Pureos Bioventures | 3,194 followers on LinkedIn. Pureos is a venture capital fund investing in private innovative drug development companies | Pureos Bioventures is a venture capital fund, which invests exclusively in private innovative drug development companies, with a special emphasis on the next generation of biological drugs and drug formats. The fund’s portfolio companies are built on scientific excellence to develop therapies across a broad indication spectrum including oncology, immunology, ophthalmology, rare diseases, and neuroscience. Pureos has built a team with deep investment, operating and clinical expertise, that strives to impact patients’ lives by advancing innovative treatments for devastating diseases.