Shields Health Solutions Receives Equity Investments From Welsh, Carson, Anderson & Stowe and Walgreen Co. STOUGHTON, Mass. & NEW YORK & DEERFIELD, Ill., July 31, 2019-- Shields Health Solutions, Welsh, Carson, Anderson & Stowe (“WCAS”) and Walgreen Co. (“Walgreens”) today announced the parties have entered into a definitive agreement through which WCAS and Walgreens will make equity investments in Shields. Terms of the agreement were not disclosed. Shields, the nation’s leader in patient-centric, integrated, hospital-owned specialty pharmacy care is taking on the investments as Shields continues to accelerate its national expansion.