"CVS Health: Redefining the Value Proposition" explores how a company can use shared value as a lens to think about competition and strategy choices in a challenging and evolving industry. The case takes a historical look at the structure of the retail pharmacy industry and the changing nature of rivalry among competitors. The case examines how CVS was able to surpass the long-time industry leader, Walgreens, and highlights CVS Health's shift in strategy starting in the mid-2000s.