RA Capital Management

Activity from announced rounds

Activity in this selectionUnited States · Oct 9, 2026 · Jan 1, 2026

RA Capital Management founds, funds and scales companies in healthcare and planetary health, combining scientific research with capital from seed through public-market financings.

Its TechAtlas research platform informs investment decisions through detailed scientific and market analysis. Raven, its healthcare incubator, works on originating and co-creating companies, giving researchers a route from a scientific idea to a funded business.

Blackbird provides a clinical development accelerator alongside the investment platform. These capabilities are relevant for founders who need to design a development programme and reach clinical milestones, as well as finance laboratory or commercial work.

Sources
Rounds participated in
20
Confirmed lead rounds
2
16 roles undisclosed
New companies
20
First participation on record · 0 follow-on
Funding in participating rounds
$2.4B
20 disclosed · full round size, not this investor’s share

By stage

Series A7
Series B5
Series C+5
Undisclosed2
Growth1

By primary sector

Biotech18
Climate tech1
Healthtech1

By country

United States20

Rounds

20 in this selection
Circle Pharma, Inc.

Circle Pharma discovers macrocycle medicines for cancer and other serious diseases using its MXMO platform, which combines computational, structure-based design with synthetic chemistry to create cell-permeable compounds against difficult protein targets. Its lead programs are investigational and at discovery or preclinical stages.

$92.5MSeries E
Participant
Solstice Oncology

A clinical-stage immunotherapy company is advancing an engineered CTLA-4 antibody for earlier cancer treatment.

$225MSeries A
Lead
Superluminal Medicines

Superluminal Medicines combines structural biology, protein dynamics, machine learning and experimental testing to discover small-molecule drugs for difficult G protein-coupled receptor targets. Its pipeline focuses on endocrine and cardiometabolic diseases, including rare genetic and hypothalamic obesity.

$60MSeries B
Participant
Typewriter Therapeutics

Typewriter Therapeutics is developing an all-RNA gene-writing platform that inserts therapeutic genes at a defined genomic site without viral vectors or double-strand DNA breaks. Its programs target in vivo engineered CAR-T cells and gene insertion for severe genetic diseases, including liver disorders.

$56MSeries A
Lead
AusperBio

Develops oligonucleotide therapeutics targeting chronic hepatitis B

$120MSeries C
Role not disclosed
Abcuro

Clinical-stage immunotherapies targeting pathogenic cytotoxic T cells in autoimmune disease.

$66MSeries D
Role not disclosed
Infinimmune

Develops human-derived antibody therapeutics for atopic dermatitis and inflammatory disease

$75MSeries A
Role not disclosed
LifeMine Therapeutics

Develops fungal genome-derived therapeutics for organ transplant rejection

$263MSeries D+Series E
Role not disclosed
Ollin Biosciences

Develops bispecific antibody therapies for retinal vascular diseases including diabetic macular edema and wet AMD

$330MSeries B
Role not disclosed
NorthLinks Bio

Develops broad-spectrum antiviral prophylactic therapies for respiratory infections

$34MUndisclosed
Role not disclosed
Contraline

Develops hormonal and non-hormonal male contraceptives for men and couples globally

$92.5MSeries B
Role not disclosed
Secretome Therapeutics

Clinical-stage company developing neonatal cardiac progenitor cell therapies for Duchenne-associated cardiomyopathy

$30MSeries A
Role not disclosed
Terremoto Biosciences

Develops highly targeted, small molecule medicines for cancer and rare diseases

$108MSeries C
Role not disclosed
NexCure

Provides CAR-T and other advanced treatment delivery in community outpatient settings

$19MSeries A
Role not disclosed
Slate Medicines

Advancing next-generation therapeutics for migraine and other headache disorders

$130MSeries A
Role not disclosed
Avalanche Energy

Develops modular compact fusion machines for clean energy applications

$29MSeries A
Role not disclosed
Parabilis Medicines

Develops medicines targeting historically undruggable protein targets in cancer

$305MSeries F
Role not disclosed