# Who Invests With ArrowMark Partners: 21 Co-Investors (2026) > The 21 investors that have backed two or more of the same startups as ArrowMark Partners, by kind: private equity and asset managers and vc firms. Source: https://millionrounds.com/portfolio-maps/arrowmark-partners-co-investors (Millionrounds; every figure on the page links to its filing or article) ## Private equity and asset managers 11 - [OrbiMed](https://millionrounds.com/fund/orbimed) - [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) - [Vivo Capital](https://millionrounds.com/fund/vivo-capital) - [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) - [EcoR1 Capital](https://millionrounds.com/fund/ecor1-capital) - [Invus](https://millionrounds.com/fund/invus) - [Foresite Capital](https://millionrounds.com/fund/forsite-capital) - [Surveyor](https://millionrounds.com/fund/surveyor) - [Woodline Partners](https://millionrounds.com/fund/woodline-partners) - [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) - [Soleus Capital](https://millionrounds.com/fund/soleus-capital) ## VC firms 10 - [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) - [Wellington Management](https://millionrounds.com/fund/wellington-management) - [Fidelity](https://millionrounds.com/fund/fidelity) - [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) - [6 Dimensions Capital](https://millionrounds.com/fund/6-dimensions-capital) - [Casdin Capital](https://millionrounds.com/fund/casdin-capital) - [*BP* BVF Partners](https://millionrounds.com/fund/bvf-partners) - [Lilly Asia Ventures](https://millionrounds.com/fund/lilly-asia-ventures) - [Venrock](https://millionrounds.com/fund/venrock) - [Perceptive Ventures](https://millionrounds.com/fund/perceptive-ventures) ## Segment by segment ### Private equity and asset managers 11 investors - [**OrbiMed**](https://millionrounds.com/fund/orbimed) Private equity United States 4 backed - [**Perceptive Advisors**](https://millionrounds.com/fund/perceptive-advisors) Asset manager United States 4 backed - [**Vivo Capital**](https://millionrounds.com/fund/vivo-capital) Private equity United States 3 backed - [**RA Capital Management**](https://millionrounds.com/fund/ra-capital-management) Private equity United States 2 backed - [**EcoR1 Capital**](https://millionrounds.com/fund/ecor1-capital) Private equity United States 2 backed - [**Invus**](https://millionrounds.com/fund/invus) Private equity United States 2 backed - [**Foresite Capital**](https://millionrounds.com/fund/forsite-capital) Private equity United States 2 backed - [**Surveyor**](https://millionrounds.com/fund/surveyor) Private equity - 2 backed ### VC firms 10 investors - [**Alexandria Real Estate Equities**](https://millionrounds.com/fund/alexandria) VC firm United States 4 backed - [**Wellington Management**](https://millionrounds.com/fund/wellington-management) VC firm United States 3 backed - [**Fidelity**](https://millionrounds.com/fund/fidelity) VC firm United States 3 backed - [**New Enterprise Associates**](https://millionrounds.com/fund/new-enterprise-associates) VC firm United States 3 backed - [**6 Dimensions Capital**](https://millionrounds.com/fund/6-dimensions-capital) VC firm China 2 backed - [**Casdin Capital**](https://millionrounds.com/fund/casdin-capital) VC firm United States 2 backed - [*BP* **BVF Partners**](https://millionrounds.com/fund/bvf-partners) VC firm United States 2 backed - [**Lilly Asia Ventures**](https://millionrounds.com/fund/lilly-asia-ventures) VC firm Hong Kong SAR China 2 backed **How this map is made.** Every investor here has backed two or more of the same startups as ArrowMark Partners, in rounds we track. Grouped by kind, each ranked by how many startups it shares with ArrowMark Partners. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **ArrowMark Partners' Biotech portfolio** 13 startups ยท $2.8B](https://millionrounds.com/portfolio-maps/arrowmark-partners-biotech-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)[Co-investors **Who invests with General Atlantic** 207 co-investors](https://millionrounds.com/portfolio-maps/general-atlantic-co-investors)[Co-investors **Who invests with Pioneer Fund** 197 co-investors](https://millionrounds.com/portfolio-maps/pioneer-fund-2-co-investors)[Co-investors **Who invests with T. Rowe Price** 174 co-investors](https://millionrounds.com/portfolio-maps/t-rowe-price-co-investors) ## Raising from investors like ArrowMark Partners? Find the investors who back startups like yours, with their cheques, rounds and partners, in the app with filters, lists and exports. [Find investors](https://millionrounds.com/login?join=1&next=/app/investors)[Market maps](https://millionrounds.com/market-maps)