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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
369
Total Invested
$19.0B
Average Investment
$91.5M

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

Company NameFoundedFunding StageAmountCity
Artios Pharma2025Series D$115.0MCambridge
Invivyd2025Post Ipo Equity$125.0MWaltham
Imbria Pharmaceuticals2025Series BUndisclosedBoston
Bambusa Therapeutics2025Series AUndisclosedBoston
Biohaven Pharmaceutical2025Post Ipo Equity$200.0MNew Haven
Azalea Therapeutics2025Series A$65.0MBerkeley
Seres Therapeutics2025Grant$3.6MCambridge
Hemab2025Series C$157.0MCopenhagen
Tango Therapeutics2025Post Ipo Equity$197.0MCambridge
Electra Therapeutics2025Series C$183.0MSan Francisco

Complete List of RA Capital Management Portfolio Companies (369)

Export
#CompanyStageAmountLocation
201Artios PharmaSeries D$115.0MCambridge, United Kingdom
202InvivydPost Ipo Equity$125.0MWaltham, United States
203Imbria PharmaceuticalsSeries BUndisclosedBoston, United States
204Bambusa TherapeuticsSeries AUndisclosedBoston, United States
205Biohaven PharmaceuticalPost Ipo Equity$200.0MNew Haven, United States
206Azalea TherapeuticsSeries A$65.0MBerkeley, United States
207Seres TherapeuticsGrant$3.6MCambridge, United States
208HemabSeries C$157.0MCopenhagen, Denmark
209Tango TherapeuticsPost Ipo Equity$197.0MCambridge, United States
210Electra TherapeuticsSeries C$183.0MSan Francisco, United States
BiopharmaBiotechnologyMedical Device

Artios Pharma is a biopharmaceutical company that provides new solutions in the DNA damage response (DDR) field.

Cambridge, United Kingdom
November 2025
$115.0M
Series D

Founder Contacts

19,000+ verified contacts

BiotechnologyPharmaceuticalTherapeutics

Invivyd develops antibodies to transcend the limitations of the human immune system and fight against viral infections.

Waltham, United States
November 2025
$125.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife SciencePharmaceutical

Imbria Pharmaceuticals is a clinical stage biotechnology company developing novel therapies for cardiometabolic diseases.

Boston, United States
November 2025
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife ScienceMedical

Bambusa Therapeutics operates as biotechnology company.

Boston, United States
November 2025
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareHealth DiagnosticsNeurosciencePharmaceutical

Biohaven is a biopharmaceutical company that develops drug candidates targeting neurological diseases.

New Haven, United States
November 2025
$200.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyInformation TechnologyMedicalProduct Research

Azalea Therapeutics is a biotechnology company with a primary focus on developing cancer immunotherapies.

Berkeley, United States
November 2025
$65.0M
Series A

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyHealth CareTherapeutics

Seres Therapeutics is a microbiome therapeutics company that develops treatments for serious diseases.

Cambridge, United States
October 2025
$3.6M
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceMedicalPharmaceutical

Hemab is a clinical-stage biotech company that develops prophylactic biologic therapies for underserved bleeding and thrombotic.

Copenhagen, Denmark
October 2025
$157.0M
Series C

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalTherapeutics

Tango Therapeutics is a biotechnology company that is developing next generation cancer therapies.

Cambridge, United States
October 2025
$197.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedical

Electra Therapeutics is a clinical-stage biotechnology company developing antibody therapies for immunological diseases and cancer.

San Francisco, United States
October 2025
$183.0M
Series C

Founder Contacts

19,000+ verified contacts

BiotechnologyMedicalMedical DeviceTherapeutics

VitriVax is a formulation technology company that engineers solutions to maximize the accessibility and utility of human vaccines.

Boulder, United States
October 2025
$17.3M
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyOncologyProduct Design

Adcytherix is a biopharmaceutical firm that specializes in the development of new antibody drug conjugates (ADC).

Marseille, France
October 2025
$122.8M
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

LEXEO Therapeutics utilizes gene therapy to treat genetically defined cardiovascular and central nervous system diseases.

New York, United States
October 2025
$154.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyMedical

Indapta Therapeutics is a privately held biotechnology company.

San Francisco, United States
October 2025
$50.8M
Series Unknown

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyClinical Trials

TORL BioTherapeutics is a clinical-stage biopharmaceutical business.

Culver City, United States
October 2025
$96.0M
Series C

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife ScienceTherapeutics

Affinia Therapeutics is a biotechnology company developing transformative AAV gene therapies for people with rare and prevalent diseases.

Waltham, United States
October 2025
$40.0M
Series C

Founder Contacts

19,000+ verified contacts

Health CareMedicalTherapeutics

Star Therapeutics mission is to develop therapies for as many diseases as possible for millions of patients.

South San Francisco, United States
October 2025
$125.0M
Undisclosed

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Cidara Therapeutics develops targeted immunotherapies aimed at improving treatment outcomes for patients with serious diseases.

San Diego, United States
October 2025
$339.0M
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

Ansa Biotechnologies develops a novel DNA synthesis technology based on enzymes.

Emeryville, United States
October 2025
$46.4M
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeutics

IO Biotech is a clinical-stage biotech company developing disruptive immune therapies for the treatment of cancer.

Copenhagen, Denmark
September 2025
$6.6M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiopharmaHealth CareMedicalPharmaceutical

ARS Pharmaceuticals is a stealth pharmaceutical company that specializes in developing anti allergy drugs.

San Diego, United States
September 2025
$100.0M
Post Ipo Debt

Founder Contacts

19,000+ verified contacts

BiotechnologyDiabetesHealth Care

KalVista Pharmaceuticals is an ophthalmology company focused on developing drugs for the treatment of diabetic macular edema (DME).

Cambridge, United States
September 2025
$125.0M
Post Ipo Debt

Founder Contacts

19,000+ verified contacts

BiotechnologyClinical TrialsMedical

PepGen is empowering nucleic acid therapeutics to go the distance.

Oxford, United Kingdom
September 2025
$115.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

Precious MetalsTrading Platform

Metalex Commodities is a commodity trading company that specializes in the export of metal ores and concentrates.

Houston, United States
September 2025
$1.4M
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife SciencePharmaceuticalTherapeutics

Synapse Energy Economics is a consulting firm providing economic and policy analysis for the electric power sector.

San Diego, United States
September 2025
$690.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

Showing 201-225 of 369 portfolio companies

Frequently Asked Questions About RA Capital Management

How many companies has RA Capital Management invested in?

RA Capital Management has invested in 369 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, Therapeutics, Medical, Life Science. The firm invests across 18 different industry categories.

What is RA Capital Management's largest investment?

Among tracked funding rounds, Avidity Biosciences received $690.0M in a Post Ipo Equity 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 369 companies.

What are RA Capital Management's most recent investments?

Recent RA Capital Management portfolio additions include Artios Pharma, Invivyd, Imbria Pharmaceuticals, Bambusa Therapeutics, Biohaven Pharmaceutical. These companies were founded in 2020 or later.

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