An investor group led by Frazier Healthcare VI LP will pay $308 million for AmerisourceBergin Corp.’s (NYSE: ABC) contract packaging business, AndersonBrecon.

The investor group includes affiliates of Greenspring Associates, QIC Global Private Equity and Thomas McNerney & Partners.

AmerisourceBergin will focus on its distribution, specialty and manufacturing business. Rockford, Ill.-based AndersonBrecon focuses on pharmaceutical packaging.

In June 2012, Frazier Healthcare acquired the pharmaceutical packaging operations of Catalent Pharma Solutions, which it operates as Packaging Coordinators Inc. AndersonBrecon will be combined with Packaging Coordinators.

Frazier Healthcare, based in Seattle, provides venture capital and private equity investments to healthcare companies.