# Who Invests With Pfizer: 43 Co-Investors (2026) > The 43 investors that have backed two or more of the same startups as Pfizer, by kind: vc firms, private equity and asset managers and corporate investors. Source: https://millionrounds.com/portfolio-maps/pfizer-co-investors (Millionrounds; every figure on the page links to its filing or article) ## VC firms 27 - [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) - [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) - [Venrock](https://millionrounds.com/fund/venrock) - [Deerfield](https://millionrounds.com/fund/deerfield) - [Polaris Partners](https://millionrounds.com/fund/polaris-partners) - [Sofinnova Partners](https://millionrounds.com/fund/sofinnova-partners) - [Innovate UK](https://millionrounds.com/fund/innovate-uk) - [Novo Holdings](https://millionrounds.com/fund/novo-ventures) - [Wellington Management](https://millionrounds.com/fund/wellington-management) - [Atlas Venture](https://millionrounds.com/fund/atlas-venture) - [*LV* Lundbeckfond Ventures](https://millionrounds.com/fund/lundbeckfond-ventures) - [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) - [Domain Associates](https://millionrounds.com/fund/domain-associates) - [Arboretum Ventures](https://millionrounds.com/fund/arboretum-ventures) - [InterWest Partners](https://millionrounds.com/fund/interwest-partners) - [IP Group](https://millionrounds.com/fund/ip-group) - [*II* Imperial Innovations Investment Management](https://millionrounds.com/fund/imperial-innovations-investment-management) - [Omega Funds](https://millionrounds.com/fund/omega-funds) - [KurmaPartners](https://millionrounds.com/fund/kurmapartners) - [Bay City Capital](https://millionrounds.com/fund/bay-city-capital) - [Lightstone Ventures](https://millionrounds.com/fund/lightstone-ventures) - [Bill Gates](https://millionrounds.com/fund/bill-gates) - [Third Rock Ventures](https://millionrounds.com/fund/third-rock-ventures) - [Sofinnova Investments](https://millionrounds.com/fund/sofinnova-investments) +3 more ## Private equity and asset managers 9 - [OrbiMed](https://millionrounds.com/fund/orbimed) - [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) - [MPM Capital](https://millionrounds.com/fund/mpm-bioimpact) - [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) - [*BC* Bain Capital Life Sciences](https://millionrounds.com/fund/bain-capital-life-sciences) - [Rock Springs Capital](https://millionrounds.com/fund/rock-springs-capital) - [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) - [TPG](https://millionrounds.com/fund/tpg) - [Baird Capital](https://millionrounds.com/fund/baird-capital) ## Corporate investors 7 - [SR One](https://millionrounds.com/fund/sr-one) - [AbbVie](https://millionrounds.com/fund/abbvie) - [Roche Venture Fund](https://millionrounds.com/fund/roche-venture-fund) - [Novartis Venture Fund](https://millionrounds.com/fund/novartis-venture-fund) - [Eli Lilly](https://millionrounds.com/fund/eli-lilly) - [Ipsen](https://millionrounds.com/fund/ipsen) - [Johnson & Johnson Robotics and Digital Solutions](https://millionrounds.com/fund/johnson-and-johnson-robotics-and-digital-solutions) ## Segment by segment ### VC firms 27 investors - [**New Enterprise Associates**](https://millionrounds.com/fund/new-enterprise-associates) VC firm United States 7 backed - [**Alexandria Real Estate Equities**](https://millionrounds.com/fund/alexandria) VC firm United States 6 backed - [**Venrock**](https://millionrounds.com/fund/venrock) VC firm United States 5 backed - [**Deerfield**](https://millionrounds.com/fund/deerfield) VC firm United States 4 backed - [**Polaris Partners**](https://millionrounds.com/fund/polaris-partners) VC firm United States 3 backed - [**Sofinnova Partners**](https://millionrounds.com/fund/sofinnova-partners) VC firm France 3 backed - [**Innovate UK**](https://millionrounds.com/fund/innovate-uk) VC firm United Kingdom 3 backed - [**Novo Holdings**](https://millionrounds.com/fund/novo-ventures) VC firm Denmark 3 backed ### Private equity and asset managers 9 investors - [**OrbiMed**](https://millionrounds.com/fund/orbimed) Private equity United States 6 backed - [**RA Capital Management**](https://millionrounds.com/fund/ra-capital-management) Private equity United States 4 backed - [**MPM Capital**](https://millionrounds.com/fund/mpm-bioimpact) Private equity United States 3 backed - [**Perceptive Advisors**](https://millionrounds.com/fund/perceptive-advisors) Asset manager United States 3 backed - [*BC* **Bain Capital Life Sciences**](https://millionrounds.com/fund/bain-capital-life-sciences) Private equity United States 2 backed - [**Rock Springs Capital**](https://millionrounds.com/fund/rock-springs-capital) Hedge fund United States 2 backed - [**Forbion Capital Partners**](https://millionrounds.com/fund/forbion-capital-partners) Private equity Netherlands 2 backed - [**TPG**](https://millionrounds.com/fund/tpg) Private equity United States 2 backed ### Corporate investors 7 investors - [**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 - [**Roche Venture Fund**](https://millionrounds.com/fund/roche-venture-fund) Corporate investor Switzerland 4 backed - [**Novartis Venture Fund**](https://millionrounds.com/fund/novartis-venture-fund) Corporate investor Switzerland 4 backed - [**Eli Lilly**](https://millionrounds.com/fund/eli-lilly) Corporate investor United States 3 backed - [**Ipsen**](https://millionrounds.com/fund/ipsen) Corporate investor France 2 backed - [**Johnson & Johnson Robotics and Digital Solutions**](https://millionrounds.com/fund/johnson-and-johnson-robotics-and-digital-solutions) Corporate investor United States 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as Pfizer, in rounds we track. Grouped by kind, each ranked by how many startups it shares with Pfizer. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Pfizer's Biotech portfolio** 45 startups ยท $5.4B](https://millionrounds.com/portfolio-maps/pfizer-biotech-portfolio)[Co-investors **Who invests with Google Ventures** 712 co-investors](https://millionrounds.com/portfolio-maps/gv-co-investors)[Co-investors **Who invests with Salesforce Ventures** 532 co-investors](https://millionrounds.com/portfolio-maps/salesforce-ventures-co-investors)[Co-investors **Who invests with Intel Capital** 376 co-investors](https://millionrounds.com/portfolio-maps/intel-capital-co-investors)[Co-investors **Who invests with Coinbase Ventures** 259 co-investors](https://millionrounds.com/portfolio-maps/coinbase-co-investors)[Co-investors **Who invests with Endeavor Catalyst** 214 co-investors](https://millionrounds.com/portfolio-maps/endeavor-catalyst-co-investors) ## Raising from investors like Pfizer? 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