Collective Health, which offers employers a health benefits management platform, raises $280M in funding at a $1.5B post-money valuation (John Tozzi/Bloomberg)

John Tozzi / Bloomberg:
Collective Health, which offers employers a health benefits management platform, raises $280M in funding at a $1.5B post-money valuation  —  Health-coverage IT firm raises $280 million from investors, including major seller of Blue Cross Blue Shield plans  —  Startup Collective Health …