Fundraising Fox

Samsara BioCapital

Venture capital

Palo Alto · Seed–Late Stage · 5 people tracked

Also known as SAMSARA BIOCAPITAL, LLC

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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.

Invests inBiotechHealthtechMedical DevicesNorth AmericaPalo AltoUnited States

Source: firm website, verified Aug 11, 2026.

Stage
Seed–Late Stage
HQ
Palo Alto, CA, US
Instruments
Equity
Founded
2017
Last 12 months
3 investments
AUM
$2.2B
Tracked investments
81

Team · 5 people

from public directories
Abe Bassan· Principalin

What they invest in

from 42 of 81 portfolio companies

Biotech ×41Medical Devices ×15Healthtech ×14Deep Tech ×9Digital Health ×6AI & Machine Learning ×4Developer Tools ×1Fintech ×1

HQs:United States×35Canada×1China×1

Investments · 81 tracked

founders shown can be your intro path

By year:2026 · 12025 · 42024 · 42023 · 12022 · 12020 · 22019 · 22018 · 22017 · 32015 · 121 dated

aTYR PHARMAatyrpharma.comNASDAQ: 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

Amir Nashat(Non-Management Director)Paul Schimmel(Non-Management Director)Akkaraju Srinivas(Non-Management Director)John D. Mendlein(Executive Officer, Director)David Weiner(Executive Officer)Ed Penhoet(Non-Management Director)

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

Mineralys Therapeuticsmineralystx.cominNASDAQ: MLYSJun 2022

Clinical-stage biopharmaceutical company committed to developing best-in-class novel therapy for hypertension treatment.

BiotechRadnor, US

Adam Levy(Executive Officer)Srinivas Akkaraju(Director)Alexander Asam(Director)

BoardBrian Taylor Slingsby(Director)Olivier Litzka(Director)Derek DiRocco(Director)

Board seatSrinivas Akkaraju· per SEC Form D

Neurogene IncNASDAQ: NGNEDec 2020

Accelerating development of new genetic medicines for people with devastating neurological diseases.

New York, US

Cory Freedland(Director)Rachel McMinn(Executive Officer, Director)Stephen Biggar(Director)

Board seatRobert Baffi· per SEC Form D

Nkarta, Inc.NASDAQ: NKTXAug 2019

Developing allogeneic or off-the-shelf cell therapies for cancer and auto-immune disease based on Natural Killer cells.

South San Francisco, US

Board seatMichael Dybbs· per SEC Form D

Sutro BioPharma, Inc.NASDAQ: STROMay 2018

Clinical-stage company developing next generation antibody drug conjugates for cancer treatment using proprietary cell-free protein manufacturing technology.

BiotechSouth San Francisco, US

Joseph Lobacki(Director)Daniel Janney(Director)Armen Shanafelt(Director)Virgil Bryan Lawlis(Director)John G. Freund(Director)William J. Newell(Executive Officer, Director)

Board seatMichael Bryan Dybbs· per SEC Form D

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)Paul Meister(Director)Stephen Holcombe(Executive Officer)Paul Savas(Director)Noel Spiegel(Director)Howard Weiner(Director)

Board seatSrinivas Akkaraju· per SEC Form D

Alumisalumis.comin𝕏NASDAQ: ALMS

Alumis is a clinical-stage biopharmaceutical company developing a late-stage portfolio of targeted oral therapies for immune-mediated diseases such as plaque psoriasis.

AI & Machine LearningBiotechDigital HealthSouth San Francisco, US

Bolt Biotherapeutics, Inc.NASDAQ: BOLT

Clinical-stage biotechnology company pioneering a new class of immuno-oncology agents combining antibody targeting precision with innate and adaptive immune system power.

Contineum TherapeuticsNASDAQ: CTNM

Biopharmaceutical company focused on development and commercialization of first-in-class small molecules for neuroregeneration.

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

Bryan Giraudo(Executive Officer)Faheem Hasnain(Executive Officer, Director)Russell Cox(Director)Renee Gala(Director)Laura Carter, Ph.D.(Executive Officer)Christian Waage(Executive Officer)

Janux Therapeutics, Inc.NASDAQ: JANX

Clinical-stage biopharmaceutical company developing novel therapeutics.

BiotechLa Jolla, US

Jay Lichter, Ph.D.(Director)Jake Simson, Ph.D.(Director)Stefan Heller(Director)Peter Thompson, M.D.(Director)Vickie L. Capps(Director)David Campbell, Ph.D.(Executive Officer, Director)

Kalaris Therapeutics, Inc.NASDAQ: KLRS

Developing a best-in-class approach for neovascular retinal diseases.

LENZ Therapeutics, Inc.NASDAQ: LENZ

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

Palvella Therapeutics, Inc.NASDAQ: PVLA

Rare disease biopharmaceutical company focused on developing and commercializing pathogenetically targeted therapies for serious genetic diseases with no approved treatments.

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)David Liu(Co-founder)Allan Reine(Chief Executive Officer)Mohammed Asmal(Chief Medical Officer)Ann Lee(Chief Technical Officer)Svetlana Makhni(Chief Financial Officer)

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

Alan Buckler(Executive Officer)Nagesh Mahanthappa(Executive Officer, Director)Timothy Springer(Director)David Hallal(Director)Michael Gilman(Director)Jeffrey Flier(Director)

Spyglass Pharmaspyglasspharma.cominNASDAQ: SGP

SpyGlass Pharma develops a sustained drug delivery system, the BIM-IOL System, that integrates long-acting glaucoma therapy into cataract surgery.

BiotechHealthtechMedical DevicesAliso Viejo, US

Malik Kahook(Executive Officer, Director)Patrick Mooney(Executive Officer, Director)Glenn Sussman(Executive Officer, Director)

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

Upstream Bio, Inc.NASDAQ: UPB

Develops therapies to treat inflammatory and allergic diseases with lead asset being an anti-TSLPR monoclonal antibody in phase II study.

Abcuroabcuro.comFeb 2025✓ verified

Abcuro is a clinical-stage biopharmaceutical company developing ulviprubart, a monoclonal antibody that selectively depletes highly cytotoxic T cells by targeting the KLRG1 receptor.

BiotechHealthtechNewton, US

John Alexander Martin(Executive Officer, Director)Stefano Gulla(Executive Officer)Ryan Berry(Director)Donald McCarthy(Director)John Edwards(Director)Yajun Xu(Director)

Board seatMichael Dybbs· per SEC Form D

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)Sanford Madigan(Co-Founder, President & Chief Business Officer)Analeah Heidt(Chief Scientific Officer)

Board seatMarcos Milla· per SEC Form D

Dewpoint Therapeuticsdewpointx.comin✓ 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

Mark Murcko, Ph.D.(Director)Richard Young, Ph.D.(Director)Elisabeth Leiderman(Executive Officer)Ameet Nathwani, M.D.(Executive Officer, Director)Isaac Klein, M.D., Ph.D.(Executive Officer)Lori Escobedo(Executive Officer)

PsiTherapsithera.comin✓ 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

A2 Biotherapeuticsa2biotherapeutics.cominSep 2020SEC filingmedium confidence

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

BiotechHealthtechAgoura Hills, US

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

BoardDavid Goeddel(Director)

Board seatSrini Akkaraju· per SEC Form D · $71.5M raise · filed Oct 2020

Chinook Therapeutics U.SFeb 2019SEC filingmedium confidence

Seattle, US

Sam Hall(Director)Eric Dobmeier(Executive Officer, Director)

BoardJeremy Caldwell(Director)Jerel Davis(Director)

Board seatSrinivas AkkarajuSrini Akkaraju· per SEC Form D · $115M raise · filed Oct 2020

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

Peter Bach(Executive Officer)Elizabeth Homans(Director)Justin Kao(Director)Jennifer Buechel(Executive Officer)Victor Velculescu(Executive Officer, Director, Promoter)Douglas Schenkel(Executive Officer)

Board seatMichael Dybbs· per SEC Form D

Fl2021-001Mar 2024SEC filingmedium confidence

HealthtechSan Francisco, US

James Tananbaum(Director)June Lee(Executive Officer, Director)

BoardVikram Bajaj(Director)

Board seatSrinivas Akkaraju· per SEC Form D · $40M raise · filed Jul 2024

Lumen BioscienceApr 2025SEC filingmedium confidence

BiotechSeattle, US

Erik Anderson(Director)Mark Litton(Director)Robert Carlson(Director)Craig Behnke(Executive Officer)Ed Schlect(Director)John Morrow(Executive Officer)

Board seatMarcos Milla· per SEC Form D · $23M raise · filed Apr 2025

OrsoBioorsobio.comin𝕏Oct 2023

BiotechMenlo Park, US

Mani Subramanian(Executive Officer, Director)Gangadhara Ganapati(Executive Officer, Director)

BoardMatthew Young(Director)Cory Freedland(Director)Edward Fleming(Director)

Board seatSrinivas Akkaraju· per SEC Form D

Principia Biopharmaprincipiabio.comJul 2015SEC filingmedium confidence

BiotechSouth San Francisco, US

MARTIN BABLER(Executive Officer, Director)PETER THOMPSON(Director)SRINIVAS AKKARAJU(Director)LEWIS J. SHUSTER(Director)MICHAEL DYBBS(Director)SIMEON GEORGE(Director)

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

Syros Pharmaceuticals, Inc.Jan 2018SEC filingmedium confidence

Cambridge, US

Board seatSrinivas Akkaraju· per SEC Form D · $11.4M raise · filed Feb 2018

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 Devices

Acelyrinacelyrin.comin𝕏
Alamarbioalamarbio.comin𝕏

Alamar Biosciences develops the NULISA ultra-high-sensitivity, multiplexed proteomics assay and the ARGO automation platform for detecting low-abundance proteins in blood and other fluid samples.

BiotechDeep TechHealthtech

Alentar

Developing therapies to reverse goblet cell hyperplasia for cystic fibrosis and other pulmonary conditions.

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)Alejandro Dorenbaum(Executive Officer)Peter Moldt(Director)Christopher Bebbington(Executive Officer, Director)

BoardFarah Champsi(Director)John McKearn(Director)

Alpha-9 Oncologya9oncology.comin

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)

Alpheus

Developing sonodynamic therapy for brain cancer.

Arcellxarcellx.com

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)Lewis T. Rusty Williams(Director)David Lubner(Director)Rami Elghandour(Executive Officer, Director)

BoardJill Carroll(Director)Ali Behbahani(Director)

Autobahn Labs, LLC

Accelerates the translation of novel science to realize the potential of academic research.

Autobahn Therapeutics, Inc.autobahntx.cominJun 2024

Autobahn develops medicines for central nervous system (CNS) disorders by leveraging regenerative mechanisms of the human body.

BiotechDeep TechMedical DevicesSan Diego, US

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

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

Bionic Sight, Inc.

Developing technology focused on restoring sight to patients with advanced-stage blindness due to retinal degenerative diseases.

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)Kenneth Song, M.D.(Executive Officer, Director)Arvind Kush(Executive Officer)Timothy Lu, M.D.(Executive Officer)Bernie Huyghe, Ph.D.(Executive Officer)

BoardJeffrey Tong, Ph.D.(Director)

CARGO Therapeuticscargo-tx.com

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)Abraham Bassan(Director)Cassandra Gianna Luca(Director)Jeffrey Walsh(Director)Krishnan Viswanadhan(Director)Crystal Mackall(Director)

Codex Health, Inc.

Develops clinical intelligence solutions for healthcare providers to enable data-driven decision making in healthcare workflows.

Decibel Therapeuticsacquired by Regeneron

Originator of Otarmeni (lunsotogene parvec-cwha), an FDA-approved gene therapy for genetic hearing loss; acquired by Regeneron in 2023.

Cambridge, US

DICE Therapeutics

Clinical-stage biopharmaceutical company combining innovative chemistry with validated biology to make medicines more accessible for chronic autoimmune and inflammatory diseases.

elevatebioelevate.bioin𝕏

ElevateBio is a contract development and manufacturing organization (CDMO) that provides end-to-end services for cell and gene therapies, from discovery and process development through clinical and commercial-scale manufacturing.

BiotechDeep TechMedical Devices

Mike Paglia(Chief Technology Officer)

Enara Bio, Ltd.

Developing therapies targeting Dark Antigens, a novel class of cancer-specific targets from genomic dark matter.

Epi Biologicsepibiologics.comin

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

BiotechMedical DevicesSan Mateo, US

Jason Coloma(Director)Ann Lee-Karlon(Executive Officer, Director)Samuel Bjork(Director)Alexandra Cantley(Director)Mitchell Mutz(Executive Officer, Director)Seiji Miyahara(Director)

Excellergy Therapeutics

Developing best-in-class protein therapeutics for rapidly relieving or preventing allergic-mediated diseases.

Exo Therapeuticsexo-therapeutics.comin𝕏

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 LiuAlan Saghetelian

Eyebiotech Limitedacquired by Merck

Clinical-stage ophthalmology biotech company delivering a next-generation pipeline for back-of-the-eye diseases, acquired by Merck in 2024.

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

Forma Therapeuticsacquired by Novo Nordisk

Clinical-stage biopharmaceutical company focused on developing novel therapeutics for rare hematologic diseases and cancers, acquired by Novo Nordisk in 2022.

Genalyte, Inc.

Delivers rapid, actionable results to physicians through decentralized laboratory testing backed by remote telehealth oversight and monitoring.

HilleVaxhillevax.comin

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.

BiotechFintech

IntegerBio, Inc.

Immunovirology company harnessing science at the intersection of immunology and virology to design broad therapeutics with durable response across multiple viruses.

Intercept Pharmaceuticalsacquired by Alfasigma

Focuses on development and commercialization of therapeutics to treat chronic liver diseases utilizing proprietary bile acid chemistry, acquired by Alfasigma in 2023.

Inventivainventivapharma.comin𝕏

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

BiotechMedical Devices

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 · 22

IPOs and acquisitions across the tracked portfolio

aTYR PHARMANASDAQ: ATYRMineralys TherapeuticsNASDAQ: MLYSNeurogene IncNASDAQ: NGNENkarta, Inc.NASDAQ: NKTXSutro BioPharma, Inc.NASDAQ: STROVtvtherapeuticsNASDAQ: VTVTAlumisNASDAQ: ALMSBolt Biotherapeutics, Inc.NASDAQ: BOLTContineum TherapeuticsNASDAQ: CTNMGossamer BioNASDAQ: GOSSJanux Therapeutics, Inc.NASDAQ: JANXKalaris Therapeutics, Inc.NASDAQ: KLRSLENZ Therapeutics, Inc.NASDAQ: LENZPalvella Therapeutics, Inc.NASDAQ: PVLAPrime MedicineNASDAQ: PRMEScholar Rock Holding Corp, Inc.NASDAQ: SRRKSpyglass PharmaNASDAQ: SGPUpstream Bio, Inc.NASDAQ: UPBDecibel Therapeuticsacq. by RegeneronEyebiotech Limitedacq. by MerckForma Therapeuticsacq. by Novo NordiskIntercept Pharmaceuticalsacq. by Alfasigma

Portfolio news

latest coverage across their companies

Frequently asked questions

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.

Co-investors · 18

RA Capital

RA Capital invests in public and private healthcare and life science companies developing pharmaceuticals, medical devices, and diagnostic tools. The firm operates as a crossover fund across multiple investment stages.

ARCH Venture Partners

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

$50K – $250M
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
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
SR One Capital Management

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

Both backed · 4
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.

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.

Both backed · 3
$250K – $5M
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.

Both backed · 3
Candid TherapeuticsSepternaDecibel Therapeutics
$100K – $5M
General Catalyst

General Catalyst is a venture capital and investment firm that backs founders across industries, with a strong focus on AI-driven transformation, fintech, healthcare, and other sectors.

$30M
Pfizer Venture Investments

Pfizer Ventures is the corporate venture arm of Pfizer that invests in life science innovation across oncology, inflammation & immunology, cardiovascular, metabolic/obesity, and vaccines, as well as platform technology companies aligned with Pfizer's strategic focus areas.

$5M – $20M
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 · 1
$30M
Advent Life Sciences

Advent Life Sciences is a trans-Atlantic venture capital firm investing in early and mid-stage life sciences companies across the UK, Europe and the USA.

Both backed · 1
MiroBio
6 more co-investors

Lightstone VenturesEQT Life SciencesFlagship PioneeringFrazier Healthcare PartnersGenoa 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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