Walden Catalyst — Full Portfolio

A Place for Mom is a senior care referral service that helps families find and compare senior living and care options, including assisted living, memory care, independent living, home care, nursing homes, and senior apartments.

ConsumerDigital HealthHealthtechMarketplacesWellness & FitnessVernon Hills, US

Douglas Hirsch(Director)Trevor Bezdek(Co-Chairman & Director)Jonathan Stevens(Executive Officer)Thomas Richards(Executive Officer, Director)Christine Leahy(Executive Officer)Dennis Berger(Executive Officer)

Co-investorsBABain Capital Double Impact Fund LPBABain Capital Life SciencesBABain Capital Tech OpportunitiesBABattery VenturesBEBessemer Venture PartnersBLBlue Sea Capital+38 more

3DGS manufactures glass-based substrate and packaging solutions for miniaturized RF, analog, and digital components in semiconductor and electronics applications.

Advanced ManufacturingDeep TechHardwareSemiconductorsAlbuquerque, US

JFJeb Flemming(Founder & CTO)in

Co-investorsINIntel CapitalCACambium CapitalSUSun Mountain CapitalLOLockheed Martin Ventures

ANYbotics develops autonomous robots that perform inspection and maintenance tasks in industrial facilities, particularly in energy, oil & gas, and manufacturing sectors.

Advanced ManufacturingDeep TechEnergyHardwareIoTRoboticsZurich, CH

DPDr. Péter Fankhauser(Co-Founder & CEO)inPFPéter Fankhauser(Founder)inHanspeter Fassler(Founder)Peter Fankhauser(Founder)

Co-investorsBEBessemer Venture PartnersARAramco VenturesBOBootstrap EuropeCLClimate InvestmentNGNGP CapitalNVNVIDIA+7 more

Peptone develops a product engine to design small-molecule drug candidates targeting intrinsically disordered proteins, which have been difficult to address with conventional drug discovery approaches.

AI & Machine LearningBiotechDeep TechBellinzona, CH

Kamil Tamiola(Founder)in

Co-investorsBEBessemer Venture PartnersHOHoxton VenturesF-F-Prime CapitalFOFounders FactoryFOFounders Factory NYNONovartis Venture Fund

Medable provides a cloud-based platform for clinical research that uses AI and digital tools to accelerate the development of therapies by improving the quality, reach, and efficiency of clinical trials.

AI & Machine LearningBiotechCloud ComputingDigital HealthHealthtechMedical DevicesSaaSPalo Alto, US

MLMichelle Longmire(Founder)Timothy R. Smith(Executive Officer, Director)PRPerry Robinson(Executive Officer)inRolland-Yves MauvernayTim Smith(Founder)

Board seatYoung A. Sohn· per SEC Form D · $304M raise · filed Nov 2021

Co-investorsACACVC PartnersCOConnectivity VenturesDEDebiopharm Innovation FundHEHealthX VenturesINInformed Ventures Advisors, LlcKIKin Ventures+8 more

SambaNova develops an integrated AI platform designed to help enterprises deploy and manage AI workloads efficiently.

AI & Machine LearningCloud ComputingEnterprise SoftwareHardwareSemiconductorsPalo Alto, US

KOKunle Olukotun(Founder)inRLRodrigo Liang(Founder)inChristopher Ré(Founder)

Board seatLip-Bu Tan· per SEC Form D

Co-investorsATAtlantic Bridge VenturesBABattery VenturesBEBerkeley FrontierCACambium CapitalCECelesta CapitalFEFelicis Ventures+22 more

AI21 develops trustworthy artificial intelligence technology to enhance human productivity.

AI & Machine LearningDeveloper ToolsEnterprise Software

OGOri Goshen(Founder)inYSYoav Shoham(Founder)inASAmnon Shashua(Founder)in

Co-investors8V8VCAHAhren Innovation CapitalCOCoatue ManagementCOComcast VenturesFEFelicis VenturesINIntel Capital+8 more

Amperesand manufactures medium voltage solid-state transformers for critical power infrastructure, enabling faster deployment of power systems for AI data centers and industrial applications.

Deep TechEnergyHardware

BDBrian Dow(Chief Executive Officer)inTJTommy Joyner(Sr. VP of Engineering)inMBMarc Bouchet(Chief of Staff)inARAndrey Reznik(Chief Financial Officer)

Co-investorsFOFoothill VenturesMAMaterial ImpactTDTDK VenturesXOXoraXOXora Innovation Pte Ltd

Building the AI hardware industry from scratch

JSJovan Stojanovic(Founder)in

Co-investorsENEntrada VenturesTETensor VenturesACAcequia Capital (AceCap)EAEarlybird Venture Capital

Artera develops AI-powered diagnostic tests that analyze patient biopsy images to predict therapeutic response in cancer care.

AI & Machine LearningHealthtechMedical DevicesLos Altos, US

AEAndre Esteva(Founder)in

Co-investorsAIAIspace VenturesBRBreyer CapitalCOCoatue ManagementKOKoch Disruptive TechnologiesLELead Edge CapitalSTStartX+8 more

Ati Robotics builds factory-hardened autonomous mobile robots (AMRs) and an AI-driven orchestration platform (Ati Flow/Ativerse) that coordinates material movement on manufacturing floors and integrates with ERP and MES systems.

Advanced ManufacturingIoTRoboticsRochester Hills, US

SCSaurabh Chandra(Founder)inNaresh Kumar(Founder)Naveen Arjun(Founder)Saad Nasser(Founder)Vinay Raghuram(Founder)Vinay Raj Somashekar(Founder)

Co-investorsATAthera Venture PartnersEXExfinity VenturesMFMFV PartnersNGNGP CapitalBLBlume VenturesTRTrue Ventures

Avegant develops LED light engine technology, including the AG-30L2, for lightweight augmented reality glasses.

Deep TechHardwareMedia & EntertainmentSemiconductorsSan Mateo, US

ETEdward Tang(Chief Executive Officer and Co-Founder)inAEAllan Evans(Executive Officer)inARAnnie Rogaski(Executive Officer)inJTJoerg Tewes(Executive Officer, Director)inNeil Welch(Executive Officer)inYobie Benjamin(Executive Officer)

Co-investors50500 GlobalIDID VenturesLGLG Technology VenturesAPApplied VenturesCHChina Walden Venture InvestmentsDNDN Capital+2 more

Berkeley Lights (now Bruker Cellular Analysis) develops the Beacon optofluidic system for single-cell functional analysis, enabling researchers to profile live single cells to discover therapeutic antibodies, interrogate T cells, identify cell therapies, and accelerate cell line development.

BiotechDeep TechHardwareEmeryville, US

MWMing Wu(Director)inIgor Khandros(Executive Officer, Director)

BoardMMMichael Marks(Director)inLip-Bu Tan Tan(Director)Michael Moritz(Director)inWilliam Davidow(Director)

Co-investorsCECelesta CapitalCOCota CapitalKHKhosla VenturesLULucas Venture GroupOPOpen Field CapitalSHShangBay Capital LLC+5 more

Clarity provides identity security and fraud protection for organizations throughout the candidate and employee lifecycle, using AI detection technology to prevent unauthorized access and insider threats caused by AI-driven identity manipulation.

AI & Machine LearningCybersecurityHR Tech

OBOfer Ben-Noon(Co-Founder & CEO)UMUdi Mokady(Co-founder & CTO)SMSlavik Markovich(Head of GTM)ESEyal Sasson(Head of Fraud & IP)David Lu(Founder)Gil Avriel(Founder)

Co-investorsASAscend Venture CapitalBEBessemer Venture PartnersCOCommunity Access FundFLFlying Fish VenturesFUFusion VCGRGroundswell Ventures+15 more

Darktrace / Forensic Acquisition & Investigation is a cloud-native forensics product that automates disk-level evidence capture, collection, and preservation across multi-cloud, on-premises, and SaaS environments.

AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareSaaSCambridge, GB

JPJill PopelkainDave Palmer(Founder)Emily Orton(Founder)Jack Stockdale(Founder)Nicole Eagan(Founder)Poppy Gustafsson(Founder)

Co-investors40408 Ventures51515 VenturesALAlexander Square PartnersAMAmakorBABalderton CapitalBRBright Pixel Capital+14 more

Empower Semiconductor designs power management and mixed-signal integrated circuits, including high-power and voltage regulation devices for the semiconductor industry.

AI & Machine LearningDeep TechHardwareSemiconductors

TPTim Phillips(Chief Executive Officer & President, Founder)inGSGene Sheridan(Founder)inTrey Roessig(Chief Technology Officer & SVP Engineering)Kurt Redfield(Chief Financial Officer & Treasurer)

Co-investorsARArcherman CapitalCACapitalGMEMESHRARaptor GroupSASamsung Catalyst FundSOSocratic Partners+8 more

Empowercultural provides cultural accessibility solutions for museums, art centers, and cultural institutions, with a focus on ensuring people with autism and other needs can participate in cultural experiences without barriers.

EdTechImpact & Social GoodMadrid, ES

Co-investorsSHShip2BATAtreides ManagementBLBlisceCACapitalGCOCommunity Investment ManagementFIFidelity Investments+6 more

Bertrand Serlet(Founder)in

Co-investorsBABattery VenturesSASamsung Catalyst FundSOSoftBank Vision Fund

Splunk Agent Observability is a platform that monitors and secures AI agents in production by combining evaluation, observability, cost tracking, and guardrails.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaS

VCVikram Chatterji(Founder)inASAtindriyo Sanyal(Founder)inYSYash Sheth(Founder)inClay Wilkes(Founder)Dave Wilkes(Founder)

Co-investorsBABattery VenturesCACategory VenturesFPFPVPRPremji InvestS S VenturesSCScale Venture Partners+10 more

Genome Medical provides telehealth-enabled genetic services, including genetic counseling, genetic testing, and clinical trial matching, with a focus on individuals with rare conditions.

BiotechDigital HealthHealthtechSouth San Francisco, US

LALisa Alderson(Executive Officer, Director)inRandal Scott(Director)Jill Davies(Executive Officer, Director)inEMElizabeth Moreno(Executive Officer)inMSMark Sylvester(Chief Financial Officer)inAWAndrew Warner(Vice President, Product)in

Co-investorsALAlumni VenturesAVAvestria VenturesCACanaan PartnersDRDreamers VCECEcho Health VenturesGVGV (Google Ventures)+11 more

Genome Medical provides telehealth-enabled genetic counseling, testing, and clinical trial access for patients with rare diseases.

BiotechDigital HealthHealthtechMedical Devices

Co-investorsBLBlue Ivy VenturesISiSelect FundCACanaan PartnersILIllumina Ventures

Graphcore builds processor hardware and systems for machine intelligence and AI workloads.

AI & Machine LearningHardwareSemiconductors

NTNigel Toon(Founder)inNick Bishop(Chief Financial Officer)inSDSally Doherty(Chief Marketing Officer)inJWJohn Walsh(Chief Operating Officer)inMMMarcus McElroy(General Manager)inHBHelen Byrne(VP AI Technology)in

Co-investorsAHAhren Innovation CapitalAIAir Street CapitalATAtomicoBABalderton CapitalBMBMW i VenturesBOBosch Ventures+10 more

Greenstone develops induced pluripotent stem cell (iPSC)-based non-animal models combined with AI for drug discovery and development.

AI & Machine LearningBiotechDeep TechStanford, US

Dr. Joseph C. Wu(Co-founder)

Ingonyama develops cryptography acceleration technology, including ICICLE, a library that speeds up algorithms and protocols such as zero-knowledge proofs across compute backends like CPUs, GPUs, Apple Silicon, and its ZPU hardware.

Crypto & Web3Deep TechDeveloper Tools

Co-investorsBLBlueYard CapitalIOIOSG VenturesMAMaven 11RORockawayXSASamsung NextZEZero Knowledge Validator (ZKV)+2 more

Innovium (now part of Marvell) designs custom silicon, network switch products, and interconnect platforms for AI data-center infrastructure, enterprise networking, and 5G carrier applications.

AI & Machine LearningData & InfrastructureHardwareSemiconductorsSan Jose, US

RKRajiv Khemani(Co-Founder & Chief Executive Officer)inPuneet Agarwal(Co-Founder & Chief Technology Officer)inSumeet Gagneja(Chief Financial Officer)BFBruce Fishbein(Chief Development Officer)inPhil Mazzara(General Counsel)SKStuart Krometis(Vice President, Worldwide Sales and Business Development)in

Co-investorsBLBlackRockCECelesta CapitalDADag VenturesGRGreylock PartnersPRPremji InvestQUQualcomm Ventures+1 more

Marvell designs custom silicon and provides interconnect and network switch products for AI data-center infrastructure, serving hyperscalers, enterprise networks, and 5G carriers.

AI & Machine LearningCloud ComputingData & InfrastructureDeep TechHardwareSemiconductors

LNLoi Nguyen, PhD(Founder)in

Co-investorsGFGFT VenturesICICCP Venture PartnersMAMayfield FundWEWestern Technology InvestmentATAtreides ManagementCACapitalG+4 more

San Francisco, US

GIGrant Ingersoll(Director)Will Hayes(Executive Officer, Director)inRFReade Frank(Executive Officer)inPaul Doscher(Executive Officer, Director)Frank Calderon(Executive Officer)Guy Sperryin

Co-investorsALAllegisCyber CapitalFRFrancisco PartnersINIn-Q-TelSISixth StreetSHShasta VenturesTOTop Tier Capital Partners

Luo builds financial infrastructure that lets businesses in emerging markets send cross-border payments to the rest of the world with more speed, transparency, and reliability.

Enterprise SoftwareFintechParis, FR

Hamza Benkirane(CEO)inMWMorgan Wirtz(CPO)in

Co-investorsDFDFS Lab FrontierENEntrepreneur FirstMAMaC Venture CapitalPRProtagonistSASamos InvestmentsTRTranspose Platform Management+7 more

MindsDB builds open-source infrastructure for AI-augmented analytics and data work, enabling users to interact with their data through natural language.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

ACAdam Carrigan(Founder)inJTJorge Torres(Founder)inGeorge Hosu(Senior Developer)Abi Tedder(HR Manager)

Co-investorsANAngel InvestBEBerkeley SkyDeck FundMAMayfield FundMMMMC VenturesNVNVenturesNVNVIDIA+16 more

Nace provides AI-powered verification and automation for financial processes, including audit, accounting, compliance, and deal due diligence.

AI & Machine LearningEnterprise SoftwareFintechPalo Alto, US

SVSudha Valluru(Founder)inLucas Tsao(Founder)Stephen V(Founder)Zhanibek Datbayev(Founder)inDos Baha(Founder)

Co-investors.4.406 VenturesCOCoalition OperatorsGEGeneral CatalystMVMVP Ventures

Nearfield Instruments (NFI) develops automated high-throughput atomic force microscopy systems for atom-scale 3D metrology used in process control.

Deep TechHardwareSemiconductors

Co-investorsINInnovation Industries

AI agents that learn on the job to become domain experts for reliable and scalable intelligence

Palo Alto, US

Xiang Deng(Founder)Yu Su(Founder)

Co-investorsCACambium CapitalRWRWT HorizonsCECelesta Capital

Santa Clara, US

Gerard Williams III(Founder)John Bruno(Founder)John Paz(Founder)Manu Gulati(Founder)

Co-investorsCECelesta CapitalMAMayfield FundMIMithril Capital ManagementGIGilgamesh VenturesNXNXTPTETechnology Impact

OPAQUE provides a hardware-enforced trust layer for AI systems that enables organizations to run AI on sensitive data with independently verifiable proof of data protection.

AI & Machine LearningCybersecurityEnterprise SoftwareSan Francisco, US

ISIon Stoica(Co-Founder)inRARaluca Ada Popa(Co-Founder)inRPRishabh Poddar(Co-Founder and CTO)inCLChester Leung(Co-Founder)inWZWenting Zheng(Co-Founder)inAFAaron Fulkerson(CEO)in

Co-investorsINIntel CapitalSTStorm VenturesRARace Capital

RadixArk is a deep-tech company building large-scale AI inference and training infrastructure, including open-source engines and managed tooling for serving and post-training models.

AI & Machine LearningData & InfrastructureDeep Tech

RadixArk builds open-source AI infrastructure for large-scale model training and inference, including the SGLang inference engine and Miles reinforcement learning framework.

AI & Machine LearningData & InfrastructureDeep Tech

BZBanghua Zhu(Founder)in

Co-investorsACAccelHOHOF CapitalSKSky9 CapitalTRTranspose Platform ManagementVOVocal VenturesAMAMD Ventures+6 more

Revolear provides an AI-driven system that handles quote-to-contract sales tasks such as product configuration, pricing, approvals, term negotiation and contracting, aiming to replace work done by deal desk analysts, sales engineers and lawyers.

AI & Machine LearningSaaSSales TechSan Francisco, US

Adam Rutland(Founder)Raja Singh(Founder)

Amit Parikh(Founder)Belli Kuttanna(Founder)Mark Hayter(Founder)PKPuneet Kumar(Founder)inTse-Yu Yeh(Founder)

Co-investorsCACambium CapitalDEDell Technologies CapitalKOKoch Disruptive Technologies

Speedata develops an Analytics Processing Unit (APU), a purpose-built semiconductor chip designed to accelerate database analytics and AI workloads for enterprises.

AI & Machine LearningData & InfrastructureSemiconductors

DCDan Charash(Founder)inJonathan Friedmann(Founder)inYEYoav Etsion(Founder)inDVDani Voitsechov(Founder)inItai Incze(Founder)inRafi Shalom(Founder)in

Co-investors8383NorthHAHanaco Venture CapitalKOKoch Disruptive TechnologiesPIPitangoVIViola Ventures

Synacor provides cloud-based software and services for video, internet, and communications providers, device manufacturers, governments, and enterprises.

Cloud ComputingCybersecurityEnterprise SoftwareMedia & EntertainmentSaaSBuffalo, US

William J. Stuart(Executive Officer)HBHimesh Bhise(Executive Officer, Director)inDHDrake Harvey(Chief Executive Officer (CEO))inIBIra Berger(Chief Finance Officer (CFO))inACAnthony Chadd(Chief Revenue Officer (CRO), Zimbra)inBCBret Cunningham(Chief Product Officer (CPO))in

Co-investorsCACarbide VenturesNONorth Atlantic Capital

Unique provides a platform that accelerates business processes and go-to-market initiatives through generative AI applications and consulting expertise for enterprise clients.

AI & Machine LearningEnterprise SoftwareFintechSaaSZurich, CH

AHAndreas Hauri(Founder)inMGManuel Grenacher(Founder)inMHMichelle Heppler(Founder)in

Co-investorsCOCommerzVenturesDADaniel GutenbergDNDN CapitalKIKickstart InnovationVIVI PartnersFYFYRFLY Venture Partners+1 more

FintechSan Francisco, US

Co-investorsLILightspeed Venture PartnersTETechstarsTOTomorrow Today AS

Virtue AI offers an enterprise AI security platform that applies real-time guardrails, red-teaming, and compliance controls to AI models and agentic systems.

AI & Machine LearningCybersecurityEnterprise SoftwareSan Francisco, US

SKSanmi Koyejo(Founder)inBLBo Li(Founder)inDSDawn Song(Founder)inCarlos Guestrin(Founder)in

Co-investorsOUOUP (Osage University Partners)LILightspeed Venture Partners

Cloud-based data integration for complex hardware engineering

Mountain View, US

Joshua Patterson(Founder)Keith Kraus(Founder)Darren Haas(Founder)Josh Patterson(Founder)Rodrigo Aramburu(Founder)Wes McKinney(Founder)

Co-investorsBABattery VenturesCOCoatue ManagementFEFelicis VenturesGVGV (Google Ventures)LILightspeed Venture PartnersACAccenture Ventures+2 more