Institutional Ownership Dominates Exelon Corporation with 88% Stake, Top Shareholders Include Vanguard Group and BlackRock.

Exelon Corporation is heavily dominated by institutional owners with 88% ownership. The group that holds the biggest piece of the pie are institutions. Institutional ownership tends to carry a lot of weight, especially with individual investors. The top 14 institutional owners have a combined ownership of 51% in the company.