/Investor DB

Northwell Holdings — Full Portfolio

7 tracked investments · listed companies and verified rows first

Health Notehealthnote.cominSep 2022 · $17M

Health Note provides a voice AI system for medical practices and health systems that answers patient phone calls, schedules appointments, handles patient intake and insurance verification, processes medication refills, and generates clinical notes.

AI & Machine LearningDigital HealthHealthtech

Joshua Reischer(Founder)inAaron Rau(Founder)in

Co-investorsAfore CapitalAlumni VenturesCeltic House Asia PartnersDreamit VenturesFounder CollectiveRainfall Ventures+3 more

Holmuskholmusk.cominDec 2021

Holmusk builds real-world data and analytics products for neuropsychiatry, including NeuroBlu Data (de-identified patient records mapped from U.S. electronic health records) and NeuroBlu Analytics, an evidence engine that lets researchers build patient cohorts and run observational studies.

AI & Machine LearningData & InfrastructureDigital HealthMental HealthNew York, US

Nawal Roy(Founder)inTramontin Anthony David(Executive Officer, Director)Chik Wai Chiew(Director)Michael Weintraub(Director)

BoardCharles Andrew Boorady(Director)Vijay Prakash Barathan(Director)in

Co-investorsHealth Catalyst CapitalOptum Ventures

Hume AIhume.aiin𝕏May 2026

Hume AI develops infrastructure for emotionally intelligent voice AI, providing datasets, speech models, evaluation frameworks, and human preference pipelines.

AI & Machine LearningData & InfrastructureDeveloper ToolsNew York, US

Alan Cowen(Founder)in

BoardJohn Beadle(Director)Janet Ho(Executive Officer)Andrew Weissman(Director)inJeffrey Kraut(Director)Marc Rubinstein(Director)

Co-investorsAegis VenturesBright Pixel CapitalComcast VenturesLG Technology VenturesMetaplanetUnion Square Ventures (USV)+3 more

Memora Healthmemorahealth.comin𝕏Apr 2023Acquired

Memora Health develops a conversational AI assistant for healthcare that handles routine patient messages and triages complex clinical concerns to care teams.

AI & Machine LearningDigital HealthHealthtechSan Francisco, US

Manav Sevak(Founder)inNisarg Patel(Founder)inKunaal Naik(Founder)in

Co-investorsAndreessen HorowitzC3 VenturesDorm RoomGeneral CatalystGrant Park VenturesShrug Capital+19 more

Prolucentprolucent.comOct 2024

Prolucent provides a workforce management platform and services for health systems to manage permanent and flexible clinical talent, covering recruitment marketing, internal resource pools, external agency optimization, and workforce analytics.

HealthtechHR TechSaaS

Co-investorsA1 Health VenturesNurse CapitalHealth Velocity CapitalSpringTide Ventures

Violetvioletlabs.cominAug 2022

Violet Labs builds software tools for engineers designing and building physical products across industries including aerospace, defense, robotics, and energy.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareHardware

Lucy Hoag(Founder)in

Co-investorsFelicis VenturesMaC Venture CapitalMairs & Power VCV1 VCDementia Discovery FundHopelab+4 more

Violetviolet.org.auAug 2022

Violet provides free, personalised support for Australian families navigating end-of-life care, combining human connection and technology to offer practical guidance, emotional support, and tools for important conversations.

Digital HealthFintechHealthtechImpact & Social GoodMental HealthHaymarket, AU

BoardKate Carnell(Chairperson)

Co-investorsTechstarsDementia Discovery FundHopelabOno Venture Investment, Inc.SemperVirens Venture CapitalThe Venture Collective+1 more

Violetjoinviolet.cominAug 2022

Violet provides healthcare organizations with data analytics and tools to measure and improve their ability to deliver person-centered care that considers patients' individual preferences, identities, and experiences.

Data & InfrastructureDigital HealthHealthtechNew York City, US

Gaurang Choksi(CEO and Founder)inScott Zaloom(Head of Operations)inDr. Kay Nikiforova(Head of Clinical & Research)inEliot Kristan(Head of Engineering)in

Co-investorsHead & Heart CapitalSeae VenturesSemperVirens Venture CapitalThe Venture CollectiveW Health Ventures Gp LlcDementia Discovery Fund+3 more

Violetviolet.ioin𝕏Aug 2022

Violet provides a unified API for commerce infrastructure that simplifies checkout, catalog management, and order processing for platforms and marketplaces serving multiple merchants.

B2B MarketplacesE-commerceSaaSSeattle, US

Brandon Schulz(Founder)inRhen Zabel(Executive Officer, Director, Promoter)Adam Dreiblatt(Director)

Co-investorsAlumni VenturesSeaChangeDementia Discovery FundHopelabOno Venture Investment, Inc.Red Sea Ventures+4 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.