United States · Who invested in ArsenalBio?
ArsenalBio's investors include Kleiner Perkins, ARCH Venture Partners, nVentures, Osage University Partners and Hitachi Ventures, and 5 more on record.
20202021202220232024
$85MSeries A$325MSeries C
United States · Series C startup
Who invested in ArsenalBio
Funding summaryUpdated 26 Oct 2026
$410Mraised across 2 rounds since 2019, from 2 sources
$85MSeries A$325MSeries C
- Latest round
- Series C, $325MSept 2024
- Step-upi
- 3.8×
- Investors
- 10
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $85M Oct 2019
- Biggest round
- $325M Series C · Sept 2024
- Between rounds
- 4.9 years from the last two
The rounds
- Sept 2024Series C$325M3 new1 returning
Source recorded
- Oct 2019Series A$85M7 new
Kleiner Perkins
Osage University Partners
Euclidean Capital
Westlake Village Biopartners- Parker Institute for Cancer Immunotherapy
- San Francisco
- the University of California
Reported by FinSMEs
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Series A2019Series C2024Kleiner Perkins
ARCH Venture Partners
nVenturesOsage University Partners
Hitachi VenturesEuclidean CapitalWestlake Village BiopartnersParker Institute for Cancer ImmunotherapySan Franciscothe University of California
Kleiner PerkinsARCH Venture PartnersnVenturesOsage University PartnersHitachi VenturesEuclidean CapitalWestlake Village BiopartnersParker Institute for Cancer ImmunotherapySan Franciscothe University of CaliforniaEveryone who backed them
Parker Institute for Cancer Immunotherapyno record of our own yet1round
San Franciscono record of our own yet1round
the University of Californiano record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about ArsenalBio
How much has ArsenalBio raised?
ArsenalBio has raised $410M across 2 rounds since 2019.
When did ArsenalBio last raise?
ArsenalBio's most recent round was a Series C of $325M in Sept 2024.
What was ArsenalBio's biggest round?
Its most recent round, $325M in Sept 2024, is also its largest on record.
Who backed ArsenalBio first?
ArsenalBio's first round on record, in Oct 2019, was backed by Kleiner Perkins, Osage University Partners and Euclidean Capital and 4 others.
What stage is ArsenalBio at?
ArsenalBio's latest named round is a Series C, in Sept 2024.
Where is ArsenalBio based?
ArsenalBio is based in the United States.
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