/Investor DB

Red Tree Venture — Full Portfolio

27 tracked investments · listed companies and verified rows first

SUTROVAX, INC.sutrovax.comNASDAQ: PCVXMar 2020SEC filingmedium confidence

Vaxcyte is a biotech company developing vaccines to treat or prevent serious infectious diseases.

BiotechDeep TechHealthtechSouth San Francisco, US

Grant Pickering(Chief Executive Officer, Director and Co-Founder)Jeff Fairman(Vice President of Research and Co-Founder)Ashish Khanna(Executive Officer)

BoardTracy Saxton(Director)William Newell(Director)Kurt von Emster(Director)in

Board seatHeath Lukatch· per SEC Form D · $110M raise · filed Apr 2020

Co-investorsAbingworthCTI Life Sciences Fund L.P.Foresite CapitalFrazier Life SciencesJanus Henderson InvestorsLongitude Capital+4 more

Bicara Therapeuticsbicara.comin𝕏NASDAQ: BCAX

Bicara Therapeutics is a clinical-stage biopharmaceutical company developing bifunctional antibody therapies that combine tumor-targeting with immune-modulating payloads to treat solid tumors.

Ivan Hyep(Chief Financial Officer and Treasurer)inLara Meisner(Chief Legal Officer, Compliance Officer and Corporate Secretary)inDavid Raben(Chief Medical Officer)in

Co-investorsAisling CapitalEight Roads VenturesF-Prime CapitalForesite CapitalPremji InvestRA Capital+6 more

Ceribellceribell.comin𝕏NASDAQ: CBLL

Ceribell is a medical technology company that develops products for detecting and monitoring seizures, including EEG-based diagnostic systems.

AI & Machine LearningDigital HealthHealthtechMedical DevicesSunnyvale, US

Josef Parvizi(Director)inXingjuan (Jane) Chao(President, CEO, Co-Founder & Director)inScott Blumberg(Executive Officer)inJoseph Taylor(Director)Raymond Woo(Executive Officer)David Stoffel(Executive Officer)

Co-investorsLongitude CapitalRA CapitalShangBay Capital LLCThe Rise Fund

Contineum Therapeuticscontineum-tx.cominNASDAQ: CTNM

Contineum is a biopharmaceutical company developing small molecule drug candidates to treat inflammatory and fibrotic diseases by modulating critical disease pathways.

BiotechHealthtech

Carmine Stengone(President and Chief Executive Officer)inPeter T. Slover(Chief Financial Officer)inDaniel S. Lorrain(Chief Scientific Officer)inTimothy R. Watkins(Chief Medical Officer and Head of Development)in

Co-investorsHadean VenturesSamsara BioCapitalCasdin CapitalFranklin TempletonJJDCSectoral Asset Management+1 more

Adynxx, Inc.adynxx.comDec 2016SEC filingmedium confidence

BiotechSan Francisco, US

Donald Manning(Executive Officer)Scott Harris(Executive Officer)Julien Mamet(Executive Officer, Director)Rick Orr(Executive Officer, Director)

BoardDennis Podlesak(Director)inEckard Weber(Director)

Board seatHeath Lukatch· per SEC Form D · $16M raise · filed Jan 2017

Co-investorsDomain Associates

CARGO Therapeuticscargo-tx.cominFeb 2023

Launched by Samsara in partnership with CAR T pioneers, advancing a clinically validated CD22 CAR T for lymphoma.

BiotechSan Mateo, US

Gina Chapman(Executive Officer, Director)inAnup Radhakrishnan(Executive Officer)inCassandra Gianna Luca(Director)Jeffrey Walsh(Director)Krishnan Viswanadhan(Director)

BoardAbraham Bassan(Director)

Board seatHeath Lukatch· per SEC Form D

Co-investorsNextech InvestSamsara BioCapitalWellington ManagementAlly Bridge GroupJanus Henderson InvestorsPerceptive Xontogeny Venture+1 more

Engage Therapeuticsengagetherapeutics.com𝕏Oct 2019SEC filingmedium confidence

Company whose formation and launch the LifeSci team supported.

BiotechHealthtechSummit, US

Gregory Mayes(Executive Officer, Director, Promoter)Jouko Isojarvi(Executive Officer)Stephen D. Collins(Director)Warren Lammert(Director)inOrrin Devinsky(Director)

BoardGerry Brunk(Director)in

Board seatHeath Lukatch· per SEC Form D · $12M raise · filed Oct 2019

Co-investorsLifeSci Venture PartnersLumira Ventures

Halo Neurohaloneuroscience.comNov 2017SEC filingmedium confidence

Acquired.

Digital HealthHardwareWellness & FitnessSan Francisco, US

Daniel Chao, M.D., M.S.(Executive Officer, Director)Daniel Chao(Executive Officer, Director)

BoardAndrew Firlik(Director)inPeter Hebert(Director)inAmol Sarva(Director)

Board seatHeath Lukatch· per SEC Form D · $19.8M raise · filed May 2018

Co-investorsJAZZ Venture PartnersKDDI Open Innovation FundLux CapitalStartXTPGXfund

magnusmagnusmed.comin𝕏May 2025SEC filingmedium confidence

Magnus Medical develops SAINT, an FDA-cleared, accelerated form of TMS (transcranial magnetic stimulation) therapy that uses precision neuromodulation to treat Major Depressive Disorder, including treatment-resistant depression, over a 5-day course.

BiotechDigital HealthMedical DevicesMental HealthBurlingame, US

Nolan Williams(Director)Christian Gormsen(Executive Officer, Director)inVikram Lamba(Executive Officer)in

BoardXingjuan Chao(Director)inAndrew Firlik(Director)in

Board seatHeath Lukatch· per SEC Form D · $77M raise · filed May 2026

Co-investorsDolby Family VenturesJAZZ Venture Partners

Satsuma Pharmaceuticalssatsumarx.comDec 2016SEC filingmedium confidence

Satsuma Pharmaceuticals develops therapeutics for the acute treatment of migraine, including an approved dihydroergotamine nasal powder product (Atzumi/STS101).

BiotechHealthtechMedical DevicesSouth San Francisco, US

John Kollins(Executive Officer, Director)Tadayoshi Iwashima(Executive Officer)Thomas B. King(President and Board Director)inRob Janosky(Chief Commercial Officer)Tom O'Neil(Chief Financial Officer)inDavid Prichard(Chief Operating Officer)

Board seatHeath Lukatch· per SEC Form D · $12.3M raise · filed Feb 2018

Co-investorsOUP (Osage University Partners)Vivo CapitalWellington ManagementLumira VenturesRA CapitalSBI Investment

ViaCyteviacyte.comNov 2018SEC filingmedium confidence

Transforming the lives of patients through a functional cure for Type 1 Diabetes

BiotechSan Diego, US

Brittany Bradrick(Executive Officer)Anne Sandan(Executive Officer)Elizabeth Bui(Executive Officer)Steve White(Executive Officer)Howard Foyt(Executive Officer)inKevin D'Amour(Executive Officer)in

Board seatHeath Lukatch· per SEC Form D · $90M raise · filed Dec 2018

Co-investorsArtis VenturesATEL VenturesBain Capital Life SciencesRA CapitalSanderling VenturesThe Vertical Group+1 more

CatalYmcatalym.cominJul 2024 · $150M

CatalYm develops immunotherapies for solid tumors by neutralizing GDF-15, a factor cancer cells use to suppress immune responses and resist treatment.

BiotechDeep TechHealthtechMunich, DE

Jörg Wischhusen(Scientific Co-founder)Scott Clarke(Chief Executive Officer)inPeter Garcia(Chief Financial Officer)Sujata Rao(Chief Medical Officer)inStefan Ries(Chief Scientific Officer and Head of Munich Site)inAndrea Goddard(Chief Technical Officer)in

Co-investorsJeito CapitalBioqube VenturesForbionBayern KapitalBioGeneration VenturesCanaan Partners+2 more

Engrail Therapeuticsengrail.comin

Engrail Therapeutics is a clinical-stage pharmaceutical company developing precision-targeted therapeutics for neupropsychiatric and neurodevelopmental disorders.

BiotechDigital HealthMedical DevicesSan Diego, US

Stephen(Co-founder, EVP Research & Development and Chief Development Officer)Paul Cayer(Chief Financial Officer)inVikram(President and Chief Executive Officer)Kimberly(Chief Scientific Officer)Quentin(Chief Technical Officer)

Co-investorsForesite CapitalLongwood FundNorwest Venture PartnersPivotal Life SciencesRiverVest Venture PartnersYsios Capital+4 more

Kivu Biosciencekivubioscience.comin

Kivu Bioscience develops antibody-drug conjugate (ADC) therapeutics in clinical development, advancing a pipeline of cancer treatments through strategic partnerships and collaborations.

BiotechDeep TechHealthtechMedical Devices

Mohit Trikha(CEO)inSophia Randolph(Chief Medical Officer)in

Co-investorsBioGeneration VenturesBOMGimvHealthCapM VenturesNovo Holdings

Rondo Therapeuticsrondotx.cominSeries A · Mar 2022 · $67M

Rondo Therapeutics is an immuno-oncology biopharmaceutical company developing bispecific/multispecific antibody therapeutics designed for tumor-selective targeting to treat solid tumors while sparing healthy tissue.

BiotechHealthtech

Shelley Force Aldred(Co-Founder & Chief Executive Officer)inNathan Trinklein(Co-Founder, President & CSO)inKatherine(Chief Development Officer)Thomas(Chief Medical Officer)

Co-investorsCanaan PartnersDementia Discovery FundSV Health InvestorsJohnson & Johnson Innovation – JJDCNovo Holdings

RQ Biorqbiotechnology.comSeries A · Jun 2026 · $110M

RQ Bio discovers and develops long-acting monoclonal antibodies (LAAbs) targeting seasonal influenza to provide protection against severe viral disease.

BiotechHealthtech

Co-investorsFrazier Life SciencesLifeArc VenturesOxford Science EnterprisesWellington ManagementEQT Life SciencesForbion+1 more

SynOx Therapeutics Ltdsynoxtherapeutics.comin𝕏Series B · Apr 2024 · $75M

SynOx Therapeutics develops emactuzumab, a monoclonal antibody treatment for tenosynovial giant cell tumours (TGCT) and macrophage-mediated diseases.

BiotechHealthtechMedical Devices

Ray Barlow(Chief Executive Officer)in

Co-investorsHealthCapBioqube VenturesForbionGimvMedicxi

Other

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

Goldilocks TherapeuticsViewPoint TherapeuticsAltesaBiographEBVioEnrosa TherapeuticsExcellergyExcellergy TherapeuticsInversion TherapeuticsPhotinia Biosciences

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.