Private Market View

RA Capital Management

Asset manager · Boston, Massachusetts · Founded 2004

AUM
$10.0B
Portfolio companies
90
Recorded deals
249
31 in last 12M
Last investment
Feb 2026

Key facts

  • RA Capital Management is a asset manager based in Boston, Massachusetts with 90 tracked portfolio companies.
  • Notable positions include Halda Therapeutics, Stipple Bio, Freenome, Element Biosciences, Parabilis Medicines.
  • Private Market View records 249 deal participations by RA Capital Management.
  • RA Capital Management’s most recent recorded investment was in Feb 2026, one of 31 in the last 12 months and 77 over two years.
  • The team roster lists 66 people.
  • RA Capital Management reports $5.6B in regulatory assets under management across 6 private funds, per its SEC Form ADV (2026-03).

About RA Capital Management

Founded in 2004, RA Capital Management is an asset manager based in Boston, Massachusetts. The firm prefers to invest in healthcare, planetary health, and life science companies developing drugs, medical devices, services & research tools, and diagnostics, with a focus on those based in the United States and the European region. This firm is a Registered Investment Adviser (RIA).

Stages
Early Stage VCLater Stage VCPE Growth/ExpansionSeed RoundPreferred VerticalsHealthTechLife Sciences
Sectors
Diagnostic EquipmentOther Devices and SuppliesPharmaceuticals and BiotechnologySurgical DevicesTherapeutic DevicesGeographic PreferencesEuropeUnited StatesPreferred Deal TypesEarly Stage VCLater Stage VCPE Growth/ExpansionSeed RoundPreferred VerticalsHealthTechLife SciencesOther Investment PreferencesPrefers majority stake

Registered with the SEC

Form ADV · 2026-03 · CRD 160174
Regulatory AUM
$5.6B
Private fund assets
$16.3B
Private funds
6 · 5 venture, 1 hedge
Staff
185
Registered office
BOSTON, MA
SEC status
Approved

Source: SEC Investment Adviser Public Disclosure, Form ADV (registered as RA CAPITAL MANAGEMENT, LP).

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  • ·The book's top 25 — of 90 recorded positions
  • ·Every recorded deal — 249 rounds
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Portfolio, priced

90 companies · by our current valuations
CompanyValuationRole
Halda Therapeutics$3.0B
Stipple Bio$2.2B
Freenome$2.2B
Element Biosciences$1.0B
Parabilis Medicines$920.0M
Koloma$845.7M
Bluejay Therapeutics$820.0M
Abcuro$700.0M
Merlyn Mind$668.0M
Exo$645.0M
Bambusa Therapeutics$555.0M
SpyGlass Pharma (NAS: SGP)$510.6M
Synthekine$500.0M
Rivus Pharmaceuticals$489.0M
Electra Therapeutics$479.0M
+ 75 more companies · a free account shows the top of the book

Recent deals

249 recorded
Feb 2026ILiAD BiotechnologiesLater Stage VC (Series B)$115.0M
Feb 2026Angitia BiopharmaceuticalsLater Stage VC (Series D)$130.0M
Jan 2026ALX OncologyPIPE$150.0M
Jan 2026Avalanche (Alternative Energy Equipment)Later Stage VC$29.2M
Jan 2026CORXEL PharmaceuticalsLater Stage VC (Series D1)$287.0M
Jan 2026Kinaset TherapeuticsLater Stage VC (Series B)$103.0M
Jan 2026Parabilis MedicinesLater Stage VC (Series F)$305.0M
Jan 2026Diagonal TherapeuticsEarly Stage VC (Series B)$125.0M

Working numbers

the prospecting layer
Typical check
Check sizes, follow-on behavior, holding periods — what a pitch needs. Pro.Unlock working numbers
Team
66 people on record — 64 with verified contacts

Partners, principals, and the people who answer a pitch. Pro members reveal contacts with credits.

See the team →

Frequently asked

What companies does RA Capital Management invest in?
RA Capital Management has 90 recorded portfolio companies, including Halda Therapeutics, Stipple Bio, Freenome, Element Biosciences.
What is RA Capital Management's AUM?
RA Capital Management manages approximately $10.0B in assets.
Is RA Capital Management actively investing?
RA Capital Management's most recent recorded investment was in Feb 2026, with 31 investments in the last 12 months.