Parkwalk Advisors — Full Portfolio

52North Health develops NeutroCheck, a diagnostic tool that identifies neutropenia in chemotherapy patients presenting with fever, enabling risk stratification and reducing unnecessary emergency department visits.

BiotechDigital HealthHealthtechMedical DevicesCambridge, GB

Co-investorsMeridian Health VenturesCambridge Angels groupFuture Planet CapitalMilltrust International Group

8power builds 'Fit & Forget' wireless sensors that provide real-time condition monitoring, data and analytics for industrial machinery such as pumps, motors and gearboxes, allowing clients to track remote asset performance and plan maintenance.

Advanced ManufacturingAI & Machine LearningCleantechEnterprise SoftwareHardwareIoTCambridge, GB

Paul Egan(CEO)Glen Clark(CFO)

BoardRichard Green(Chairman)

Co-investorsCambridge Angels group

UK developer of PEM fuel cell systems, modules and FlowCath liquid cathode chemicals for stationary and automotive use.

UK developer of 5G physical layer and channel coding IP for satellite non-terrestrial networks, spun out of the University of Southampton.

Co-investorsBloc VenturesIQ Capital

adsilico builds generative AI technology that creates diverse virtual patient populations—digital models of human anatomy, physiology, and pathology—to run in silico trials that assess medical device safety and performance before human testing.

AI & Machine LearningHealthtechMedical Devices

Dr Nishant RavikumarinDr Zeike TaylorinProf Alejandro FrangiSheena Macphersonin

Co-investorsNorthern Gritstone

Albus Health develops clinically validated monitoring technology that tracks respiratory metrics, heart rate, and cough frequency to support clinical studies.

BiotechDigital HealthHealthtechMedical Devices

Prof Maarten De Vos(Head of R&D)

Co-investorsCreative Destruction Lab (CDL)Meridian Health VenturesUCeed Funds

Bio-inspired vehicles; spinout from University of Oxford's Department of Zoology

Aqdot is a supramolecular chemistry (chem-tech) company that develops proprietary AqFresh air quality and odour/VOC-elimination technology based on encapsulation.

CleantechDeep TechNew Materials

Dr Jing Zhang(Chief Executive Officer & Co-founder)Dr Roger Coulston(Chief Technical Officer & Co-founder)Hugh Rathbone(Chief Commercial Officer)Alex Anikeeva(Chief Financial Officer)

BoardTim Wright(Chairman)

Co-investorsProvidence Investment Company Limited

Arkivum provides a SaaS platform for long-term data archiving and preservation that ensures data remains secure, accessible, and readable for regulated organizations.

Data & InfrastructureEnterprise SoftwareSaaSReading, GB

Matthew [Last name not provided](CTO and Founder)

Co-investorsOxford

Industrial water treatment company

Arvia Technology provides water treatment solutions for removing organic compounds from wastewater across industrial applications including pharmaceutical manufacturing.

Advanced ManufacturingAgTechCleantechClimate TechEnterprise SoftwareRuncorn, GB

Dr. Nigel Brown(Founder)Dr. Ted Roberts

Disruptive hearing/audio clarity technology start-up

azulOptics develops eye-health screening technologies focused on prevention and early detection of eye disease.

HealthtechMedical DevicesBristol, GB

Shelby Temple(CEO, Co-founder)Matt Evans(COO, Co-founder)

Clean alternative to fluid refrigerants using barocaloric effect

Co-investorsWorld Fund

BibliU is a digital learning platform that partners with publishers to provide students affordable, instant access to course content, and offers institutions workflow automation to reduce administrative burden.

EdTechSaaS

Dave Sherwood(Co-Founder & CEO)in

Co-investorsBrick Capital VenturesGreen Shores CapitalGuinness VenturesOxford Science EnterprisesEmerge Education

Cytora provides AI-powered risk processing software for commercial insurance carriers and brokers to automate underwriting, claims decisions, and portfolio management.

AI & Machine LearningEnterprise SoftwareInsurTech

Richard Hartley(Co-Founder)Aeneas Wiener(Co-Founder, CTO)

Co-investorsEQT VenturesCambridge Innovation CapitalClaret Capital Partners

Echopoint Medical develops cardiac technology focused on coronary physiology for interventional cardiology.

Deep TechHardwareHealthtechMedical DevicesLondon, GB

Malcolm Charles Finlay(Director)Antony Ruben Odell(Executive Officer, Director)Antony Odell(CEO & Co-Founder)inMalcolm Finlay(CMO & Co-Founder)inAdrien Desjardins(CSO & Co-Founder)inPriscila Hancock(Executive Officer)

Co-investorsUCL Technology FundQueen Mary University of LondonAlbionVC

TextMine automates data extraction from business-critical documents using AI, serving enterprises in financial services, legal, and technology sectors that require high accuracy and security in document processing workflows.

AI & Machine LearningFintechLegalTechSaaSLondon, GB

Charles BrecqueMary Catherine(Chief Legal Officer)

Co-investorsOxford

Portfolio company that raised a £22.2m Series C funding round

Co-investorsOxford Science Enterprises

Opsydia develops optical and photonic technologies for precision manufacturing, emerging from research in adaptive optics and laser processing at the University of Oxford.

Advanced ManufacturingAI & Machine LearningDeep TechHardwareNew MaterialsSemiconductorsOxford, GB

Martin Booth(Founder and Director)Patrick Salter(Founder and Director)Dr. Noel Moore(Chief Technology Officer)

BoardNigel Vaughan(Chairman)

Co-investorsOxford Science EnterprisesForesight GroupOxford University Innovation

Novel antibody-based therapeutics platform for animal health.

Co-investorsCambridge Innovation CapitalCompanion FundDigitalis Ventures

YASA develops axial flux electric motors ('eMotors') and control systems for electric vehicles and other electrification applications, using a proprietary Yokeless And Segmented Armature design that reduces motor size and weight while increasing power and torque density.

CleantechHardwareMobility & TransportationOxford, GB

Tim Woolmer(CTO & Founder)

Co-investors24 HaymarketOxford Science EnterprisesInovia Capital