COMPANY PROFILE · UPDATED 01 AUG 2026

ArsenalBio

ArsenalBio’s mission is to develop efficacious and safe cellular therapies for patients with chronic diseases, initially cancer.

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Founded: 2019
Headcount: 260
Open roles: 2
Last raised: Series C · Sign in to view

LEADERSHIP

Founders & key people

Ken Drazan

CEO at ArsenalBio

ArsenalBioUniversity of CaliforniaGrailVerb SurgicalCalifornia Life Sciences Association (CLSA)Silicon Valley Leadership GroupState University of New York (SUNY) Downstate Medical Center School of Public HealthYale University

Kole Roybal

Nick Haining

Founder at ArsenalBio

ArsenalBioMerck & Co.Dana-Farber Cancer InstituteBoston Children's HospitalHarvard Medical SchoolBroad InstituteUniversity of Oxford

OPEN ROLES

Hiring at ArsenalBio

FUNDING

Capital raised

Total raised

$630,806,682

Investors

Kleiner Perkins Softbank Vision FundArch Venture PartnersBristol-Myers Squibb CompanyByers CapitalEmerson CollectiveEuclidean CapitalGreen Sands EquityHitachi VenturesLuma GroupMilky Way Investments GroupNVenturesOsage University Partners IIParker Institute for Cancer ImmunotherapyRegeneron VenturesRock Springs CapitalSixth StreetT. Rowe PriceTriatomic CapitalUcsf Foundation Investment CompanyUniversity Of California San Francisco-UcsfUniversity of CaliforniaWaycross VenturesWestlake Village BioPartners

Funding rounds

Series C
SoftBank Vision Fund, NVentures, Bristol-Myers Squibb Company, T. Rowe Price, Rock Springs Capital, Arch Venture Partners, Parker Institute for Cancer Immunotherapy, Westlake Village BioPartners, Byers Capital, Kleiner Perkins, Hitachi Ventures, Regeneron Ventures, Milky Way Investments Group, Luma Group
$325MSep 3, 2024
Series B
SoftBank Vision Fund, Byers Capital, Waycross Ventures, Green Sands Equity, Hitachi Ventures, University Of California San Francisco-Ucsf, Kleiner Perkins, Westlake Village BioPartners, Emerson Collective, Bristol-Myers Squibb Company, Parker Institute for Cancer Immunotherapy, Euclidean Capital, Sixth Street, Triatomic Capital
$220.8MSep 5, 2022
Series A
Ucsf Foundation Investment Company, Kleiner Perkins, University of California, Parker Institute for Cancer Immunotherapy, Euclidean Capital, Westlake Village BioPartners, Osage University Partners II
$85MOct 16, 2019

Funding data via Diffbot

Categorized in

Industry

Healthcare & Biotech Biotech & Drug Discovery

Investors

Kleiner Perkins Softbank Vision Fund

Industries

Software Companies Medical Organizations Health Care Companies Biotechnology Companies

Tech Stack

Python React Amazon Web Services Node.js Nodejs

LOCATIONS

Where they work

ArsenalBio Headquarters Location

2 Tower Place suite 700, South San Francisco, CA, 94080

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