Walden Catalyst — Full Portfolio

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 Tech

Co-investorsBessemer Venture PartnersHoxton VenturesF-Prime CapitalFounders FactoryFounders Factory NYNovartis Venture Fund

San Jose, US

Krishnamurthy Rangasayee(Executive Officer, Director)Steven Rosston(Executive Officer, Director)

BoardJacob Flomenberg(Director)Michael Dauber(Director)Daniel Docter(Director)inMoshe Gavrielov(Director)

Board seatLip-Bu Tan· per SEC Form D · $67.8M raise · filed Nov 2022

Co-investorsBay Bridge Ventures ClimateDell Technologies Capital

3DGS designs and manufactures advanced glass-substrate semiconductor packaging, including glass interposers and 3D heterogeneous integration, for applications in RF/wireless (5G/6G), aerospace and defense, photonics, HPC/AI accelerators, and sensors.

Deep TechHardwareSemiconductors

Co-investorsCambium CapitalSun Mountain CapitalLockheed Martin Ventures

AI21 develops trustworthy artificial intelligence technology to enhance human productivity.

AI & Machine LearningDeveloper ToolsEnterprise Software

Ori Goshen(Co-CEO & Co-Founder)inProf. Yoav Shoham(Co-CEO & Co-Founder)Yoav Shoham(Founder)in

Co-investors8VCAhren Innovation CapitalCoatue ManagementComcast VenturesFelicis VenturesIntel Capital+4 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

Brian Dow(Chief Executive Officer)Tommy Joyner(Sr. VP of Engineering)Marc Bouchet(Chief of Staff)inAndrey Reznik(Chief Financial Officer)

Co-investorsFoothill VenturesMaterial ImpactXoraTDK VenturesXora Innovation Pte Ltd

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

AI & Machine LearningHealthtechMedical DevicesLos Altos, US

Andre Esteva, PhD(Founder)inAndre Esteva(Founder)

Co-investorsBreyer CapitalCoatue ManagementKoch Disruptive TechnologiesHealth Velocity CapitalJackson Square VenturesLead Edge Capital+2 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

Saurabh Chandra(Executive Officer, Director)

BoardChinnugounder Senthilkumar(Director)Arpit Agarwal(Director)inRohit Sharma(Director)inNihar Ranjan(Director)

Co-investorsAthera Venture PartnersExfinity VenturesNGP CapitalBlume VenturesTrue Ventures

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

Ming Wu(Director)Igor Khandros(Executive Officer, Director)Lip-Bu Tan Tan(Director)William Davidow(Director)James Rothman(Director)John Gunn(Director)

Co-investorsCelesta CapitalCelesta CapitalCota CapitalKhosla VenturesOpen Field CapitalShangBay Capital LLC+1 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

Ofer Ben-Noon(Co-Founder & CEO)Udi Mokady(Co-founder & CTO)Slavik Markovich(Head of GTM)Eyal Sasson(Head of Fraud & IP)

BoardVanessa Pegueros(VP Product)inDemi Ben-Arie(Cyber Advisory)

Co-investorsAscend Venture CapitalBessemer Venture PartnersFlying Fish VenturesFusion VCUnitus Ventures

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

Jill Popelkain

Co-investors408 VenturesAlexander Square PartnersAmakorBalderton CapitalBright Pixel CapitalBrighton Park Capital+10 more

Empower Delivery provides a timing and coordination software engine designed to optimize omnichannel operations for restaurant brands, enabling efficient order management and fulfillment across digital and in-person channels.

Enterprise SoftwareLogistics & Supply ChainSaaS

Dan McFaddenChris PfeifferDavid BaldwinKristopher ChambersLisa SangiorgioNakul Deo

Co-investorsHigh AlphaAllos VenturesCapitalGAtreides ManagementFidelity InvestmentsIndex Ventures+6 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

Tim Phillips(Chief Executive Officer & President, Founder)inGene Sheridan(Founder)Trey Roessig(Chief Technology Officer & SVP Engineering)Kurt Redfield(Chief Financial Officer & Treasurer)

Co-investorsCapitalGRaptor GroupSamsung Catalyst FundSocratic PartnersAtreides ManagementFidelity Investments+6 more

San Jose, CA based fabless semiconductor company designing next-generation power solutions.

Co-investorsArcherman CapitalMESH

Bertrand Serlet(Founder)in

Co-investorsBattery VenturesSamsung Catalyst FundSoftBank Vision Fund

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 HealthHealthtech

Mark Sylvester(Chief Financial Officer)Andrew Warner(Vice President, Product)Monica Zarb(Vice President, Business Development)Durand Van Arnem(Vice President, Engineering)Alan Rope(Medical Director)

Co-investorsCanaan PartnersDreamers VCEcho Health VenturesGV (Google Ventures)Illumina VenturesKaiser Permanente Ventures+3 more

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

AI & Machine LearningHardwareSemiconductors

Nigel Toon(Co-founder and Executive Chairman)inNick Bishop(Chief Financial Officer)Sally Doherty(Chief Marketing Officer)John Walsh(Chief Operating Officer)Marcus McElroy(General Manager)Helen Byrne(VP AI Technology)

Co-investorsAhren Innovation CapitalAir Street CapitalBalderton CapitalBMW i VenturesBosch VenturesC4 Ventures+9 more

Greenstone Bio is a biotech company developing new approach methodologies for drug discovery and development, moving away from traditional animal models toward human-centric methods.

BiotechDeep Tech

Co-investorsSamsung Catalyst Fund

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-investorsBlueYard CapitalIOSG VenturesMaven 11RockawayXSamsung NextZero 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

Rajiv Khemani(Co-Founder & Chief Executive Officer)Puneet Agarwal(Co-Founder & Chief Technology Officer)Sumeet Gagneja(Chief Financial Officer)Bruce Fishbein(Chief Development Officer)Phil Mazzara(General Counsel)Stuart Krometis(Vice President, Worldwide Sales and Business Development)

Co-investorsBlackRockCelesta CapitalCelesta CapitalDag VenturesGreylock PartnersPremji Invest+3 more

LuoPay provides a centralized platform for making international payments, requesting quotations, and tracking account balances in real time.

Enterprise SoftwareFintechParis, FR

Hamza Benkirane(CEO)inMorgan Wirtz(CPO)in

Co-investorsEntrepreneur FirstMaC Venture CapitalProtagonistSamos InvestmentsTranspose Platform ManagementAtreides Management+6 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

Adam Carrigan(Founder)inJorge Torres(Founder)in

Co-investorsAngel InvestBerkeley SkyDeck FundMayfield FundMMC VenturesNVenturesOpenOcean+9 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

Sudha Valluru(Founder)inLucas Tsao(Founder)Stephen V(Founder)Zhanibek Datbayev(Founder)

Co-investors.406 VenturesCoalition OperatorsMVP VenturesGeneral Catalyst

Advanced semiconductor metrology and inspection solutions enabling AI infrastructure innovation

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

Deep TechHardwareSemiconductors

Co-investorsInnovation Industries

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

Santa Clara, US

Co-investorsCelesta CapitalMayfield FundMithril Capital ManagementTechnology ImpactWCV

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

Ion Stoica(Co-founder)inRaluca Ada Popa(Co-founder)inRishabh Poddar(Co-founder)inChester Leung(Co-founder)inWenting Zheng(Co-founder)inAaron Fulkerson(CEO)in

Co-investorsIntel CapitalStorm VenturesRace Capital

Co-investorsSamsung Catalyst Fund

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

Banghua Zhu(Founder)in

Co-investorsAccelHOF CapitalVocal VenturesLDV PartnersMediaTekNVentures+1 more

Co-investorsCambium CapitalKoch Disruptive Technologies

Galileo is an AI observability and evaluation platform that lets teams build datasets, create custom evals, and convert them into production guardrails and monitoring for AI agents and LLM applications.

AI & Machine LearningDeveloper ToolsEnterprise Software

Co-investorsFPVDatabricks Ventures

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

AI & Machine LearningCloud ComputingEnterprise SoftwareHardwareSemiconductorsPalo Alto, US

Kunle Olukotun(Co-founder & Chief Technologist)inRodrigo Liang(Co-founder & CEO)in

BoardLip-Bu Tan(Director)in

Co-investorsAtlantic Bridge VenturesBattery VenturesBerkeley FrontierCambium CapitalCelesta CapitalCelesta Capital+12 more

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

Dan Charash(Chairman and Co-Founder)Jonathan Friedmann(Chief Strategy Officer and Co-Founder)Yoav Etsion(Chief Technologist and Co-Founder)Dani Voitsechov(VP R&D and Co-Founder)inItai Incze(Chief Software Architect and Co-Founder)Rafi Shalom(CTO, Chief Architect and Co-Founder)in

Co-investors83NorthHanaco Venture CapitalKoch Disruptive TechnologiesViola Ventures

FintechSan Francisco, US

Co-investorsTechstarsLightspeed Venture PartnersOsage University Partners

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

Sanmi Koyejo(Founder)

Co-investorsOUP (Osage University Partners)

Mountain View, US

Joshua Patterson(Founder)Keith Kraus(Founder)

Co-investorsCoatue Management