealthtechSan Francisco, US

Yoona Kim(Executive Officer, Director)inBen Thomander(Executive Officer)Eric Carlson(Chief Financial Officer)Penjit Moorhead(Chief Technology Officer)Penjit Moorehead(Executive Officer, Director)

BoardSusan Choe(Director)in

Co-investorsKaiser Permanente VenturesKatalyst VenturesKatalyst.VenturesLifelike CapitalMaC Venture Capital

Atlas Healthatlas.healthin

Atlas Health uses AI-driven patient assistance to help health systems connect patients to financial resources and reduce barriers to care.

AI & Machine LearningDigital HealthEnterprise SoftwareHealthtech

Ethan Davidoff(Founder)in

Co-investorsFelicis VenturesFinancial Venture StudioOptum VenturesRestive VenturesGlobal Founders CapitalGreatPoint Ventures+1 more

attivareattivaretx.com

Attivare develops AI-powered personalized immunotherapy treatments using a proprietary biomaterial scaffold (ATTImmune) that delivers immune agonists directly to tumor microenvironments, aiming to reduce systemic toxicity in cancer and infectious disease treatment.

AI & Machine LearningBiotechMedical DevicesNatick, US

Edward Doherty(Executive Officer)Jessica McDonough(Director)Joaquim Trias(Executive Officer, Director)

BoardZeshan Muhammedi(Director)

Co-investorsUlu VenturesAxial VCEmbark Ventures

Catena Bio

Protein coupling technology to create better vaccines and medicines for auto-immune diseases.

Catena Biosciencescatenabiosciences.comin

Catena develops a conjugation platform for antibody-drug conjugates (ADCs) and multi-payload conjugates used in oncology for solid tumors.

BiotechDeep TechHealthtechMedical DevicesSan Francisco, US

Marco Lobba(Founder)inMatthew Francis(Founder)in

Co-investorsCivilization Ventures Management, LlcIaso VenturesY CombinatorAxial VCLongeVCSocial Impact Capital

Dezy

Dental startup, formerly known as Smiles.ai.

Co-investors100XpeerchequeSpring Marketing Capital

Earliearli.comin𝕏Jan 2021

Earli develops a biotechnology platform that uses genetic constructs to detect cancer and produce therapeutic proteins by reprogramming cancer cells.

AI & Machine LearningBiotechDeep TechHealthtechMedical DevicesSouth San Francisco, US

Dr. Sam Gambhir(Founder)Cyriac Roeding(Co-founder)inDr. David Suhy(Co-founder & Chief Scientific Officer)

BoardJustin Kao(Director)inJorge Conde(Director)in

Co-investorsAndreessen HorowitzBreyer CapitalHan River PartnersMenlo VenturesDFJ

Enodaenoda.bioinFeb 2025

Enoda develops synthetic cytokine receptors, called MIMICs, that link therapeutic "Signal 3" cytokine functions to controllable inputs to engineer cell therapies without systemic toxicity.

BiotechDeep TechLondon

Michael Chavez(Co-founder & CEO)Paul Finn(Co-founder & CTO)Paul B. Finn(Founder)inJennifer Urquhart(Executive Officer, Director)Jacqueline Elizabeth Porch(Executive Officer, Director)Charles Louis Watson(Director)

Co-investorsFifty Years

Eva Tech

Making world-class radiology technology available in LATAM.

Evacenterevacenter.comin

Eva Center offers Eden, a cloud-native RIS/PACS platform for radiology departments and diagnostic imaging institutions, featuring fast DICOM loading, medical-grade image viewers with multiplanar and 3D reconstruction, voice dictation, scheduling, referring-physician portals, and digital delivery of results.

HealthtechMedical DevicesSaaS

Examolexamol.io

Cloud infrastructure for computational chemistry.

Fathom Health

Industry-best AI for medical coding.

Fathom Health Artificial Intelligence falsefathomhealth.comin𝕏

Fathom provides autonomous medical coding software for healthcare organizations, using AI to automate the assignment of medical codes.

AI & Machine LearningDigital HealthHealthtech

Co-investorsAlkeon InnovationGreat Oaks Venture CapitalLifeforce CapitalInflect Health

Forum

Making peer support accessible for people navigating life's biggest challenges.

Freedom Bio

Novel ketamine formulations for treatment resistant depression.

Freedom Biosciencesfreedombio.coin𝕏

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)inDina Burkitbayeva(Co-founder)in

Co-investorsBeni Venture CapitalIter InvestmentsLongeVCManta Ray VenturesPsyMed VenturesUnruly Capital

Joinforumjoinforum.com
Journey Colabjourneycolab.com

Psychedelic therapies for addiction.

Juniper

A new standard of care in IVF preimplantation genetic testing.

Juniper Genomicsjunipergenomics.cominJul 2025

Juniper Genomics provides genomic testing for IVF, including enhanced PGT-A that analyzes both DNA and RNA from a single embryo biopsy to assess chromosome status and embryo viability, and PGT-G that expands analysis across nearly the full genome from the same sample.

BiotechDigital HealthFemTech

Co-investorsAmboy Street VenturesDria VenturesBlue CollectiveCompany VenturesInnospark Ventures

Keebler Healthkeebler.healthinApr 2026 · $16M

Keebler Health, founded in 2023, is a healthcare company focused on improving efficiency and efficacy in the healthcare industry.

AI & Machine LearningDigital HealthHealthtech

Isaac Park(CEO)inAndrew Stickney(COO)inKevin Hill(CTO)inTerrell Bacchus(CMO)in

Co-investorsFlare Capital PartnersHypothesisNew Stack VenturesPrimordial VenturesTau VenturesEverywhere Ventures+7 more

Macro Trialsmacrotrials.comin

Macro Trials operates a hub-and-spoke network of community-based clinical trial sites, providing sponsors and CROs with research-experienced investigators, embedded coordinators, and centralized operations for ophthalmology, dermatology, and pulmonology studies.

BiotechDigital HealthHealthtech

Co-investorsHealthy VenturesInflect Health

Maemeetmae.comin

Mae provides community-based doula support and maternal health education for pregnant people, integrating with insurance and Medicaid to match mothers with doulas and care coordinators.

Digital HealthFemTechHealthtechNew York City, US

Maya Hardigan(Founder)

Co-investorsAstiaBright VenturesForeground CapitalJoyance PartnersJumpstart NovaSocial Starts+2 more

Mae Health

Closing the maternal health gap for minority mothers.

OFFOR Healthofforhealth.comin

OFFOR Health provides mobile healthcare services to underserved populations in the United States, operating SmileMD for in-office anesthesia and sedation during pediatric dental procedures and IH Care+ for integrated health access.

Digital HealthHealthtechMedical DevicesWorthington, US

Gary Schafer(Chief Executive Officer)Alex Ramos(Chief Operations Officer)Brian Schloss(Chief Medical Officer)

Co-investorsAtlantic Vantage Point

Persist AIpersist-ai.cominApr 2023

Persist AI provides AI-driven formulation development services for pharmaceutical compounds, combining robotic lab automation with machine learning models to accelerate drug formulation optimization and reduce time-to-market.

AI & Machine LearningBiotechHealthtechMedical DevicesRoboticsSacramento, US

Karthik Raman(Founder)inChristopher Shelner(Founder)in

Co-investors2048 VenturesGlobal BrainGood AI CapitalJovonoSpero VenturesY Combinator+1 more

Rularula.comin

Rula operates a digital mental health platform connecting patients with licensed therapists for remote behavioral care.

Digital HealthHealthtechMental Health

Josh Bruno(Founder & CEO)in

Co-investorsBlue Venture FundsHarmony PartnersIcon VenturesKoch Disruptive TechnologiesMeridian Street CapitalPROOF+4 more

Smilessmiles.aiin𝕏

Smiles.ai (also branded Dezy) provides dental care including clear/invisible aligners, implants, and crowns through a network of clinics, using specialist orthodontists and at-home scanning.

ConsumerDigital HealthHealthtech

Jatin Kakrani(Founder)inHitesh Kakrani(Founder)in

Co-investorsAlpha Wave GlobalDIA

Tidaltidalcyber.comin𝕏Feb 2025 · $140M

Tidal Cyber develops tools and services that help enterprises adopt MITRE ATT&CK framework for threat-informed defense.

CybersecurityEnterprise Software

Rick Gordonin

Co-investorsAccess Venture PartnersBright Pixel CapitalDreamit VenturesGlasswing VenturesStoneMill VenturesTFX Capital+8 more

Tidal Visiontidalvision.comin

Tidal Vision produces chitosan-based solutions for applications including water treatment, agriculture, and material science.

AgTechCleantechNew MaterialsBellingham, US

Craig Kasberg(Founder & CEO)in

BoardRoeland van der Molen(Director)Arkadi Nachimowski(Director)Filipp Chebotarev(Director)Zachary Wilkinson(Director)Amrit Jalan(Director)

Co-investorsConvent Capital Management AFFGiant Ventures Global LlpPangaea Ventures Us Inc.Snatched Ventures

Vaxxinity

Synthetic peptide vaccines for chronic diseases.

Dallas, US

Co-investorsPrime Movers Lab

Vaxxinity Fighting Chronic Diseasesvaxxinity.comin𝕏

Vaxxinity develops vaccines designed to be long-lasting, well tolerated, and cost-effective, with protection against emerging variants and no requirement for a frozen cold chain, mRNA, or spike protein.

BiotechHealthtech

Co-investorsPrime Movers Lab

Vital Bio

Bringing lab testing to point-of-care.

Vital Biosciences Inc.vitalbio.comin

VitalBio develops the VitalOne, a diagnostic device that delivers comprehensive lab-grade blood test results in minutes from a small blood sample, using robotics, biochemistry, computer vision, and microfluidics.

BiotechDigital HealthMedical Devices

Vasu Nadella(Founder)in

Co-investorsNext VenturesInovia CapitalLachy GroomMarc BenioffNorthpond VenturesSam Altman+6 more

Vivodynevivodyne.comin𝕏

Vivodyne is a bio-AI company that develops lab-grown human tissues and robotic systems to generate causal biological data for therapeutic development.

AI & Machine LearningBiotechDeep TechBrisbane, US

Andrei Georgescu(Executive Officer, Director)Dongeun Huh(Executive Officer, Director)Andrei Georgescu, Ph.D.(Founder)in

BoardQuinten Stevens(Director)Alex Andrianopolous(Director)Alex Morgan(Director)in

Co-investorsBison VenturesKairos Venture Investments, LlcKhosla VenturesFortius Ventures

Waypoint Biowaypointbio.comin𝕏

Waypoint Bio uses artificial intelligence, computer vision, and pooled screening to conduct deep phenotyping across thousands of cell therapy designs, enabling the discovery and optimization of superior cell therapy candidates for development.

AI & Machine LearningBiotechDeep Tech

Xinchen Wang, Ph.D.(Co-founder & CEO)David Phizicky, Ph.D.(Co-founder & CSO)Xinchen Wang(Founder)in

Co-investorsAmplify PartnersFifty YearsHummingbird VenturesMitsui Global InvestmentRecode VenturesAmplify Partners CV+2 more

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.

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has MBX Capital made?
MBX Capital has 17 tracked investments, including 2 dated in the last 24 months.
What stage does MBX Capital invest at?
MBX Capital invests at the Pre-Seed, Seed, Series A stages.
What is MBX Capital's typical check size?
MBX Capital typically writes checks of $250K – $2.5M.
What sectors does MBX Capital focus on?
MBX Capital focuses on AI & Machine Learning, Biotech, Digital Health, FemTech, Healthtech, Medical Devices, Mental Health.
Where is MBX Capital located?
MBX Capital is headquartered in Claymont, US.
Does MBX Capital lead rounds?
MBX Capital typically participates in rounds rather than leading them.
Who does MBX Capital co-invest with?
MBX Capital most often shares deals with Fifty Years, Amplify Partners, Hummingbird Ventures, among 10 tracked co-investors.

Co-investors · 9

General Catalyst

General Catalyst is a venture capital firm operating as a partnership focused on company building and accelerating the growth of the businesses it backs.

Both backed · 1
$30M
Uber

Uber is a technology company operating multisided platforms that connect consumers with ride services, transit, delivery of food and groceries, and freight shipping across more than 70 countries and 15,000+ cities.

Plug and Play Ventures

Plug and Play is an innovation platform that connects corporations, governments, startups, investors, and universities to drive innovation.

$50K – $12M
Cota Capital

Cota Capital is an investment firm focused on founders building net-new enterprise technology, combining capital with operational expertise, industry insight, competitive intelligence, and a broad network.

8VC

8VC is a venture capital firm investing across logistics, life sciences, healthcare, IT infrastructure, and government/defense, guided by its Smart Enterprise thesis focused on data integration and platform network effects.

$100K – $50M
Pear VC

Pear VC is a venture capital firm that backs founders from the earliest stages through its PearX accelerator and seed investing programs.

$150K – $4M
23andMe

23andMe Research Institute is a genetic research organization that unites a community of 11 million members to advance health discoveries and deepen understanding of human DNA through collaborative research. The institute operates a cycle where members contribute genetic data that fuels research, which produces insights and breakthroughs that flow back to members and society.

BIOSPRING PARTNERS

Biospring Partners invests in technology-enabled, EBITDA-positive pharma services businesses focused on advancing manufacturing and clinical trial services for the life sciences industry.

Mystic Ventures

Mystic Ventures is an early-stage investor backing teams in psychedelic medicine and consciousness expansion, focusing on companies at the intersection of biotechnology, AI, and longevity.

Firms observed investing alongside MBX Capital, from public investor directories. Shared companies are the overlap with MBX Capital's recorded portfolio.

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