(Reuters) - Blackstone Real Estate Partners and co-investors have agreed to sell BioMed Realty for $14.6 billion to a group led by existing BioMed investors, Blackstone Group Inc BX.N said on Thursday. Blackstone had agreed to buy BioMed Realty, a supplier of office space to healthcare companies, in late 2015 in a deal valued at $8 billion. (reut.rs/341V5a3) Blackstone said on Thursday it is commencing a “go-shop” process on behalf of BioMed’s current investors, with the recapitalization expected to close within five business days after the process concludes.