/Investor DB

Slater Technology Fund — Full Portfolio

46 tracked investments · listed companies and verified rows first

Boldenboldentherapeutics.com✓ verified

Bolden Therapeutics is a biotechnology company developing therapeutics that promote neurogenesis—the formation of new brain cells—to treat neurological and central nervous system diseases such as Alzheimer's.

BiotechDeep TechProvidence, US

Johnny Page(Co-Founder & CEO)inAshley Webb(Scientific Founder)Justin Fallon(Scientific Founder & Chair of Scientific Advisory Board)Dr. Polsky(Executive Chairman)

Co-investorsLifespan Vision VenturesPartners Resolute

Octagon Therapeuticsoctagontherapeutics.comin𝕏Feb 2024Defunct

Octagon Therapeutics is a biotech company developing new medicines for autoimmune diseases with unmet clinical need, based on scientific research from Harvard.

BiotechHealthtechProvidence, US

Isaac Stoner(Co-founder & CEO)inFred Ausubel(Co-founder; Professor of Genetics, Harvard Medical School (Emeritus))Ronald Lennox(Director)

Board seatThorne Sparkman· per SEC Form D

Co-investorsBantam GroupSand Hill AngelsWalnut Venture Associates

Voltservervoltserver.cominJul 2020

VoltServer develops fault-managed power distribution systems (Digital Electricity) for delivering electrical power to buildings and infrastructure projects.

CleantechData & InfrastructureEnergyHardwareEast Greenwich, US

Steve Eaves(Founder & CEO)inCharlie Garcia(CFO)Stanley J. Mlyniec(CTO)inKen Hydzik(EVP of Global Sales)Amber Fortney(Senior Director of Marketing / VP of Marketing)Ronna Davis(VP of Business Development / CRO)in

Board seatThorne Sparkman· per SEC Form D

Co-investorsClean Energy VentureConstellation Technology VenturesClean Energy Ventures

Adept Materialsadeptmaterials.comin𝕏

Adept Materials develops advanced materials for building envelopes that improve energy efficiency, durability, and moisture management without sacrificing comfort.

Advanced ManufacturingCleantechConstruction TechDeep TechNew MaterialsSomerville, US

Derek Stein, Ph.D.(Founder & CEO)Derek Stein(Founder / Inventor)

BoardMiguel Galvez(Director)Daniel Cromie(Director)

Co-investorsAnorak VenturesBantam GroupCreative Destruction Lab (CDL)Third Derivative

Aie Incaie-inc.net

Advanced Image Enhancement develops proprietary wavelet-based digital image enhancement technology for medical imaging, particularly to improve visibility of subtle lesions in mammograms and other radiology images for physicians.

AI & Machine LearningDigital HealthHealthtechMedical DevicesNewton, US

Michael Duarte(Co-founder, President and Chief Executive Officer)Alan Semine(Co-founder, Director of Clinical Applications)

Arcturawindarcturawind.comin𝕏

Arctura develops advanced technologies including lightning protection systems, distributed nitric acid production, and optimization software for industrial applications.

Advanced ManufacturingCleantechDeep TechEnergyNew Materials

Neal Fine(Founder)in

Co-investorsUPC Capital Ventures

Cadenttxcadenttx.comin𝕏acquired by Novartis

Cadent Therapeutics was a Cambridge, Massachusetts-based neuroscience company developing clinical-stage therapies for neuropsychiatric disorders including schizophrenia, movement disorders, and treatment-resistant depression.

BiotechDigital HealthHealthtechMedical DevicesCambridge, US

Co-investorsQiming Venture Partners USAAccess IndustriesAtlas VentureClal Biotechnology IndustriesCowen Healthcare InvestmentsNovartis Institute for Biomedical Research+1 more

CarbonPointcarbonpoint.comAcquired

CarbonPoint Solutions (founded in 2011 as Enhanced Energy Group) develops carbon capture technology that concentrates and captures CO2 from reciprocating engines and gas turbines at distributed power system scale, using its patented Semi-Closed Cycle (SCC) and CO2-TSA processes originally derived from U.S.

CleantechClimate TechEnergy

Paul Dunn(Founder)in

Care Threadcarethread.cominJun 2022

Care Thread is a HIPAA-compliant mobile care coordination platform for real-time clinical communication among hospital care teams.

East Greenwich, US

Nicholas Adams(Executive Officer, Director)in

BoardJudit Fabian(Director)inAndrew Shearer(Director)

Cremedicalcremedical.comMay 2017

Cre Medical develops transcranial focal electrical stimulation (TFS) equipment for research applications, including concentric ring electrodes and a constant-current stimulator device.

AI & Machine LearningDeep TechHardwareHealthtechMedical Devices

Walt Besio(Founder)

Drivetimemetricsdrivetimemetrics.com

Global Zoom Logistics is a freight forwarding company that ships air and sea cargo from the United States to Venezuela, offering weekly flights with consolidated and door-to-door delivery options.

Logistics & Supply ChainMiami, US

Co-investorsSand Hill Angels

Enowenergyenowenergy.com

eNow designs solar-based power and energy management systems for commercial trucks, trailers, RVs and marine vehicles.

Farsounderfarsounder.comin

FarSounder develops 3D Forward Looking Sonar technology for maritime vessels to detect underwater obstacles and hazards, enabling safe navigation while reducing environmental impact and collision risks.

Deep TechDefense TechHardwareIoT

Matthew Zimmerman(Founder)in

Flux Marinefluxmarine.cominMar 2022

Flux Marine designs and manufactures all-electric outboard motors and electric propulsion systems for boats, selling to companies and individual customers.

CleantechHardwareMobility & TransportationEast Greenwich, US

Jonathan Lord(Cofounder)Ben Sorkin(Founder)inDaylin Frantin(Co-founder)

Co-investorsNextFab VenturesWinklevoss CapitalBoost VCCollide Capital

Gopeergopeer.orgAug 2019 · $265KAcquired

GoPeer is an online tutoring platform that pairs vetted college students with K-12 students for 1-on-1 lessons.

Providence, US

Ethan Binder(Executive Officer, Director)Erik Laucks(Cofounder)Zura Mestiashvili(Cofounder)

Co-investorsredalpine

HappyNesthappynest.comin

HappyNest is a nationwide laundry pickup and delivery service in the US that collects, professionally cleans, folds, and returns household laundry through local providers.

ConsumerLogistics & Supply ChainMarketplacesEast Greenwich, US

Jesse Prince(Founder)inJohn MacKrell(Founder & CEO)Gilbert Conover(Director)Geoffrey Fudge(Executive Officer, Director)

Co-investorsBantam GroupWalnut Venture Associates

IlluminOssilluminoss.comAcquired

IlluminOss Medical makes a light-curable, patient-conforming intramedullary implant for minimally invasive fracture repair.

Co-investorsExcel Venture ManagementLongwood FundPappas Capital

Lenoss Medicallenoss.cominFeb 2021

Lenoss develops products aimed at advancing a physiological treatment pathway, supported by a team of industry professionals and clinical advisors.

BiotechHealthtechMedical DevicesProvidence, US

Dom Messerli, MBAinDominique Messerli(Executive Officer, Director)

Co-investorsAZ Venture Capital Inc.Beacon AngelsWalnut Venture AssociatesXcellerant Ventures

Location, Inc.locationinc.comin𝕏

RiskSuite is a property risk assessment platform that provides granular block-level underwriting data for homeowner and commercial insurance.

Data & InfrastructureEnterprise SoftwareInsurTechPropTechSaaS

Marstonemarstone.comin𝕏Acquired

Marstone provides a digital wealth management platform that enables financial institutions to offer advisory and portfolio services to their clients.

Enterprise SoftwareFintechSaaS

Margaret J. Hartigan(Chief Executive Officer and Founder)inRobert Stone(Chief Creative Officer and Co-Founder)Christopher D. LaVine(Chief Strategy Officer and Co-Founder)in

Co-investorsCastle Creek LaunchpadLaunchpad CapitalMendon Venture Partners

Medleygenomicsmedleygenomics.com

A retailer of inspirational and religious merchandise including apparel, gifts, home décor, and media products sourced from multiple brand partners.

Consumer

MindImmune Therapeuticsmindimmune.comNov 2025

MindImmune develops therapeutics targeting the immune drivers of neurodegenerative diseases such as Alzheimer's, focusing on immune cells that respond to amyloid plaques before they enter the brain.

BiotechHealthtechKingston, US

Robert B. Nelson(Executive Officer, Director)Frank S. Menniti(Executive Officer, Director)inStevin Zorn(Executive Officer, Director)inIsaac Stoner(CEO)in

BoardRichard G. Horan(Director)Reetika Bhardwaj(Director)in

Co-investorsDolby Family VenturesPfizer Venture InvestmentsARCH Venture PartnersPfizer Ventures

Prothera Biologicsprotherabiologics.comNov 2015

ProThera Biologics develops therapies based on Inter-alpha inhibitor proteins (IAIP), a class of human plasma proteins with anti-inflammatory activity, to treat patients with severe inflammatory diseases.

BiotechHealthtechProvidence, US

Yow-Pin Lim(Founder and Chief Executive Officer)inDenice Spero(Executive Officer)Douglas C. Hixson(Director)

BoardRichard G. Horan(Director)Richard A. Andrews(Director)

Qmedinnovationsqmedinnovations.com

QMed Innovations builds autoclavable IoT hardware and analytics software for tracking medical device instruments and inventory.

Rhetorikrhetorik.comin𝕏Acquired

Rhetorik provides global business intelligence through databases containing over one billion company and professional profiles, enabling organizations to identify new audiences and build international relationships.

Data & InfrastructureEnterprise SoftwareHR TechMarketing TechSaaSSales TechWokingham, GB

Meredith Amdur(Chief Executive Officer)in

BoardTim Baskerville(Chairman)

RxVantagerxvantage.cominJan 2022

Platform connecting healthcare providers with life science experts to access critical information and insights.

Co-investorsJavelin Venture PartnersMcKesson VenturesMerck Global Health Innovation FundMSD Global Health Innovation FundSpectrum Equity

Semma Therapeuticssemma-tx.comacquired by Vertex Pharmaceuticals · Sep 2019 · $950M

Cambridge, MA biotech developing stem cell-derived islet therapy plus an immune-protective device for type 1 diabetes; acquired by Vertex for $950M.

BiotechCambridge, US

Robert Millman(Executive Officer, Director)

BoardTodd Foley(Executive Officer, Director)inMitch Finer(Director)Stephen Knight(Director)inJim Scopa(Director)William Sahlman(Director)

Co-investorsARCH Venture PartnersF-Prime CapitalJDRF T1D FundORI Capital6 Dimensions CapitalCowen Healthcare Investments+4 more

SquadLockersquadlocker.comin𝕏

SquadLocker provides custom team uniforms and apparel through online stores, serving sports leagues, schools, and coaches.

Direct to ConsumerE-commerceSports TechWarwick, US

Gary Goldberg(Executive Officer, Director)inFrank Tillinghast(Executive Officer)inKeith Roberts(Executive Officer)inTodd Grant(Executive Officer)in

BoardGeorge Overholser(Director)James Lombardi(Director)

Co-investorsABS Capital PartnersCauseway Partners

The Search Agencythesearchagency.comAcquired

Digital marketing agency specializing in paid search, SEO and conversion optimization; acquired by ForwardPMX in 2019.

Co-investorsJMI Equity

Tizratizra.comin

Tizra provides a content delivery platform for publishing and information distribution.

E-commerceMedia & EntertainmentSaaS

David Durand, PhDAbe Danein

Vitae Industriessimplybetterx.comin𝕏Oct 2017 · $1.8M

BetteRx (formerly Vitae Industries) builds the AutoCompounder, an automated dosage-making system with a vetted compound formulary that helps 503A compounding pharmacists produce personalized medications more consistently and in line with FDA regulations.

BiotechHardwareHealthtechMedical DevicesProvidence, US

Jeanine Sinanan-Singh(Executive Officer, Director)inDaniel DeCiccio(Co-Founder & CTO)inAnthony Marsella(Founder & CEO)inStuart Jamieson(CFO)

Co-investorsCompoundSocial StartsTechstarsBoxGroupFounder CollectiveLerer Hippeau

Xmtherapeuticsxmtherapeutics.comin

XM Therapeutics develops extracellular matrix-based therapies to treat patients with chronic disorders, with initial applications targeting heart failure and pulmonary fibrosis.

BiotechDeep TechHealthtechMedical DevicesProvidence, US

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

DataristaAdvanced Image EnhancementAnderaArcturaCytoSolvDrive Time MetricsEgal PadseNowFlourish CareIafconsultMnemosyneModEnergyMofuseVCharge

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.