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RA Capital Management Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: July 2026

RA Capital Management Investment Overview

Portfolio Companies
439
Total Invested
$19.0B
Average Investment
$91.5M

RA Capital Management's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Emergence Therapeutics2021Series A$98.1MDuisburg
Curie Therapeutics2021Series A$75.0MBoston
Sydnexis2021Series B$45.0MDel Mar
T-knife2021Series B$110.0MBerlin
Imara2021Post Ipo Equity$50.0MCambridge
Bolt Biotherapeutics2021Post Ipo Equity$15.0MRedwood City
NiKang Therapeutics2021Series C$200.0MWilmington
New Equilibrium Biosciences2021Seed$10.0MCambridge
Graphite Bio2021Series B$150.7MSouth San Francisco
DTx Pharma2021Series B$100.0MSan Diego

Complete List of RA Capital Management Portfolio Companies (439)

Export
#CompanyStageAmountLocation
401Emergence TherapeuticsSeries A$98.1MDuisburg, Germany
402Curie TherapeuticsSeries A$75.0MBoston, United States
403SydnexisSeries B$45.0MDel Mar, United States
404T-knifeSeries B$110.0MBerlin, Germany
405ImaraPost Ipo Equity$50.0MCambridge, United States
406Bolt BiotherapeuticsPost Ipo Equity$15.0MRedwood City, United States
407NiKang TherapeuticsSeries C$200.0MWilmington, United States
408New Equilibrium BiosciencesSeed$10.0MCambridge, United States
409Graphite BioSeries B$150.7MSouth San Francisco, United States
410DTx PharmaSeries B$100.0MSan Diego, United States
BiotechnologyFitnessHealth CareWellness

Emergence is a biopharmaceutical company working on novel ADC immunotherapies for cancers with a high unmet need.

Duisburg, Germany
December 2021
$98.1M
Series A

Founder Contacts

30,000+ verified contacts

Health CareMedicalPharmaceutical

Curie Therapeutics is a fully integrated next-generation radiopharmaceutical firm that combines ligand research and radiochemistry experts.

Boston, United States
December 2021
$75.0M
Series A

Founder Contacts

30,000+ verified contacts

ManufacturingPharmaceutical

Sydnexis is engaged in the development of a proprietary treatment for pediatric progressive myopia.

Del Mar, United States
August 2021
$45.0M
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology

T-knife is a developer of T cell receptors intended for T cell therapy of cancer.

Berlin, Germany
August 2021
$110.0M
Series B

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyGeneticsHealth CareTherapeutics

Imara is provider of novel therapeutics for the people living with sickle cell disease and hemoglobinopathies.

Cambridge, United States
July 2021
$50.0M
Post Ipo Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareMedicalPharmaceutical

Bolt Biotherapeutics is a biotechnology company that develops a platform for cancer immunotherapy.

Redwood City, United States
June 2021
$15.0M
Post Ipo Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareMedicalOncology

NiKang Therapeutics is a biotech company focused on discovering and developing small molecule oncology medicines.

Wilmington, United States
May 2021
$200.0M
Series C

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)BiotechnologyMedical

New Equilibrium Biosciences provides a platform that reveals opportunities for structure-based design by learning biophysics with AI.

Cambridge, United States
March 2021
$10.0M
Seed

Founder Contacts

30,000+ verified contacts

Biotechnology

Graphite Bio is a next-generation gene editing company that is driven to apply our breakthrough technology.

South San Francisco, United States
March 2021
$150.7M
Series B

Founder Contacts

30,000+ verified contacts

BiotechnologyPharmaceuticalTherapeutics

DTx Pharma is a biotechnology company creating novel RNA-based therapeutics to treat the genetic drivers of disease.

San Diego, United States
March 2021
$100.0M
Series B

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CarePharmaceuticalTherapeutics

Satsuma Pharmaceuticals is a clinical-stage biopharmaceutical company engaged in developing a novel therapeutic product.

South San Francisco, United States
March 2021
$80.0M
Post Ipo Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

Artiva Biotherapeutics is a biotech company focused on developing and commercializing allogeneic natural killer (NK) cell therapies.

San Diego, United States
February 2021
$120.0M
Series B

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Vividion is a developer of a novel drug discovery platform designed to offer transformative treatments to patients with serious illnesses.

San Diego, United States
February 2021
$135.0M
Series C

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyPharmaceutical

Cyteir is developing the next generation of synthetic lethal therapies to treat cancer.

Cambridge, United States
February 2021
$80.0M
Series C

Founder Contacts

30,000+ verified contacts

BiotechnologyLife ScienceMedical

Design Therapeutics is a biotechnology company developing a new class of therapies for serious degenerative disorders.

Solana Beach, United States
January 2021
$125.0M
Series B

Founder Contacts

30,000+ verified contacts

BiotechnologyMedicalPharmaceutical

Kira Pharmaceuticals is a Biotechnology Research Company.

Hong Kong, Hong Kong
January 2021
$53.5M
Series B

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Locana develops RNA-targeting gene therapies for patients with severe neurodegenerative, neuromuscular, and retinal diseases.

San Diego, United States
December 2020
$100.0M
Series B

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyPharmaceutical

LianBio aims to develop and accelerate availability of paradigm-shifting medicines to patients in China.

Shanghai, China
October 2020
$310.0M
Series A

Founder Contacts

30,000+ verified contacts

BiotechnologyGeneticsHealth CareLife Science

AavantiBio is a biopharmaceutical company that provides gene transfer and gene editing therapies to treat genetic diseases.

Cambridge, United States
October 2020
$107.0M
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology

Saniona is a research and development company with low burn rate, a world class team and high ambitions.

Ballerup, Denmark
August 2020
$65.0M
Post Ipo Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyLife ScienceMedical

Aerovate Therapeutics is a biotechnology company focused on developing drugs for rare cardiopulmonary disease.

Boston, United States
August 2020
$72.6M
Series A

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyHealth CareMedical Device

PMV Pharmaceuticals is a developer of p53-targeted small molecule drugs for the treatment of cancer.

Redwood City, United States
August 2020
$70.0M
Series D

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyHealth CareMedicalTherapeutics

Aurinia develops and commercializes therapies to treat targeted patient populations suffering from serious auto-immune diseases.

Victoria, Canada
July 2020
$200.0M
Post Ipo Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth DiagnosticsPharmaceutical

Akouos is a biotechnology company focusing on restoring and preserving hearing.

Boston, United States
March 2020
$105.0M
Series B

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CarePharmaceuticalTherapeutics

Aimmune Therapeutics is a clinical-stage biopharmaceutical company that improves the lives of people with food allergies.

Brisbane, United States
February 2020
$200.0M
Post Ipo Equity

Founder Contacts

30,000+ verified contacts

Showing 401-425 of 439 portfolio companies

Frequently Asked Questions About RA Capital Management

How many companies has RA Capital Management invested in?

RA Capital Management has invested in 439 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does RA Capital Management invest in?

RA Capital Management's top investment sectors include Biotechnology, Health Care, Pharmaceutical, Medical, Therapeutics. The firm invests across 15 different industry categories.

What is RA Capital Management's largest investment?

Among tracked funding rounds, LianBio received $310.0M in a Series A round. RA Capital Management's total known invested capital is $19.0B.

What is the average investment size for RA Capital Management?

RA Capital Management's average investment size is $91.5M across its portfolio of 439 companies.

What are RA Capital Management's most recent investments?

Recent RA Capital Management portfolio additions include Emergence Therapeutics, Curie Therapeutics, Sydnexis, T-knife, Imara. These companies were founded in 2020 or later.

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