A Washington, D.C.-based real estate firm has purchased a preferred equity stake in the new 429,122-square-foot Conshohocken headquarters for AmerisourceBergen Corp. The office building is part of the 520,000-sqyare-foot SORA West project under development by Keystone Property Group. AmerisourceBergen is a leading global healthcare company, with a foundation in pharmaceutical distribution and solutions for manufacturers, pharmacies and providers. The company will be consolidating from two nearby office buildings in Conshohocken as well as its current headquarter spaces in Chesterbrook. - Advertisement - AmerisourceBergenâs new headquarters will serve as an anchor for the SORA mixed-use development . The 11-story building includes office and amenity space as well as two levels of parking, according to a press release announcing the deal.