🦊/Investors

Samsara BioCapital

Venture capitaloperating company · company profile

Palo Alto · Seed–Late Stage · 7 people tracked

Also known as SAMSARA BIOCAPITAL, LLC

Find your way into Samsara BioCapital

2,786 people in our graph share verified history with the Samsara BioCapital team — schools, employers, funds. One of them is your warm intro.

Adam Valkinunlockedknows Mike Dybbs · together at Harvard University (overlapped)
×4knows the team · via Massachusetts Institute of Technology
×4knows the team · via Stanford University
×3knows the team · via University of California, Berkeley
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Investment thesis

Samsara BioCapital invests in the creation of transformative therapeutics for patients. The firm assembles a team of scientists, physicians, drug developers, and business leaders with hundreds of years of combined experience to back the next generation of therapeutic breakthroughs. Its ethos draws inspiration from Darwin's ideas on evolution and the branching Tree of Life, emphasizing scientific rigor and the potential for new therapeutic ideas to grow and diverge over time.

Source: firm website, verified Sep 15, 2026.

Stage
Seed–Late Stage
HQ
Palo Alto, CA, US
Instruments
Equity
Founded
2017
Last 12 months
6 investments
AUM
$2.2B
Tracked investments
105
Unicorns
4
IPOs
19
Acquisitions
7

Team · 7 people

from public directories

What they invest in

from 79 of 105 portfolio companies

Biotech ×74Healthtech ×44Medical Devices ×32Deep Tech ×19Digital Health ×12AI & Machine Learning ×7Longevity ×2Cleantech ×1

HQs:United States×59Australia×1Canada×1China×1France×1

Who they back

founder profiles across 26 portfolio companies
42%
solo founders
11 of 26 mapped founding teams
45%
repeat founders
of 22 founders with career history
~4 yrs
old at investment
median across 18 dated deals

Founding team size:solo founder×112 founders×83 founders×54+ founders×2

Where their founders studiedfrom 19 founders with education data

University of Science and Technology of China ×3Brown University ×2California State University, Long Beach ×2UC San Diego ×2University of California, Berkeley ×2

What their founders studiedfrom 18 founders with field-of-study data

Life Sciences ×8Chemistry ×5Medicine ×3Engineering ×2

Where their founders worked beforefrom 22 founders with career history

Receptos ×3Amgen ×2Avalon BioVentures ×2Broad Institute of MIT and Harvard ×2ClarVista Medical ×2

13 founders hold a PhD · 2 hold an MBA (of 21 with degree data) · backed the same founder in 2+ companies: 2 founders

Investments · 105 tracked

founders shown can be your intro path

By year:2026 · 42025 · 62024 · 72023 · 52022 · 52021 · 62020 · 72019 · 32018 · 22017 · 42015 · 150 dated

aTYR PHARMAatyrpharma.comin𝕏NASDAQ: ATYRAug 2017SEC filingmedium confidence

aTyr is a clinical-stage biotechnology company developing therapies derived from tRNA synthetase biology to treat fibrosis and inflammation, with its lead candidate efzofitimod in clinical trials for interstitial lung disease.

BiotechHealthtechMedical DevicesSan Diego, US

Paul Schimmel(Non-Management Director)John D. Mendlein(Executive Officer, Director)David Weiner(Executive Officer)inFrederic Chereau(Executive Officer)

BoardAmir Nashat(Non-Management Director)inAkkaraju Srinivas(Non-Management Director)

Board seatSrini Akkaraju· per SEC Form D · $45.8M raise · filed Sep 2017

Co-investorsCardinal PartnersEcoR1 CapitalSofinnova VenturesDomain AssociatesDomain PartnersPolaris Partners+1 more

Mineralys Therapeuticsmineralystx.comin𝕏NASDAQ: MLYSJun 2022

Mineralys Therapeutics is a clinical-stage pharmaceutical company developing lorundrostat, a treatment targeting dysregulated aldosterone.

BiotechHealthtechRadnor, US

Eric Warren(Chief Commercial Officer)inAlex Gold(Chief Medical Officer)inAdam Levy(Executive Officer)Alexander Asam(Director)

BoardBrian Taylor Slingsby(Founder & former CEO / Board Director)Olivier Litzka(Director)in

Board seatSrinivas Akkaraju· per SEC Form D

Co-investorsAndera PartnersSR One Capital ManagementYsios CapitalAdams Street PartnersBoulder VenturesCatalys Pacific+1 more

Neurogeneneurogene.comin𝕏NASDAQ: NGNEDec 2020

Neurogene develops gene therapy treatments for rare neurological diseases.

BiotechDeep TechDigital HealthLongevityMedical DevicesNew York, US

Rachel McMinn(Founder and Chief Executive Officer)inRachel McMinn, Ph.D.(Founder and Chief Executive Officer)

BoardCory Freedland(Director)inStephen Biggar(Director)

Board seatRobert Baffi· per SEC Form D

Co-investorsEcoR1 CapitalCasdin CapitalREDMILERTW Investments L.P.William Blair

Nkarta, Inc.nkartatx.cominNASDAQ: NKTXAug 2019

Nkarta is a biotech company developing allogeneic CAR NK cell therapies for autoimmune diseases, aiming to offer safer and more accessible alternatives to autologous CAR-T treatments.

BiotechHealthtechSouth San Francisco, US

Paul Hastings(Executive Officer, Director)inPaul H.inMatthew Plunkett(Executive Officer)inPaul J. Hastings(Chief Executive Officer)in

BoardJill Carroll(Director)in

Board seatMichael Dybbs· per SEC Form D

Co-investorsNew Enterprise Associates (NEA)RA CapitalSR One Capital ManagementAmgen VenturesLogosNorwest Venture Partners+1 more

Sutrobiosutrobio.comin𝕏NASDAQ: STROMay 2018 · $85M

Sutro is a biotech company developing a cell-free protein synthesis platform for the design and manufacturing of complex biologics, particularly cancer therapies and antibody-drug conjugates.

BiotechDeep TechHealthtechMedical DevicesSouth San Francisco, US

William J. Newell(Executive Officer, Director)Jane Chung(Chief Executive Officer)inHans-Peter Gerber(Chief Scientific Officer)inDavid Pauling(Chief Administrative Officer and General Counsel)inJonathan Fawcett(VP, Head of Clinical Development)inDevendra Luhar(SVP, Technical Operations)in

Board seatMichael Bryan Dybbs· per SEC Form D

Co-investorsOwl CapitalSolasta VenturesSV Health InvestorsVida Ventures

Vtvtherapeuticsvtvtherapeutics.comin𝕏NASDAQ: VTVTFeb 2024

vTv Therapeutics is a biopharmaceutical company developing oral, small molecule drugs for diabetes and other chronic diseases.

BiotechDigital HealthMedical DevicesHigh Point, US

Rudy Howard(Executive Officer)inStephen Holcombe(Executive Officer)inLarry Altstiel(Executive Officer)Jeffrey Kindler(Executive Officer, Director)Paul Sekhri(Chairman, President, and Chief Executive Officer)inMichael Tung(Executive Vice President and Chief Financial Officer)in

Board seatSrinivas Akkaraju· per SEC Form D

Co-investorsJDRF T1D Fund

Agios Pharmaceuticalsagios.comin𝕏NASDAQ: AGIO

Agios is a biopharmaceutical company developing therapies for rare diseases, with a primary focus on hemolytic anemias including pyruvate kinase deficiency, thalassemia, and sickle cell disease.

BiotechHealthtechMedical Devices

Lewis C. Cantley, Ph.D.(Founder)Tak Mak, Ph.D.(Founder)Craig B. Thompson, M.D.(Founder)Brian Goff(Chief Executive Officer)in

Co-investorsARCH Venture PartnersThird Rock VenturesFlagship Ventures

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 CapitalNextech InvestOrbiMedSR One Capital ManagementvenBio PartnersWestlake Village BioPartners+1 more

Bolt Biotherapeuticsboltbio.comin𝕏NASDAQ: BOLT

Bolt Biotherapeutics is a clinical-stage biotech company developing novel immunotherapies that leverage innate immune system mechanisms to treat cancer.

BiotechHealthtechMedical DevicesSan Francisco, US

Dr. Edgar G. Engleman(Founder)

Co-investorsPfizer Venture InvestmentsRA CapitalSofinnova VenturesVivo CapitalNan Fung Life SciencesNovo Holdings+3 more

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)inCarmine N. Stengone(President, Chief Executive Officer and Director)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 VenturesRed Tree VentureCasdin CapitalFranklin TempletonJJDCSectoral Asset Management+1 more

Gossamer Biogossamerbio.comin𝕏NASDAQ: GOSS

Gossamer Bio is a clinical-stage biopharmaceutical company developing seralutinib, an investigational drug candidate for treating pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease.

BiotechDigital HealthMedical DevicesSan Diego, US

Faheem Hasnain(Executive Officer, Director)inChristian Waage(Executive Officer)inSheila Gujrathi, MD(Founder)inBryan Giraudo(Executive Officer)Laura Carter, Ph.D.(Executive Officer)Robert Smith(Executive Officer)

Co-investorsARCH Venture PartnersBay City CapitalEcoR1 CapitalFoothill VenturesNew Enterprise Associates (NEA)Omega Funds

Kalaris Therapeutics, Inc.kalaristx.comNASDAQ: KLRS

Kalaris Therapeutics is a clinical-stage biopharmaceutical company developing treatments for prevalent retinal diseases such as wet AMD, diabetic eye disease, and retinal vein occlusion.

BiotechHealthtechBerkeley Heights, US

Srinivas Akkaraju(Director & Co-founder)Mike Dybbs(Director & Co-founder)inNapoleone Ferrara(Director & Co-Founder)Andrew Oxtoby(CEO & Director)inMatthew Feinsod(CMO)Liisa Bayko(CFO)

Co-investorsInvusRTW Investments L.P.

LENZ Therapeutics, Inc.NASDAQ: LENZMar 2021

Late-stage clinical company developing innovative ophthalmic pharmaceutical products that improve vision.

BiotechSouth San Francisco, US

Josh Lehrer(Executive Officer, Director)Katherine Stultz(Executive Officer)inPhilip Gutry(Executive Officer)Evert Schimmelpennink(Chief Executive Officer, President, Secretary, and Director)Daniel Chevallard(Chief Financial Officer)Shawn Olsson(Chief Commercial Officer)in

Co-investorsVersant Ventures

Palvellatxpalvellatx.comin𝕏NASDAQ: PVLA

Palvella Therapeutics develops QTORIN™, a targeted topical formulation of rapamycin designed to treat rare skin diseases including microcystic lymphatic malformations and cutaneous venous malformations by delivering the active ingredient to the dermal layers with minimal systemic absorption.

BiotechDigital HealthHealthtechMedical DevicesWayne, US

Wesley H. Kaupinen(President, Chief Executive Officer and Director)Matthew E. Korenberg(Chief Financial Officer, Treasurer and Secretary)inKathleen Goin(Chief Operating Officer)inJeffrey Martini(Chief Scientific Officer)inAshley Kline(Chief Commercial Officer)in

Co-investorsBioAdvanceFrazier Life SciencesAgent Capital

Prime Medicineprimemedicine.comin𝕏NASDAQ: PRME

Prime Medicine develops one-time genetic therapies using Prime Editing, a gene editing technology developed in David R.

BiotechDeep TechHealthtechMedical Devices

Andrew Anzalone(Co-founder and Head of Platform)inDavid Liu(Co-founder)inAllan Reine(Chief Executive Officer)inMohammed Asmal(Chief Medical Officer)inAnn Lee(Chief Technical Officer)inSvetlana Makhni(Chief Financial Officer)in

Co-investorsARCH Venture PartnersGV (Google Ventures)Newpath PartnersF-Prime CapitalOUP (Osage University Partners)Arrive

Scholar Rock Holding Corp, Inc.NASDAQ: SRRKDec 2017

Clinical-stage biopharmaceutical company focused on discovery and development of innovative medicines for serious diseases by targeting the Transforming Growth Factor Beta pathway.

BiotechCambridge, US

Nagesh Mahanthappa(Executive Officer, Director)Timothy Springer(Director)Yung H. Chyung(Executive Officer)Elan Z. Ezickson(Executive Officer)Akshay Vaishnaw(President of Research & Development and Director)R. Keith Woods(Chief Operating Officer)in

Co-investorsARCH VentureARCH Venture PartnersEcoR1 CapitalPolaris Partners

Spyglass Pharmaspyglasspharma.cominNASDAQ: SGP

SpyGlass Pharma develops a sustained drug delivery platform for treating chronic ophthalmic diseases such as glaucoma, integrating drugs, procedures, and devices for long-term disease control and vision preservation.

BiotechHealthtechMedical DevicesAliso Viejo, US

Glenn Sussman(Co-founder)inMalik Y. Kahook(Co-founder)inPatrick Mooney(CEO)

BoardJake Merrill(Director)Geoff Pardo(Director)Bilal Khan(Director)

Co-investorsNew Enterprise Associates (NEA)RA CapitalSands Capital VenturesVensana Capital

Upstream Bioupstreambio.comin𝕏NASDAQ: UPB

Upstream Bio is a biotechnology company that sponsors clinical trials to develop products under investigation.

BiotechHealthtechWaltham, US

Rand Sutherland(Chief Executive Officer)inAllison Ambrose(General Counsel)inAaron Deykin(Chief Medical Officer & Head of R&D)inMike Gray(Chief Financial Officer and Chief Operating Officer)Adam Houghton(Chief Business Officer)inStacy Price(Chief Technology Officer)in

Co-investorsOrbiMedAccess IndustriesAccess BiotechnologyBain Capital Life SciencesDecheng CapitalTCG Crossover+2 more

Abcuroabcuro.comFeb 2025✓ verified

Abcuro develops therapies that target highly cytotoxic T cells for autoimmune diseases, including its lead candidate ulviprubart for inclusion body myositis.

BiotechHealthtechNewton, US

Steven A. Greenberg(Chief Scientific Advisor & Co-Founder)Steven A. Greenberg, MD(Chief Scientific Advisor & Co-Founder)John Alexander Martin(Executive Officer, Director)Stefano Gulla(Executive Officer)Evan Thompson(Executive Officer)David de Graaf(Executive Officer, Director)

Board seatMichael Dybbs· per SEC Form D

Co-investorsBain Capital Life SciencesNew Enterprise Associates (NEA)RA CapitalSanofi VenturesMass General Brigham VenturesREDMILE+9 more

Enlaza Therapeuticsenlazatx.cominAug 2025✓ verified

Enlaza Therapeutics develops covalent protein therapeutics using its War-Lock technology, which incorporates proprietary unnatural amino acids into protein drugs so they form irreversible covalent bonds with disease-related targets.

BiotechDeep TechSan Diego, US

Sergio Duron(Co-Founder & Chief Executive Officer)inSanford Madigan(Co-Founder, President & Chief Business Officer)inAnaleah Heidt(Chief Scientific Officer)in

BoardJay Lichter(Director)inTighe Reardon(Executive Officer)

Board seatMarcos Milla· per SEC Form D

Co-investorsFrazier Life SciencesLightspeed Venture PartnersAvalon BioVenturesPappas CapitalPfizer Venture InvestmentsJ.P. Morgan Asset Management+1 more

OrsoBioorsobio.comin𝕏Oct 2023 · $60M✓ verified

OrsoBio develops therapies to restore energy homeostasis in patients with severe metabolic disorders, drawing on biological research including human liver organoids and insights from metabolic pathways.

BiotechDeep TechMedical DevicesMenlo Park, US

Mani Subramanian(Executive Officer, Director)inGangadhara Ganapati(Executive Officer, Director)Dr. SubramanianDr. Myers

BoardMatthew Young(Director)in

Board seatSrinivas Akkaraju· per SEC Form D

Co-investorsAscenta CapitalLongitude CapitalF-Prime Capital

Alpheus Medicalalpheusmedical.comin✓ verified

Alpheus is a clinical-stage biotechnology company developing Porphyrin Metabolite Activation (PoMA™), a drug-led oncology approach designed to treat glioblastoma using proprietary low-intensity ultrasound to activate tumor-localized porphyrin metabolites.

BiotechHealthtechMedical DevicesChanhassen, US

Jeremy Ling(Executive Officer)inSteve Weiner(Executive Officer)Vijay Agarwal(Founder, President and CEO)inWilliam Davis(Executive Officer, Director)

BoardKlaus Veitinger(Director)inImran Eba(Executive Officer)in

Co-investorsOrbiMedHealthQuest CapitalSV Health InvestorsAction Potential Venture Capital Ltd.

Dewpoint Therapeuticsdewpointx.comin𝕏Feb 2022✓ verified

Dewpoint Therapeutics develops condensate-modulating drugs by using an integrated platform that maps, measures, and modulates biomolecular condensates to identify druggable targets and disease mechanisms.

AI & Machine LearningBiotechDeep TechBoston, US

Richard Young, Ph.D.(Director)Anthony Hyman, Ph.D.(Director)Tony Hyman(Scientific Co-founder)Rick Young(Scientific Co-founder)Elisabeth Leiderman(Executive Officer)inAmeet Nathwani, M.D.(Executive Officer, Director)in

Co-investorsARCH Venture PartnersEcoR1 Capital6 Dimensions CapitalGeneral CatalystInnovation EndeavorsLeaps by Bayer+5 more

Linkcelltxlinkcelltx.comin✓ verified

Link Cell Therapies is a biotechnology company developing logic-gate LINK CAR-T cell therapies aimed at treating solid and liquid tumors.

BiotechHealthtech

Robbie MajznerCrystal MackallJerry Cacia(Chief Operating Officer)inMark Wallet(Chief Scientific Officer)in

Co-investorsWing

Lumenlumen.bioin𝕏✓ verified

Lumen develops orally delivered antibody drugs using engineered spirulina, a patented biologic platform that reduces manufacturing costs and timelines compared to conventional biologics.

BiotechDeep TechHealthtechMedical DevicesSeattle, US

Brian Finrow(Founder)in

Co-investorsWestRiver Group

Normunitynormunity.comin𝕏Jan 2025✓ verified

Normunity develops biologic anti-cancer therapies that act at the interface of the immune system and tumors, targeting mechanisms tumors use to evade immune surveillance.

BiotechHealthtech

Rachel Humphrey(Founding Chief Executive Officer)inLieping Chen(Scientific Founder)Mitchell Keegan(Chief Development Officer)inWilliam LaRochelle(Chief Scientific Officer)inStacy M. Plum(Chief Technology Officer)

Co-investorsSanofi VenturesTaiho Ventures, LLCPfizer VenturesCanaan PartnersConnecticut InnovationsPfizer Venture Investments+4 more

PsiTherapsithera.comin𝕏Series A · Dec 2025 · $48M✓ verified

PsiThera is a biotechnology company using computational and physics-based methods—including quantum mechanics, molecular dynamics, machine learning, and simulation—for mechanism-driven drug design and discovery.

AI & Machine LearningBiotechDeep Tech

Co-investorsLightstone Ventures

Synthekinesynthekine.comin𝕏✓ verified

Synthekine is a clinical-stage biotechnology company using protein engineering platforms to develop cytokine-based immunotherapies designed to preserve therapeutic efficacy while avoiding toxicities linked to cytokine pleiotropy.

BiotechHealthtech

K. Christopher Garcia(Founder)Susan Molineaux(CEO)inMartin Oft(Chief Scientific Officer)inNaiyer Rizvi(Chief Medical Officer)inGregory(Chief Technical Officer)Geoff(Chief Business Officer)

Co-investorsThe Column GroupBain Capital Life SciencesCanaan PartnersRA CapitalTCG CrossoverDeerfield Management Company+2 more

Tentarixtentarix.cominSep 2023 · $35M✓ verified

Tentarix Biotherapeutics develops multifunctional biologics to modernize healthcare standards through precision medicine.

BiotechDeep TechHealthtechMedical Devices

BoardSrini Akkaraju(Director, Founder)inPaul Kang(Director, Founder)

Co-investorsVersant VenturesGilead Sciences

visit www.enarabio.comenarabio.comin𝕏✓ verified

Enara Bio discovers and validates Dark Antigens from non-coding genomic regions to identify novel cancer targets, and develops first-in-class bispecific T-cell engagers against these targets through its EnTiCE platform.

BiotechDeep TechMedical Devices

George Kassiotis(Co-founder)Drew Pardoll(Co-founder)Houman Ashrafian(Co-founder)in

Co-investorsPfizer VenturesRA CapitalSV Health InvestorsPfizer Venture InvestmentsM Ventures

A2 Biotherapeuticsa2biotherapeutics.cominSep 2020 · $80M

A2 Bio develops precision CAR T-cell therapies using its Tmod cell engineering platform, supporting both autologous and allogeneic applications.

BiotechHealthtechAgoura Hills, US

C. Alexander Kamb(Director)inScott Foraker(Executive Officer, Director)Madhavan Balachandran(Director)Michael Gallo(Director)

BoardDavid Goeddel(Director)in

Board seatSrini Akkaraju· per SEC Form D

Co-investorsNextech InvestVida VenturesThe Column Group

Delfi Diagnosticsdelfidiagnostics.cominDec 2025

DELFI Diagnostics develops FirstLook Lung, a blood-based laboratory test for lung cancer screening that identifies genome-wide alterations in individuals eligible for screening.

AI & Machine LearningBiotechDigital HealthHealthtechMedical DevicesBaltimore, US

Victor Velculescu(Founder and Board Director)inPeter Bach(Executive Officer)Jennifer Buechel(Executive Officer)Douglas Schenkel(Executive Officer)Nicholas Dracopoli(Executive Officer)inSusan Tousi(Chief Executive Officer)in

Board seatMichael Dybbs· per SEC Form D

Co-investorsAV8 VenturesForesite CapitalIllumina VenturesInitiate Venture PartnersMenlo VenturesOpen Field Capital+5 more

Principia Biopharmaprincipiabio.comJul 2015SEC filingmedium confidence

BiotechSouth San Francisco, US

MARTIN BABLER(Executive Officer, Director)in

BoardPETER THOMPSON(Director)inSIMEON GEORGE(Director)LEWIS J. SHUSTER(Director)

Board seatSrinivas AkkarajuMichael Dybbs· per SEC Form D · $50M raise · filed Sep 2018

Co-investorsAccess BiotechnologyMission BiocapitalSofinnova VenturesMission Bay CapitalNew Leaf Venture PartnersOrbiMed+1 more

A2 Biotherapeuticsa2bio.comin

A2 Biotherapeutics develops cell therapy technology using the Tmod platform, which applies quantitative drug discovery methods to treat cancer patients.

BiotechDeep TechDigital HealthHealthtechMedical Devices

Jim Robinson(CEO)in

Co-investorsThe Column Group

Abivaxabivax.comin𝕏

Abivax develops obefazimod, an orally administered small molecule drug candidate with a novel mechanism of action targeting microRNA biology to treat chronic inflammatory diseases including ulcerative colitis and Crohn's disease.

BiotechHealthtechMedical DevicesParis, FR

Marc de Garidel(CEO)in

Co-investorsAndera PartnersClaret Capital PartnersMedicxiSofinnova PartnersTruffle CapitalMorgan Stanley

Acelyrinacelyrin.comin𝕏acquired by Alumis

AI & Machine LearningBiotechDigital HealthHealthtech

Co-investorsDecheng CapitalvenBio PartnersAccess IndustriesKleiner PerkinsWestlake Village BioPartners

Alamarbioalamarbio.comin𝕏

Alamar Biosciences develops NULISA, an ultra-high-sensitivity, high-specificity technology for analyzing hundreds of protein biomarkers from small biofluid samples, building on the team's prior spatial genomics work (RNAscope).

BiotechDeep TechHealthtechFremont, US

Yuling Luo(Co-founder, CEO and Chair)inSteve Chen(Co-founder, COO and Director)inYiyuan Yin(Co-founder, VP of Technology)inTod White(President)inJustin McAnear(CFO)inXiao-Jun Ma(CTO)

Co-investorsIllumina VenturesQiming Venture Partners

Allakos Incallakos.comNov 2017

Portfolio company that completed a successful 2018 biotech IPO, resulting in a 9x return for RiverVest.

BiotechSan Carlos, US

Nenad Tomasevic(Executive Officer)Christopher Bebbington(Executive Officer, Director)Alejandro Dorenbaum(Executive Officer)

BoardFarah Champsi(Director)inJohn McKearn(Director)inPeter Moldt(Director)

Co-investorsAlta PartnersNew Enterprise Associates (NEA)RiverVest Venture PartnersRoche Venture Fund

Alpha-9 Oncologya9oncology.cominOct 2024

Alpha-9 Oncology develops radiopharmaceuticals for cancer treatment, with a portfolio of molecules in clinical and preclinical development.

BiotechDigital HealthMedical DevicesVancouver, CA

François Bénard(MD)Kuo-Shyan Lin(PhD)David Perrin(PhD)

Co-investorsAndreessen HorowitzAscenta CapitalDelos CapitalGeneral CatalystLightspeed Venture PartnersLongitude Capital+9 more

Arcellxarcellx.cominSeries C · Apr 2021 · $115M

Arcellx develops CAR T-cell therapies that are individually designed for each patient, using the immune system to target and attack cancer.

BiotechHealthtechGaithersburg, US

Han Lee(Executive Officer)Rami Elghandour(Executive Officer, Director)in

BoardJill Carroll(Director)inAli Behbahani(Director)inDerek Yoon(Director)inTiba Aynechi(Director)in

Co-investorsLG Technology VenturesNew Enterprise Associates (NEA)Quan CapitalSixty Degree CapitalSolasta VenturesSR One Capital Management+5 more

Attralusattralus.comin𝕏Sep 2021 · $116M

Attralus develops pan-amyloid removal (PAR) therapeutics — biologics and imaging agents designed to bind and remove toxic amyloid — to treat patients with systemic amyloidosis across all disease types and stages.

BiotechHealthtechSouth San Francisco, US

Jonathan Wall(Executive Officer)inSpencer Guthrie(Executive Officer)Mark Timney(Executive Officer, Director)inBenson Fong(Executive Officer)Rahul Kakkar(Director)inGreg Bell(Executive Officer)

Co-investorsAlpha Wave GlobalBioBritvenBio PartnersJanus Henderson InvestorsREDMILEvenBio Global Strategic+1 more

Autobahn Therapeutics, Inc.autobahntx.cominJun 2024

Autobahn Therapeutics develops orally administered small molecule prodrugs using a brain-targeting chemistry platform to create regenerative medicines for central nervous system (CNS) disorders.

BiotechDeep TechMedical DevicesSan Diego, US

Kevin Finney(Chairman, President and CEO)inJohn Borkholder(Executive Officer)in

BoardKristina Burow(Director)inThomas Cahill(Director)Timothy Anderson(Director)Philip J DeSouza(Director)

Co-investorsARCH Venture PartnersCanaan PartnersMonograph Capital PartnersPfizer Venture InvestmentsNewpath Partners

Candid Therapeuticscandidrx.cominAug 2024

CandidRx develops T-cell engager antibodies to treat autoimmune diseases by redirecting T-cells to eliminate autoreactive B-cells.

BiotechHealthtechSan Diego, US

Ken Song(Chairman, President and CEO)inKenneth Song, M.D.(Executive Officer, Director)Arvind Kush(Executive Officer)Timothy Lu, M.D.(Executive Officer)inBernie Huyghe, Ph.D.(Executive Officer)

BoardJeffrey Tong, Ph.D.(Director)

Co-investorsForesite CapitalOrbiMedTCG CrossoverThird Rock VenturesvenBio PartnersVida Ventures

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)

Co-investorsNextech InvestRed Tree VentureAlly Bridge GroupJanus Henderson InvestorsPerceptive Xontogeny VentureThird Rock Ventures

Claris Bioclarisbio.cominSeries B · Jul 2026 · $120M

Claris Bio develops biologic therapies for sight-threatening eye diseases, with a current focus on bringing CSB-001, a novel treatment for patients with limbal stem cell deficiency, through clinical development and to market.

BiotechHealthtechMedical DevicesJersey City, US

Clarke Atwell(Co-Founder and Chief Operating Officer)inHenry Rath(Executive Officer)Susan Orr(Executive Officer)inStephen Brady(Executive Officer, Director)Michael Dybbs(Director)Matt Hobson(Director)

Co-investorsCatalio Capital Management, LPRA CapitalSofinnova VenturesCatalio Capital ManagementNovo Holdings

Coultreoncoultreon.cominApr 2026 · $125M

Coultreon is a drug discovery and development company that advances small and large molecule therapeutic programmes across various disease areas, combining disease biology expertise with technology platforms.

AI & Machine LearningBiotech

Pierre Raboisson(Chief Executive Officer Chief Scientific Officer Co-founder)inMarie De Vulder(Chief Legal Officer Co-founder)inGuy Peeters(Chief Financial Officer Co-founder)inJohn-Paul Gallivan(Head of Development Co-founder)inFabrice Kolb(Head of Immunology Co-founder)inPieter Peeters(Operating & Technology Officer Co-founder)in

Co-investorsLongwood FundSofinnova VenturesBAM ElevateFinchley Healthcare VenturesForbionLuma Group+1 more

Dewpointdewpointinnov.cominFeb 2022

Dewpoint Innovations develops functional nanostructured polymeric surfaces for atmospheric water capture, technology originating from PhD research at the University of Sydney.

CleantechClimate TechDeep TechNew Materials

Chiara Neto(Founder & Advisor (Chief Scientific Officer))inMing Chiu(Founder & CTO)in

Co-investorsPacific Channel3E Bioventures CapitalARCH Venture PartnersEcoR1 CapitalGeneral CatalystLeaps by Bayer+2 more

elevatebioelevate.bioin𝕏

ElevateBio is a contract development and manufacturing organization (CDMO) for advanced therapies, offering discovery, process development, analytics, manufacturing, and regulatory support for cell therapies, viral vectors, mRNA therapeutics, and gene editing.

BiotechDeep TechHealthtechWaltham, US

David Hallal(CEO)inMike Paglia(Chief Technology Officer)Ger Brophy(CEO)in

Co-investorsEcoR1 CapitalMPM BioImpactSoftBank Vision Fund

Epi Biologicsepibiologics.comin

Epibiologics develops protein degradation medicines using protein sciences and antibody engineering capabilities.

BiotechMedical DevicesSan Mateo, US

Ann Lee-Karlon(Executive Officer, Director)inMitchell Mutz(Executive Officer, Director)James Wells(Director)

BoardSamuel Bjork(Director)inAlexandra Cantley(Director)inSeiji Miyahara(Director)in

Co-investorsAvego BioScience CapitalGV (Google Ventures)Mission BiocapitalNovartis Venture FundRoche Venture FundTaiho Ventures, LLC+4 more

Exo Therapeuticsexo-therapeutics.comin𝕏Oct 2021 · $78M

Exo Therapeutics is a small molecule drug discovery company developing therapeutics through its ExoSight platform, which targets exosites—unique binding pockets on enzymes—to address previously undruggable diseases in oncology, inflammation, and other therapeutic areas.

BiotechDeep TechMedical Devices

David Liu, PhD(Founder)Alan Saghatelian, PhD(Co-Founder)David LiuinAlan Saghetelian

Co-investorsNewpath PartnersCRV (Charles River Ventures)Nextech InvestRaptor GroupBiotechnology Value FundCasdin Capital+1 more

Fluent Biofluentbio.com

Fluent Bio develops software for analyzing single-cell RNA sequencing data, producing count matrices and diagnostic outputs for researchers using Illumina sequencing libraries.

BiotechDeveloper Tools

Co-investorsCivilization Ventures Management, LlcCota CapitalIllumina Ventures

Genalytegenalyte.comin𝕏

Genalyte develops Merlin, a real-time diagnostic system that performs laboratory testing directly in clinical settings and integrates results with electronic health records.

Digital HealthHardwareHealthtechMedical DevicesSan Diego, US

Cary Gunn(Co-founder and Chief Technical Officer)in

Co-investorsBioBritBoutique Venture PartnersClaremont Creek VenturesFusionX VenturesIPD CapitalSeed Healthcare+3 more

HilleVaxhillevax.cominacquired by XOMA Royalty

XOMA Royalty is a biotech royalty aggregator that acquires the economic rights to future milestone and royalty payments tied to partnered pre-commercial clinical candidates, providing sellers with non-dilutive, non-recourse funding.

BiotechFintech

Co-investorsCatalys PacificFrazier Life SciencesLightspeed Venture PartnersRA CapitalFrazier Healthcare Partners

Intercept Pharmaceuticalsinterceptpharma.comin𝕏acquired by Alfasigma

Intercept Pharmaceuticals develops and commercializes treatments for rare and serious liver and other diseases, with a focus on conditions such as primary biliary cholangitis.

BiotechHealthtechMedical Devices

Co-investorsAisling CapitalBioBritRidgeback Capital

Inventivainventivapharma.comin𝕏

Inventiva is a clinical-stage biopharmaceutical company developing drug candidates, with a focus on liver and other diseases.

BiotechMedical Devices

Co-investorsEuropean Investment BankAndera PartnersClaret Capital PartnersNew Enterprise Associates (NEA)Sofinnova PartnersBiotechnology Value Fund+1 more

IO Biotechiobiotech.comin

IOBiotech appears to be a biotech company focused on oncology, with a founder who has extensive experience in cancer drug development and clinical advancement from roles at Roche, Eli Lilly, and leading academic cancer centers.

BiotechMedical Devices

Dr. Dhingra

Co-investorsAvoro Capital AdvisorsEIR VenturesKurma PartnersRA CapitalSunstone CapitalVivo Capital+2 more

IonPathionpath.comSeries B · Sep 2020 · $18M

IonPath develops MIBIscope, a spatial proteomics platform that uses multiplexed ion beam imaging to simultaneously measure dozens of protein targets in preserved tissue samples for translational research and discovery.

BiotechDeep TechMedical Devices

Co-investorsHemisphere Ventures LLCNorwich VenturesVertical Venture Partners

Janux Therapeuticsjanuxrx.comin𝕏

Janux Therapeutics develops precision-engineered bispecific immunotherapies, including tumor-activated T cell engagers (TRACTr), designed to modulate T cells to treat cancer and autoimmune diseases.

BiotechMedical DevicesLa Jolla, US

David Campbell, Ph.D.(Executive Officer, Director)inTighe Reardon(Executive Officer)

BoardJay Lichter, Ph.D.(Director)Jake Simson, Ph.D.(Director)Peter Thompson, M.D.(Director)inStefan Heller(Director)

Co-investorsAvalon BioVenturesOrbiMed

Levo Therapeuticsin

HealthtechSkokie, US

Sara Cotter(Executive Officer, Director, Promoter)Michael Dybbs(Director)Sara Brownstein(Director)Terrence Kearney(Director)Daniel Welch(Director)Steven Ryder(Director)

Neurogastrxneurogastrx.cominAug 2021 · $60M

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

BiotechHealthtechWoburn, US

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

BoardDAVID ALLISON(Director)in

Co-investors5AM VenturesOrbiMedvenBio PartnersVivo CapitalRTW Investments L.P.venBio Global Strategic+1 more

Other

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

Chinook Therapeutics U.SFl2021-001Lumen BioscienceSyros Pharmaceuticals, Inc.Adverum BiotechnologiesAlentarAlpheusAutobahn Labs, LLCBE BiopharmaBionic Sight, Inc.Chinook TherapeuticsCodex Health, Inc.Decibel TherapeuticsDICE TherapeuticsEnara Bio, Ltd.Excellergy TherapeuticsEyebiotech LimitedForma TherapeuticsGraphite Bio, Inc.IntegerBio, Inc.IVERIC BioLink Cell TherapiesMaro BioMemento MedicinesMiroBioNkarta TherapeuticsOnKure, Inc.OttimoPalladio BiosciencesRaniRespira TherapeuticsShenandoahSideraTentarix Biotherapeutics, LPVelicept TherapeuticsVignette Bio

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.

Exits · 26

19 IPOs · 7 acquisitions · showing 25

aTYR PHARMANASDAQ: ATYRMineralys TherapeuticsNASDAQ: MLYSNeurogeneNASDAQ: NGNENkarta, Inc.NASDAQ: NKTXSutrobioNASDAQ: STROVtvtherapeuticsNASDAQ: VTVTAgios PharmaceuticalsNASDAQ: AGIOAlumisNASDAQ: ALMSBolt BiotherapeuticsNASDAQ: BOLTContineum TherapeuticsNASDAQ: CTNMGossamer BioNASDAQ: GOSSKalaris Therapeutics, Inc.NASDAQ: KLRSLENZ Therapeutics, Inc.NASDAQ: LENZPalvellatxNASDAQ: PVLAPrime MedicineNASDAQ: PRMEScholar Rock Holding Corp, Inc.NASDAQ: SRRKSpyglass PharmaNASDAQ: SGPUpstream BioNASDAQ: UPBAcelyrinacq. by AlumisDecibel Therapeuticsacq. by RegeneronExcellergy Therapeuticsacq. by NovartisEyebiotech Limitedacq. by MerckForma Therapeuticsacq. by Novo NordiskHilleVaxacq. by XOMA RoyaltyIntercept Pharmaceuticalsacq. by Alfasigma

Portfolio news

latest coverage across their companies

IPO stake values · per SEC filings · 6

Value of this firm's stake in each portfolio company at its IPO price, from the prospectus principal-stockholder table.

CompanyOwnedIPO priceAt IPOStake value
LENZ Therapeutics, Inc.12.4%$17.00Jun 2021$117.8M
Mineralys Therapeutics9.2%$16.00Feb 2023$57.3M
Upstream Bio4.0%$17.00Oct 2024$35.1M
Alumis3.3%$16.00Jun 2024$27.3M
Spyglass Pharma4.7%$16.00Feb 2026$23.8M
Sutrobio4.1%$15.00Sep 2018$13.9M

Source: SEC S-1 / 424B prospectus filings. Stake value = shares beneficially owned × the initial public offering price, as disclosed — a market value at IPO, not a return multiple (the firm's original cost is not disclosed).

Frequently asked questions

How many investments has Samsara BioCapital made?
Samsara BioCapital has 105 tracked investments, 26 of which have exited, including 11 dated in the last 24 months.
What stage does Samsara BioCapital invest at?
Samsara BioCapital invests at the Seed, Series A, Series B, Series C, Growth, Late Stage stages.
What sectors does Samsara BioCapital focus on?
Samsara BioCapital focuses on Biotech, Healthtech, Medical Devices.
Where is Samsara BioCapital located?
Samsara BioCapital is headquartered in Palo Alto, US.
Who does Samsara BioCapital co-invest with?
Samsara BioCapital most often shares deals with RA Capital, New Enterprise Associates (NEA), OrbiMed, among 101 tracked co-investors.
What size deals does Samsara BioCapital back?
Across 6 deals with disclosed amounts, Samsara BioCapital has joined rounds of $60M – $115M (median $75.9M).

Co-investors · 18

RA Capital

RA Capital is a multi-stage investment firm focused on healthcare, life sciences, and planetary health, investing across public and private markets and creating new companies through its Raven incubation platform.

OrbiMed

OrbiMed is a global healthcare-focused investment firm providing financing and operational support to companies across biopharmaceuticals, medical devices, digital health, diagnostics, and healthcare services.

$1M – $75M
ARCH Venture Partners

ARCH Venture Partners is a venture capital firm that invests in and helps build transformational companies, with a strong focus on the life sciences and biotechnology sector.

$50K – $250M
Versant Ventures

Versant Ventures operates in-house Discovery Engines staffed by multidisciplinary scientists in dedicated laboratory facilities to help launch new biotechnology companies alongside academic founders.

$250K – $5M
SR One Capital Management

SR One is a biotechnology-focused venture capital firm that partners with founders to develop innovative science into new medicines.

venBio Partners

venBio is a life sciences venture capital firm that partners with industry leaders to develop novel therapeutics and technologies addressing unmet medical needs.

Pfizer Venture Investments

Pfizer Venture Investments is a strategic venture fund that doesn't require product or technology rights as a condition of investing, giving founders independence while still aiming for future collaboration with Pfizer, and its team blends venture investing with business development and drug discovery expertise to back frontier scientific bets—such as neuroscience, in-vivo cell engineering, dark-genome target discovery, and the blockchain-based longevity accelerator VitaDAO—that many biotech investors avoid. The fund also runs an active China strategy through a locally based venture vehicle and direct investments like OTR Therapeutics, and it has become a channel for strategic deals, with portfolio companies acquired by AbbVie, Ipsen, and Gilead/Kite.

$5M – $20M
Nextech Invest

Nextech Invest is a Zurich-based investment firm focused on emerging biotechnology companies, backing transformative cancer medicines and precision medicine advances worldwide.

$648K – $3.2M
Third Rock Ventures

Third Rock Ventures is a venture capital firm that discovers, launches, and builds life sciences and biotechnology companies developing novel medicines and therapies.

$100K – $5M
The Column Group

The Column Group (TCG) is a venture capital firm focused on building and backing biotechnology companies, applying an edge-to-edge investment model centered on company formation with capacity for long-term private and public capital support.

Both backed · 4
$30M
General Catalyst

General Catalyst is a venture capital firm operating as a partnership focused on company building and accelerating the growth of the businesses it backs.

$30M
Frazier Healthcare Partners

Frazier Healthcare Partners is a healthcare-focused private equity firm that partners with profitable, growing healthcare companies to drive scale and long-term value, pairing high-conviction investment themes with experienced executives.

Both backed · 3
$50M – $400M
6 more co-investors

Advent Life SciencesLightstone VenturesEQT Life SciencesFlagship PioneeringGenoa VenturesAmplitude Venture Capital

Firms observed investing alongside Samsara BioCapital, from public investor directories. Shared companies are the overlap with Samsara BioCapital's recorded portfolio.

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