RA Capital Management
200 Berkeley Street, 18th Floor, Boston, MA, 02116, United States
Overview
Investment advisor specializing in life sciences and drug development.
Founded
2004
Deals ยท 12mo
48
Stage focus
Geographic focus
Sector focus
Investment portfolio
| NAME | DATE | SIZE | |
|---|---|---|---|
Circle Pharma | Sep 2026Participated | $93 MSeries E | |
Solstice Oncology | Sep 2026Led | $225 MSeries A | |
Tectora Therapeutics | Sep 2026Led | $55 MSeries A | |
Superluminal Medicines | Sep 2026Participated | $60 MSeries B | |
Typewriter Therapeutics | Sep 2026Led | $56 MSeries A | |
Reframe Systems | Aug 2026Participated | $40 MOther Equity | |
AusperBio | Aug 2026Participated | $120 MSeries C | |
Abcuro | Aug 2026Participated | $66 MSeries D | |
Slate Medicines | Aug 2026Participated | $245 MOther Equity | |
Infinimmune | Aug 2026Participated | $75 MSeries A | |
Plantible Foods | Aug 2026Participated | $35 MDebt | |
LifeMine Therapeutics | Aug 2026Participated | $188 MSeries E | |
Circle Pharma | Sep 2026Participated | $93 MSeries E | |
Solstice Oncology | Sep 2026Led | $225 MSeries A | |
Tectora Therapeutics | Sep 2026Led | $55 MSeries A | |
Superluminal Medicines | Sep 2026Participated | $60 MSeries B | |
Typewriter Therapeutics | Sep 2026Led | $56 MSeries A | |
Reframe Systems | Aug 2026Participated | $40 MOther Equity | |
AusperBio | Aug 2026Participated | $120 MSeries C | |
Abcuro | Aug 2026Participated | $66 MSeries D | |
Slate Medicines | Aug 2026Participated | $245 MOther Equity | |
Infinimmune | Aug 2026Participated | $75 MSeries A | |
Plantible Foods | Aug 2026Participated | $35 MDebt | |
LifeMine Therapeutics | Aug 2026Participated | $188 MSeries E |
Insights
Time horizon
View by
Deal Distribution
| Round type | Led deals | Participated deals |
|---|---|---|
| Seed | 11 | 1 |
| Series A | 37 | 41 |
| Series B | 47 | 69 |
| Series C+ | 32 | 83 |
| Other Equity | 10 | 40 |
| Debt | 0 | 2 |
Monthly Deal Activity
| Month | Deals |
|---|---|
| May '10 | 1 |
| Jun '10 | 0 |
| Jul '10 | 0 |
| Aug '10 | 0 |
| Sep '10 | 0 |
| Oct '10 | 0 |
| Nov '10 | 0 |
| Dec '10 | 0 |
| Jan '11 | 0 |
| Feb '11 | 0 |
| Mar '11 | 0 |
| Apr '11 | 0 |
| May '11 | 0 |
| Jun '11 | 0 |
| Jul '11 | 0 |
| Aug '11 | 1 |
| Sep '11 | 0 |
| Oct '11 | 0 |
| Nov '11 | 0 |
| Dec '11 | 0 |
| Jan '12 | 0 |
| Feb '12 | 0 |
| Mar '12 | 0 |
| Apr '12 | 1 |
| May '12 | 0 |
| Jun '12 | 0 |
| Jul '12 | 1 |
| Aug '12 | 0 |
| Sep '12 | 0 |
| Oct '12 | 0 |
| Nov '12 | 0 |
| Dec '12 | 0 |
| Jan '13 | 0 |
| Feb '13 | 0 |
| Mar '13 | 0 |
| Apr '13 | 0 |
| May '13 | 0 |
| Jun '13 | 0 |
| Jul '13 | 0 |
| Aug '13 | 1 |
| Sep '13 | 1 |
| Oct '13 | 0 |
| Nov '13 | 0 |
| Dec '13 | 1 |
| Jan '14 | 1 |
| Feb '14 | 0 |
| Mar '14 | 2 |
| Apr '14 | 1 |
| May '14 | 1 |
| Jun '14 | 0 |
| Jul '14 | 0 |
| Aug '14 | 2 |
| Sep '14 | 0 |
| Oct '14 | 1 |
| Nov '14 | 1 |
| Dec '14 | 1 |
| Jan '15 | 2 |
| Feb '15 | 3 |
| Mar '15 | 3 |
| Apr '15 | 1 |
| May '15 | 2 |
| Jun '15 | 2 |
| Jul '15 | 3 |
| Aug '15 | 2 |
| Sep '15 | 1 |
| Oct '15 | 4 |
| Nov '15 | 0 |
| Dec '15 | 0 |
| Jan '16 | 0 |
| Feb '16 | 0 |
| Mar '16 | 0 |
| Apr '16 | 1 |
| May '16 | 1 |
| Jun '16 | 1 |
| Jul '16 | 1 |
| Aug '16 | 1 |
| Sep '16 | 0 |
| Oct '16 | 0 |
| Nov '16 | 2 |
| Dec '16 | 0 |
| Jan '17 | 2 |
| Feb '17 | 0 |
| Mar '17 | 2 |
| Apr '17 | 0 |
| May '17 | 0 |
| Jun '17 | 0 |
| Jul '17 | 0 |
| Aug '17 | 0 |
| Sep '17 | 0 |
| Oct '17 | 1 |
| Nov '17 | 1 |
| Dec '17 | 2 |
| Jan '18 | 1 |
| Feb '18 | 0 |
| Mar '18 | 3 |
| Apr '18 | 3 |
| May '18 | 1 |
| Jun '18 | 1 |
| Jul '18 | 1 |
| Aug '18 | 2 |
| Sep '18 | 2 |
| Oct '18 | 2 |
| Nov '18 | 1 |
| Dec '18 | 1 |
| Jan '19 | 2 |
| Feb '19 | 2 |
| Mar '19 | 2 |
| Apr '19 | 2 |
| May '19 | 1 |
| Jun '19 | 1 |
| Jul '19 | 1 |
| Aug '19 | 0 |
| Sep '19 | 2 |
| Oct '19 | 0 |
| Nov '19 | 0 |
| Dec '19 | 2 |
| Jan '20 | 4 |
| Feb '20 | 1 |
| Mar '20 | 2 |
| Apr '20 | 3 |
| May '20 | 2 |
| Jun '20 | 3 |
| Jul '20 | 3 |
| Aug '20 | 7 |
| Sep '20 | 1 |
| Oct '20 | 5 |
| Nov '20 | 3 |
| Dec '20 | 5 |
| Jan '21 | 7 |
| Feb '21 | 5 |
| Mar '21 | 7 |
| Apr '21 | 15 |
| May '21 | 4 |
| Jun '21 | 5 |
| Jul '21 | 4 |
| Aug '21 | 7 |
| Sep '21 | 6 |
| Oct '21 | 1 |
| Nov '21 | 3 |
| Dec '21 | 5 |
| Jan '22 | 3 |
| Feb '22 | 8 |
| Mar '22 | 2 |
| Apr '22 | 7 |
| May '22 | 0 |
| Jun '22 | 2 |
| Jul '22 | 2 |
| Aug '22 | 0 |
| Sep '22 | 2 |
| Oct '22 | 1 |
| Nov '22 | 6 |
| Dec '22 | 0 |
| Jan '23 | 1 |
| Feb '23 | 2 |
| Mar '23 | 3 |
| Apr '23 | 3 |
| May '23 | 4 |
| Jun '23 | 0 |
| Jul '23 | 2 |
| Aug '23 | 5 |
| Sep '23 | 5 |
| Oct '23 | 6 |
| Nov '23 | 2 |
| Dec '23 | 0 |
| Jan '24 | 0 |
| Feb '24 | 8 |
| Mar '24 | 3 |
| Apr '24 | 6 |
| May '24 | 7 |
| Jun '24 | 2 |
| Jul '24 | 2 |
| Aug '24 | 5 |
| Sep '24 | 3 |
| Oct '24 | 4 |
| Nov '24 | 5 |
| Dec '24 | 1 |
| Jan '25 | 2 |
| Feb '25 | 2 |
| Mar '25 | 2 |
| Apr '25 | 2 |
| May '25 | 2 |
| Jun '25 | 2 |
| Jul '25 | 1 |
| Aug '25 | 2 |
| Sep '25 | 2 |
| Oct '25 | 3 |
| Nov '25 | 2 |
| Dec '25 | 4 |
| Jan '26 | 5 |
| Feb '26 | 4 |
| Mar '26 | 6 |
| Apr '26 | 2 |
| May '26 | 4 |
| Jun '26 | 4 |
| Jul '26 | 1 |
| Aug '26 | 8 |
| Sep '26 | 5 |
| Oct '26 | 0 |
Sector Breakdown
A deal can appear in multiple sectors, so sector totals may overlap. Capital represents disclosed total round sizes, not fund cheque sizes.
| Sector | Deals |
|---|---|
| Health & Life Sciences | 366 |
| Manufacturing | 11 |
| Consumer & Lifestyle | 9 |
| Space & Frontier Tech | 8 |
| AI & Machine Learning | 8 |
| Clean Energy & Sustainability | 6 |
| Food & Agriculture | 4 |
| Hardware & Robotics | 3 |
| Professional Services | 3 |
| Developer Tools | 3 |
| Enterprise Software | 2 |
| Real Estate & Construction | 2 |
| Networks, Cloud & Communication | 2 |
| Fintech | 1 |
| Social & Community Platforms | 1 |
Deal Size Distribution
Undisclosed round sizes are excluded. Capital represents total round sizes, not fund cheque sizes.
| Round size band (USD) | Deals |
|---|---|
| <$5M | 3 |
| $5M-$10M | 8 |
| $10M-$25M | 22 |
| $25M-$50M | 68 |
| $50M-$100M | 123 |
| $100M-$250M | 133 |
| $250M-$500M | 14 |
| $500M-$1B | 2 |
| $1B+ | 0 |
Deals By Geography
Top 9 of 9 regions; European countries are grouped as Europe.
| Region | Deals |
|---|---|
| United States | 313 |
| Europe | 44 |
| China | 6 |
| Canada | 3 |
| Israel | 2 |
| Australia | 2 |
| India | 1 |
| 01801 | 1 |
| V5t 1m4 | 1 |
Co-Investors
Bubble size = shared deals
Click a bubble to open that fund in a new tab.
Shows up to 20 co-investors ranked by shared deals. Deals may be shared with multiple funds, so rows overlap. Capital is total round size, not fund cheque size.
| Co-investor | Shared deals |
|---|---|
| OrbiMed | 62 |
| Janus Henderson Investors | 60 |
| Cormorant Asset Management | 41 |
| Logos Capital | 41 |
| Surveyor Capital | 39 |
| Perceptive Advisors | 38 |
| BVF Partners | 34 |
| Venrock | 34 |
| Rock Springs Capital | 32 |
| Wellington Management | 30 |
| Deerfield Management | 29 |
| Boxer Capital | 28 |
| T. Rowe Price Associates | 27 |
| Atlas Venture | 26 |
| Novo Holdings | 26 |
| Deep Track Capital | 25 |
| RTW Investments | 25 |
| Foresite Capital | 24 |
| Invus | 24 |
| Samsara BioCapital | 24 |
Investment Strategy
| Category | Deals (count) | Share (%) |
|---|---|---|
| Led | 137 | 37% |
| Participating | 236 | 63% |
| Category | Deals (count) | Share (%) |
|---|---|---|
| Single-lead | 71 | 52% |
| Co-led | 66 | 48% |
Team
VP, Head of Biology
Co-Founder
President & Chief Executive Officer
Team member
Principal
Venture Senior Associate
Financial Consultant
Partner
Venture Partner
SVP, Head of Business & Operations