United States · 
Who invested in Rational Vaccines?
Rational Vaccines's investors include Founders Fund, National Institutes of Health, Presight Capital and AAF Management Ltd..
United States · Funded startup
Who invested in Rational Vaccines
Funding summaryUpdated 26 Oct 2026
$2.8Mraised across 1 round since 2023, from 1 source
- Latest round
- Grant, $2.8MOct 2023
- Investors
- 4
The rounds
- Oct 2023Grant$2.8M
Source recorded
Founders and team
From Rational Vaccines's own website and the SEC filings it signed: 6 on the team.
- Agustin FernandezChief Executive Officer
- Olivier JarryChief Financial Officer
- Konstantin Kousoulas PhDVP of Scientific Affairs
- Quinn SteeleHead of GxP and Regulatory E-Systems
- Brandie MurphyLab Manager
- David BrindleyExecutive Officeri
On the board, as filediDiane AbbittJason CammJeffrey Madden
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Rational Vaccines
How much has Rational Vaccines raised?
Rational Vaccines has raised $2.8M across 1 round since 2023.
When did Rational Vaccines last raise?
Rational Vaccines's most recent round was a Grant of $2.8M in Oct 2023.
What was Rational Vaccines's biggest round?
Its most recent round, $2.8M in Oct 2023, is also its largest on record.
Who backed Rational Vaccines first?
Rational Vaccines's first round on record, in Oct 2023, was backed by Founders Fund, National Institutes of Health and Presight Capital and 1 others.
What stage is Rational Vaccines at?
Rational Vaccines's latest named round is a Grant, in Oct 2023.
Where is Rational Vaccines based?
Rational Vaccines is based in the United States.
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