/Investor DB

Westlake Village BioPartners — Full Portfolio

36 tracked investments · listed companies and verified rows first

Sagimet Biosciencessagimet.cominNASDAQ: SGMTJan 2021SEC filingmedium confidence

Sagimet is a clinical-stage biopharmaceutical company developing therapies targeting fatty acid synthase (FASN) for metabolic diseases and oncology.

BiotechDigital HealthHealthtechMenlo Park, US

Rekha Hemrajani(Executive Officer)inMerdad Parsey(Executive Officer, Director)inDavid Happel(Chief Executive Officer & Director)Andreas Grauer(Chief Medical Officer)inThierry Chauche(Chief Financial Officer)inMarie O'Farrell(Chief Scientific Officer)in

Board seatBeth Seidenberg· per SEC Form D · $80M raise · filed Jan 2021

Co-investorsAltium CapitalHM Venture PartnersKleiner PerkinsNew Enterprise Associates (NEA)BAM ElevateBiotechnology Value Fund+1 more

Alumisalumis.comin𝕏NASDAQ: ALMS

Alumis is a clinical-stage biopharmaceutical company developing a late-stage portfolio of targeted therapies for immune-mediated diseases.

AI & Machine LearningBiotechDigital HealthHealthtechLongevitySouth San Francisco, US

Martin Babler(President, Chief Executive Officer and Chairman of the Board)inMark Bradley(Chief Development Officer)inKolbot By(SVP, Head of Technical Operations)inJack Danilkowicz(Chief Commercial Officer)inJörn Drappa(Chief Medical Officer)inDavid M Goldstein(Chief Scientific Officer)in

Co-investorsForesite CapitalGeneral AtlanticHBM Healthcare InvestmentsHBM PartnersNextech InvestOrbiMed+4 more

Kyverna Therapeuticskyvernatx.cominNASDAQ: KYTXSeries A · Jan 2020 · $25M

Kyverna is a clinical-stage biopharmaceutical company developing CAR T-cell therapies to treat autoimmune diseases through B cell depletion and immune system reset.

BiotechEmeryville, US

Warner Biddle(Chief Executive Officer)inBrian Kotzin(Director)Ian Clark(Director)Ryan Jones(Executive Officer)Karen Walker(Executive Officer)Peter Maag(Executive Officer, Director)in

Co-investorsBain Capital Life SciencesVida VenturesGilead SciencesInsight PartnersKleiner PerkinsNorthpond Ventures+3 more

Capsidacapsida.comin𝕏✓ verified

Capsida Biotherapeutics develops engineered gene therapies for rare and common neurological and ocular diseases using an AAV capsid platform that enables improved brain and retinal delivery compared to naturally occurring capsids.

BiotechDeep TechDigital HealthMedical Devices

Viviana GradinaruNick Goeden, Ph.D.(Co-founder)Nicholas Flytzanis(Co-founder)in

Co-investorsVersant Ventures

Arpeggio Bioarpeggiobio.comin𝕏Series A · Nov 2025

Arpeggio Bio develops pharmaceutical drugs that target transcription factors using artificial intelligence and RNA-sequencing technology, with lead programs in development for melanoma treatment and rare disease applications.

BiotechHealthtechBoulder, US

Joey Azofeifa(Founder)inLaura Norris(Executive Officer, Director)inTimothy Read(Executive Officer, Director)Eric Martin(Executive Officer)in

BoardAmit Mehta(Director)

Board seatDavid AllisonMira Chaurushiya· per SEC Form D

Co-investorsATEM Capital FundFifty YearsFundersClubTau VenturesvenBio PartnersY Combinator+9 more

Arsenal Biosciencesarsenalbio.comSep 2024

Arsenal Biosciences is a clinical-stage company developing programmable cell therapies to treat solid tumors.

BiotechHealthtechMedical DevicesSouth San Francisco, US

Ken Drazan(Founder)James Ahlers(Executive Officer)Irene Pleasure(Executive Officer)Margaret Nibbi(Executive Officer)Alexander Marson(Founder)Kole Roybal(Founder)

Board seatBeth Seidenberg· per SEC Form D

Co-investorsARCH Venture PartnersHitachi VenturesKleiner PerkinsLuma GroupOUP (Osage University Partners)SoftBank Vision Fund+4 more

Impel Neuropharmaimpelneuropharma.comin𝕏Apr 2021SEC filingmedium confidence

Impel Pharmaceuticals develops therapies for diseases with high unmet medical needs by pairing established drugs with its proprietary upper-nasal drug delivery technology.

BiotechHealthtechMedical DevicesSeattle, US

John D. Hoekman(Executive Officer, Director)in

BoardMichael Hite(Director)Stewart Parker(Director)

Board seatDavid Allison· per SEC Form D · $1.9M raise · filed Apr 2021

Co-investors5AM VenturesB Capital GroupvenBio Global StrategicvenBio Partners

Latigo Biolatigobio.comSeries A · Feb 2025 · $140M

Latigo Biotherapeutics is a clinical-stage biopharmaceutical company developing non-opioid pain medicines designed to stop pain transmission without addiction risk.

BiotechHealthtechMedical DevicesThousand Oaks, US

Nima Farzan(Executive Officer, Director)Tim Lugo(Executive Officer)Sean Harper Desmond Padhi(Founder)

BoardJim Tananbaum(Director)inDeborah Palestrant(Director)in

Board seatBeth Seidenberg· per SEC Form D

Co-investors5AM VenturesAccess BiotechnologyAscenta CapitalForesite CapitalKern Capital, LLCSanofi Ventures

Neurogastrxneurogastrx.cominSeries A · Jul 2021 · $45M

Neurogastrx is a biopharmaceutical company developing therapies for patients with gastrointestinal disorders.

BiotechHealthtechWoburn, US

Cyril De Colle(Founder)inJAMES DETORE(Executive Officer)JAMES O'MARA(Executive Officer, Director)inPAUL ROGERS(Executive Officer)in

BoardKLAUS VEITINGER(Director)in

Board seatDavid Allison· per SEC Form D

Co-investors5AM VenturesOrbiMedSamsara BioCapitalvenBio PartnersVivo CapitalRTW Investments L.P.+1 more

Soteria Biotherapeutics, Inc.soteriabiotherapeutics.cominSeries A · May 2021 · $42M

Soteria Biotherapeutics develops protein-based biotherapeutics and small molecules using its LITE Switch technology platform for drug discovery and development across oncology, immune-oncology, and inflammatory disease indications.

BiotechDeep TechHealthtechMedical DevicesWellness & FitnessSan Francisco, US

Jim Wells(Co-founder, Scientific Advisory Board Chair)Kristine M Ball(Executive Officer, Director)inZachary Hill(Executive Officer, Director)in

BoardNisha Marathe(Director)Keno Gutierrez(Director)in

Board seatDavid Allison· per SEC Form D

Co-investors5AM VenturesNovartis Venture FundRoche Venture FundVersant VenturesBioGeneration Ventures

Star Therapeuticsstar-therapeutics.comOct 2025

Star Therapeutics develops treatments aimed at addressing real-world patient needs.

BiotechSouth San Francisco, US

Adam Rosenthal(Founder & CEO)inNancy Stagliano(Director)inMichelle Carpenter(Executive Officer)Sandip Panicker(Executive Officer)Scott Robertson(Executive Officer)inGary Patou(Executive Officer)in

Board seatBeth Seidenberg· per SEC Form D

Co-investorsFrazier Life SciencesOrbiMedRA CapitalSanofi VenturesSofinnova VenturesViking Global+11 more

3T Biosciences3tbiosciences.comin𝕏

3T Biosciences develops TCR-based immunotherapies for cancer using a proprietary platform that combines machine-learning algorithms with immunological research to identify and validate T cell receptor targets.

AI & Machine LearningBiotechHealthtechMedical DevicesSouth San Francisco, US

K. Christopher Garcia(Co-Founder, Chairman of the Scientific Advisory Board)Marvin Gee(Co-Founder, Chief Research Officer)inStefan Scherer, MD, PhD(Chief Executive Officer & President)Leah Sibener, PhD(3T Co-Founder and Scientific Advisor)

Co-investorsAsset Management CompanyCollaborative FundCRV (Charles River Ventures)Menlo VenturesOS FundStarlight Ventures+1 more

Acelyrinacelyrin.comin𝕏Series A · Dec 2020 · $8Macquired by Alumis

AI & Machine LearningBiotechDigital HealthHealthtech

Co-investorsDecheng CapitalSamsara BioCapitalvenBio PartnersAccess IndustriesKleiner Perkins

Akamis Bioakamisbio.comin𝕏Jan 2023

Akamis Bio develops oncolytic immunotherapies for colorectal cancer treatment, aiming to offer alternatives to surgery that preserve patient function and quality of life.

BiotechDigital HealthHealthtechMedical DevicesCambridge, MA, US

Howard Davis, PhD(Chief Executive Officer)

Co-investorsARCH Venture PartnersSR One Capital ManagementIP GroupLundbeckfonden Ventures

AllRock Bioallrockbio.cominSeries A · Sep 2025 · $50M

AllRock Bio is a drug development company advancing novel therapies for pulmonary hypertension, interstitial lung diseases, and other fibrotic conditions.

BiotechNatick, US

Catherine Pearce(CEO & Founder)inDHSc(Founder)Justin R Thompson(Founder)in

Co-investorsVersant VenturesWestlake BioPartners

Borealis Biosciencesborealisbio.cominSeries A · Dec 2024 · $30M

Borealis develops RNA medicines to treat kidney diseases.

BiotechDigital Health

Co-investorsVersant Ventures

Electraelectra-therapeutics.cominOct 2025

Electra Therapeutics develops antibody therapeutics targeting Signal Regulatory Protein (SIRP) for immunological diseases and cancer treatment.

BiotechHealthtechMedical DevicesSouth San Francisco, US

Adam Rosenthal(Co-founder and former CEO; Director)inQuehuong (Kathy) Dong, Pharm.D.(Executive Officer, Director)Kathy Dong(President, Chief Executive Officer and Director)in

BoardBeth Seidenberg, M.D.(Director)Thomas Geninatti, Ph.D.(Director)Carl Gordon, Ph.D.(Director)

Co-investorsHBM Healthcare InvestmentsHBM PartnersOrbiMedRA CapitalKleiner PerkinsNVIDIA

Kate Therapeuticskatetherapeutics.comin𝕏Jun 2023

A patient-focused biotechnology company developing adeno-associated virus (AAV)-based gene therapies to treat genetically defined muscle and heart diseases.

BiotechSan Diego, US

Kevin Forrest, Ph.D.(Executive Officer, Director)

BoardClare Ozawa, Ph.D.(Director)Beth Seidenberg, M.D.(Director)

Co-investorsOUP (Osage University Partners)Kleiner PerkinsVersant Ventures

MAGNETIC INSIGHT, INCmagneticinsight.comSeries A · Dec 2018 · $13M

Magnetic Particle Imaging (MPI) is an imaging technology that detects iron oxide nanoparticle tracers using time-varying magnetic fields to create medical images with high contrast and sensitivity.

Deep TechHealthtechMedical Devices

Co-investors5AM VenturesAimTop VenturesAlumni VenturesCloudStone CapitalEvolution VC PartnersGaingels+4 more

Neuron23neuron23.cominMar 2022 · $100M

Neuron23 is a biotech company using data science, human genetics, and functional genomics to develop precision medicines and companion diagnostics for neurodegenerative diseases, starting with an LRRK2 program for Parkinson's disease.

AI & Machine LearningBiotechDeep TechDigital HealthSouth San Francisco, US

Nancy Stagliano(CEO)in

Co-investorsHBM Healthcare InvestmentsHBM PartnersKleiner PerkinsSoftBank GroupSoftBank Vision FundACORN BIOVENTURES+2 more

Oorja Biooorjabio.comin

Oorja Bio is a biotechnology company developing therapies focused on fibrotic disease, aiming to repair, reverse, and remodel fibrosis.

BiotechHealthtech

Sujay Kango(Chief Executive Officer & Founder)inJanethe Pena(Chief Medical Officer & Founder)inConnie Coulomb(Chief Business Officer & Founder)in

Co-investorsAndreessen HorowitzKleiner PerkinsWestlake BioPartners

Qumisqumis.aiin𝕏Pre-Seed · Jan 2025 · $2M

Qumis provides an AI platform built for insurance coverage attorneys and law firms that analyzes complex insurance policies and programs, producing cited, confidence-scored comparisons, checklists, opinions, and client-ready deliverables.

AI & Machine LearningInsurTechLegalTechChicago, US

Shivam Sinha(Executive Officer, Director)Dan Schuleman(Executive Officer, Director)

BoardBrian McLoughlin(Director)inNeenah Jain(Director)in

Co-investorsAlumni VenturesAmerican Family VenturesArmory Square VenturesMTECH CAPITAL

Radionetics Oncologyradioneticsoncology.comSeed · Oct 2021 · $30M

BiotechMenlo Park, US

Brett Ewald(Executive Officer)inUmesh Gangadharmath(Executive Officer)inIstvan Molnar(Executive Officer)inYunfei Zhu(Executive Officer)Ana Kusnetzow(Executive Officer)inScott Struthers(Director)

Co-investorsDCVC (Data Collective)Frazier Life Sciences5AM VenturesDCVC BioFrazier Healthcare Partners

Recludixrecludixpharma.comin

Recludix Pharma operates a drug discovery platform that combines custom DNA-encoded libraries (DELs), massively parallel structure-activity relationship analysis, structure-based design, and a family-wide SH2 domain screening panel.

AI & Machine LearningBiotechDeep TechHealthtechSan Diego, US

Nancy Whiting(CEO)in

Co-investorsAccess BiotechnologyNew Enterprise Associates (NEA)

Upriseuprise.usinPre-Seed · Jul 2022 · $1M

Uprise builds AI-based financial tools aimed at small business owners, addressing their combined business and personal financial needs.

AI & Machine LearningEnterprise SoftwareFintechSaaSSan Francisco, US

Nanthakumar Muthusamy(Founder)inChris Goodmacher(Co-Founder)inJessica Chen Riolfi(Co-Founder & CEO)in

Co-investorsBlank VenturesContraryGraham Walker VentureOxonian VenturesSerac VenturesDash Fund+2 more

Vedana Therapeutics, Inc.vedanatx.comSeries A · Jun 2026 · $46M

Vedana Therapeutics develops next-generation biologic medicines for migraine prevention, targeting PACAP and CGRP-independent pathways to address unmet needs in patients inadequately controlled by current therapies.

BiotechHealthtechMedical Devices

Co-investorsCanaan Partners

Other

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

CinCor PharmaExpansion TherapeuticsLatigoLatigo BiotherapeuticsMeanwhileRecludix PharmaStarTmunityVegaVega Therapeutics

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.