United States · Series B startup

Who invested in Claris Biotherapeutics

2 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Pharma

Raised 4 months ago

Funding summaryUpdated 26 Oct 2026

$124Mraised across 2 rounds since 2025, from 2 sources

$5.6MDebt$118MSeries B
Latest round
Series B, $118MJul 2026
Step-upi
21.1×
Investors
5
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026
$5.6MDebt$118MSeries B
First round
Debt, $5.6M
Mar 2025
Biggest round
$118M
Series B · Jul 2026
Between rounds
16 months
from the last two

The rounds

  1. Jul 2026
    Series B$118M2 new3 returning

    Source recordedSEC filing: $56M sold, first sale Aug 2026

  2. Mar 2025
    Debt$5.6M3 new

    Source recordedSEC filing: $3.3M sold, first sale Feb 2025

Founders and team

From Claris Biotherapeutics's own website: 3 on the team.

  • Stephen BradyPresident and Chief Executive Officer
  • Brian BaumChief Commercial Officer
  • Henry RathChief Business Officer

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.

Everyone who backed them

RA Capital ManagementPrivate equity2rounds
Novo HoldingsVC firm2rounds
Janus Henderson InvestorsPrivate equity2rounds
Samsara BioCapitalVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Claris Biotherapeutics

Who invested in Claris Biotherapeutics?

Claris Biotherapeutics's investors include RA Capital Management, Novo Holdings, Janus Henderson Investors, Catalio Capital Management and Samsara BioCapital.

How much has Claris Biotherapeutics raised?

Claris Biotherapeutics has raised $124M across 2 rounds since 2025.

When did Claris Biotherapeutics last raise?

Claris Biotherapeutics's most recent round was a Series B of $118M in Jul 2026.

What was Claris Biotherapeutics's biggest round?

Its most recent round, $118M in Jul 2026, is also its largest on record.

Who backed Claris Biotherapeutics first?

Claris Biotherapeutics's first round on record, in Mar 2025, was backed by RA Capital Management, Novo Holdings and Janus Henderson Investors.

What stage is Claris Biotherapeutics at?

Claris Biotherapeutics's latest named round is a Series B, in Jul 2026.

Where is Claris Biotherapeutics based?

Claris Biotherapeutics is based in the United States.

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