Who invested in Mereo Biopharma?
Mereo Biopharma's investors include Perceptive Advisors, Janus Henderson Investors, Vivo Capital and Samsara BioCapital.

United Kingdom · Funded startup
Funding summaryUpdated 26 Oct 2026
$92Mraised across 8 rounds since 2021, from 8 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Source recorded
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
From Mereo Biopharma's own website: 15 on the team.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Mereo Biopharma's investors include Perceptive Advisors, Janus Henderson Investors, Vivo Capital and Samsara BioCapital.
Mereo Biopharma has raised $92M across 8 rounds since 2021.
Mereo Biopharma's most recent round, $6.2M, was in Feb 2025.
Mereo Biopharma's largest round on record is $50M (Undisclosed round), in Jun 2024.
Mereo Biopharma's first round on record, in Jun 2024, was backed by Perceptive Advisors, Janus Henderson Investors and Vivo Capital and 1 others.
Mereo Biopharma's latest named round is an Undisclosed round, in Jun 2024.
Mereo Biopharma is based in the United Kingdom.
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