# Who Invests With RA Capital Management: 152 Co-Investors (2026)

> The 152 investors that have backed two or more of the same startups as RA Capital Management, by kind: vc firms, private equity and asset managers and...

Source: https://millionrounds.com/portfolio-maps/ra-capital-management-co-investors (Millionrounds; every figure on the page links to its filing or article)

## VC firms

97

- [Wellington Management](https://millionrounds.com/fund/wellington-management)
- [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital)
- [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates)
- [Venrock](https://millionrounds.com/fund/venrock)
- [TCG Crossover](https://millionrounds.com/fund/tcg-crossover)
- [Fidelity](https://millionrounds.com/fund/fidelity)
- [Novo Holdings](https://millionrounds.com/fund/novo-ventures)
- [Sanofi](https://millionrounds.com/fund/sanofi)
- [Catalio Capital Management](https://millionrounds.com/fund/catalio-capital-management)
- [Deerfield](https://millionrounds.com/fund/deerfield)
- [Redmile Group](https://millionrounds.com/fund/redmile-group)
- [Canaan](https://millionrounds.com/fund/canaan-partners)
- [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners)
- [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz)
- [Qiming Venture Partners](https://millionrounds.com/fund/qiming-venture-partners)
- [Atlas Venture](https://millionrounds.com/fund/atlas-venture)
- [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria)
- [5AM Ventures](https://millionrounds.com/fund/5am-ventures)
- [Versant Ventures](https://millionrounds.com/fund/versant-ventures)
- [Omega Funds](https://millionrounds.com/fund/omega-funds)
- [Longwood Fund](https://millionrounds.com/fund/longwood-fund)
- [Third Rock Ventures](https://millionrounds.com/fund/third-rock-ventures)
- [Longitude Capital](https://millionrounds.com/fund/longitude-capital)
- [Founders Fund](https://millionrounds.com/fund/founders-fund)

+73 more

## Private equity and asset managers

32

- [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors)
- [OrbiMed](https://millionrounds.com/fund/orbimed)
- [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors)
- [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management)
- [Vivo Capital](https://millionrounds.com/fund/vivo-capital)
- [Foresite Capital](https://millionrounds.com/fund/forsite-capital)
- [TCG](https://millionrounds.com/fund/tcg)
- [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners)
- [Invus](https://millionrounds.com/fund/invus)
- [*BC* Bain Capital Life Sciences](https://millionrounds.com/fund/bain-capital-life-sciences)
- [BlackRock](https://millionrounds.com/fund/blackrock)
- [Sands Capital Ventures](https://millionrounds.com/fund/sands-capital-ventures)
- [Franklin Templeton](https://millionrounds.com/fund/franklin-templeton)
- [Blue Owl](https://millionrounds.com/fund/blue-owl)
- [Rock Springs Capital](https://millionrounds.com/fund/rock-springs-capital)
- [*SC* Sabby Capital](https://millionrounds.com/fund/sabby-capital)
- [General Atlantic](https://millionrounds.com/fund/general-atlantic)
- [Mubadala](https://millionrounds.com/fund/mubadala)
- [TPG](https://millionrounds.com/fund/tpg)
- [Andera Partners](https://millionrounds.com/fund/andera-partners)
- [Deep Track Capital](https://millionrounds.com/fund/deep-track-capital)
- [MPM Capital](https://millionrounds.com/fund/mpm-bioimpact)
- [*AB* Avego Bioscience Capital](https://millionrounds.com/fund/avego-bioscience-capital)
- [Frazier Healthcare Partners](https://millionrounds.com/fund/frazier-healthcare-partners)

+8 more

## Corporate investors

11

- [Eli Lilly](https://millionrounds.com/fund/eli-lilly)
- [Google Ventures](https://millionrounds.com/fund/gv)
- [Novartis Venture Fund](https://millionrounds.com/fund/novartis-venture-fund)
- [SR One](https://millionrounds.com/fund/sr-one)
- [AbbVie](https://millionrounds.com/fund/abbvie)
- [Pfizer](https://millionrounds.com/fund/pfizer)
- [Leaps by Bayer](https://millionrounds.com/fund/leaps-by-bayer)
- [TDK Ventures](https://millionrounds.com/fund/tdk-ventures)
- [Lilly Ventures](https://millionrounds.com/fund/lilly-ventures)
- [Sanofi-Genzyme BioVentures](https://millionrounds.com/fund/sanofi-genzyme-bioventures)
- [Kaiser Permanente Ventures](https://millionrounds.com/fund/kaiser-permanente-ventures)

## Growth funds

7

- [RTW Investments LLC](https://millionrounds.com/fund/rtw-investments-lp)
- [Jennison Associates](https://millionrounds.com/fund/jennison-associates)
- [Fidelity Management and Research Company](https://millionrounds.com/fund/fidelity-management-and-research-company)
- [Lilly Ventures](https://millionrounds.com/fund/lilly-ventures-2)
- [Partner Fund Management (PFM)](https://millionrounds.com/fund/partner-fund-management-pfm)
- [*HH* HBM Healthcare](https://millionrounds.com/fund/hbm-healthcare)
- [Ares Management](https://millionrounds.com/fund/ares-management)

## Government funds

5

- [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno)
- [Bpifrance](https://millionrounds.com/fund/bpifrance)
- [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations)
- [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health)
- [European Investment Bank](https://millionrounds.com/fund/european-investment-bank)

## Segment by segment

### VC firms

97 investors

- [**Wellington Management**](https://millionrounds.com/fund/wellington-management) VC firm United States 31 backed
- [**Samsara BioCapital**](https://millionrounds.com/fund/samsara-biocapital) VC firm United States 20 backed
- [**New Enterprise Associates**](https://millionrounds.com/fund/new-enterprise-associates) VC firm United States 19 backed
- [**Venrock**](https://millionrounds.com/fund/venrock) VC firm United States 18 backed
- [**TCG Crossover**](https://millionrounds.com/fund/tcg-crossover) VC firm United States 18 backed
- [**Fidelity**](https://millionrounds.com/fund/fidelity) VC firm United States 16 backed
- [**Novo Holdings**](https://millionrounds.com/fund/novo-ventures) VC firm Denmark 15 backed
- [**Sanofi**](https://millionrounds.com/fund/sanofi) Investment firm France 14 backed

### Private equity and asset managers

32 investors

- [**Janus Henderson Investors**](https://millionrounds.com/fund/janus-henderson-investors) Private equity United Kingdom 62 backed
- [**OrbiMed**](https://millionrounds.com/fund/orbimed) Private equity United States 40 backed
- [**Perceptive Advisors**](https://millionrounds.com/fund/perceptive-advisors) Asset manager United States 34 backed
- [**Cormorant Asset Management**](https://millionrounds.com/fund/cormorant-asset-management) Private equity United States 32 backed
- [**Vivo Capital**](https://millionrounds.com/fund/vivo-capital) Private equity United States 30 backed
- [**Foresite Capital**](https://millionrounds.com/fund/forsite-capital) Private equity United States 21 backed
- [**TCG**](https://millionrounds.com/fund/tcg) Private equity United States 17 backed
- [**Forbion Capital Partners**](https://millionrounds.com/fund/forbion-capital-partners) Private equity Netherlands 15 backed

### Corporate investors

11 investors

- [**Eli Lilly**](https://millionrounds.com/fund/eli-lilly) Corporate investor United States 12 backed
- [**Google Ventures**](https://millionrounds.com/fund/gv) Corporate investor United States 10 backed
- [**Novartis Venture Fund**](https://millionrounds.com/fund/novartis-venture-fund) Corporate investor Switzerland 6 backed
- [**SR One**](https://millionrounds.com/fund/sr-one) Corporate investor United States 5 backed
- [**AbbVie**](https://millionrounds.com/fund/abbvie) Corporate investor United States 4 backed
- [**Pfizer**](https://millionrounds.com/fund/pfizer) Corporate investor United States 4 backed
- [**Leaps by Bayer**](https://millionrounds.com/fund/leaps-by-bayer) Corporate investor Germany 2 backed
- [**TDK Ventures**](https://millionrounds.com/fund/tdk-ventures) Corporate investor United States 2 backed

### Growth funds

7 investors

- [**RTW Investments LLC**](https://millionrounds.com/fund/rtw-investments-lp) Growth fund United States 22 backed
- [**Jennison Associates**](https://millionrounds.com/fund/jennison-associates) Growth fund United States 3 backed
- [**Fidelity Management and Research Company**](https://millionrounds.com/fund/fidelity-management-and-research-company) Growth fund United States 2 backed
- [**Lilly Ventures**](https://millionrounds.com/fund/lilly-ventures-2) Growth fund India 2 backed
- [**Partner Fund Management (PFM)**](https://millionrounds.com/fund/partner-fund-management-pfm) Growth fund United States 2 backed
- [*HH* **HBM Healthcare**](https://millionrounds.com/fund/hbm-healthcare) Growth fund - 2 backed
- [**Ares Management**](https://millionrounds.com/fund/ares-management) Growth fund United States 2 backed

### Government funds

5 investors

- [**National Science Foundation**](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government fund United States 7 backed
- [**Bpifrance**](https://millionrounds.com/fund/bpifrance) Government fund France 4 backed
- [**Connecticut Innovations**](https://millionrounds.com/fund/connecticut-innovations) Government fund United States 3 backed
- [**National Institutes of Health**](https://millionrounds.com/fund/national-institutes-of-health) Government fund United States 2 backed
- [**European Investment Bank**](https://millionrounds.com/fund/european-investment-bank) Government fund Luxembourg 2 backed

**How this map is made.** Every investor here has backed two or more of the same startups as RA Capital Management, in rounds we track. Grouped by kind, each ranked by how many startups it shares with RA Capital Management. Rebuilt nightly; updated 15 November 2026.

## More portfolio maps

[All portfolios](https://millionrounds.com/portfolio-maps)

[Portfolio map **RA Capital Management portfolio map** 264 startups · $48B](https://millionrounds.com/portfolio-maps/ra-capital-management-portfolio-map)[Sector portfolio **RA Capital Management's Biotech portfolio** 197 startups · $38B](https://millionrounds.com/portfolio-maps/ra-capital-management-biotech-portfolio)[Sector portfolio **RA Capital Management's Pharma portfolio** 44 startups · $8.1B](https://millionrounds.com/portfolio-maps/ra-capital-management-pharma-portfolio)[Sector portfolio **RA Capital Management's Healthtech portfolio** 10 startups · $1.2B](https://millionrounds.com/portfolio-maps/ra-capital-management-healthtech-portfolio)[Co-investors **Who invests with Gaingels** 610 co-investors](https://millionrounds.com/portfolio-maps/gaingels-co-investors)[Co-investors **Who invests with Goldman Sachs** 398 co-investors](https://millionrounds.com/portfolio-maps/goldman-sachs-co-investors)

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