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ArsenalBio

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Developing and commercializing curative immune cell therapies

South San Francisco, United StatesFounded 2019Biotech & Life Sciences
Valuation $1–2.5B Last recorded · 2024
Headcount 100–500 Current team size
Total funding $500M–1B Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for ArsenalBio and the history behind them.

About ArsenalBio

Arsenal Biosciences, Inc. is a clinical stage biotechnology startup that operates in the healthcare sector, specifically in the field of cancer treatment. The company's primary focus is on developing programmable cell therapies aimed at combating solid tumor cancers. In simpler terms, they are working on ways to reprogram cells to fight cancer more effectively.

Their business model revolves around the research, development, and eventual commercialization of these innovative cell therapies. The company's target clients are primarily patients suffering from solid tumor cancers, a group that represents a significant portion of the global cancer patient population.

Arsenal Biosciences generates revenue through the development and sale of these therapies. As a clinical stage company, much of their current work is focused on research and development, with the goal of bringing their therapies to market. Once their therapies are approved and commercialized, the company will generate income from the sale of these treatments to healthcare providers.

The company's team is composed of experts from various scientific disciplines, as well as professionals with clinical and manufacturing experience. This diverse team is united by a common purpose: to defeat cancer through the development of innovative and effective treatments.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2019
Headquarters
South San Francisco, United States
Employees
181
Open positions
2
Dealroom signal
62.9/100
Industry
Health
Sub-industry
BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Spinout, Rumoured $1B, Biotech and Pharma, DT and LS, science-based
Business model
Manufacturing
Client focus
b2b

Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES COther financing Sep 2024 $325M $1.3B Kleiner Perkins · Bristol-Myers Squibb · Westlake Village BioPartners · Byers Capital ↗
SERIES BOther financing Sep 2022 $220M $880M Bristol-Myers Squibb · Emerson Collective · Euclidean Capital · Sixth Street Growth ↗
Showing the latest 2 of 4 recorded eventsBook a demo for the full funding history →

Growth signals

ArsenalBio website traffic

Latest recorded traffic for ArsenalBio is 3.1K monthly website visits, down 26.2% over the last three months. ArsenalBio's team declined 26.1% over the past year.

Latest monthly visits3.1K 3-month web change-26.2% 1-year team growth-26.1%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

25 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A16 investors entered at this stage

  • University of California, Santa Cruz
  • Euclidean Capital
  • Parker Institute for Cancer Immunotherapy
  • Osage Venture Partners
  • Kleiner Perkins
  • Westlake Village BioPartners
  • SoftBank Vision Fund
  • Bristol-Myers Squibb
  • Emerson Collective
  • Sixth Street Growth
  • Hitachi Ventures
  • UCSF Foundation Investment Company
  • SoftBank
  • Green Sands Equity
  • Waycross Ventures
  • Byers Capital

Series B and later7 investors entered at this stage

Other known investors2 additional known investors

  • University of California, San Francisco
  • University of Pennsylvania
Team profiled 11 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇺🇸 United States99.4%
🇨🇭 Switzerland0.6%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about ArsenalBio on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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