There are presently around $101.21%, or 102.67%% of PENN stock, in the hands of institutional investors. The top three institutional holders of PENN stocks are: BLACKROCK INC. with ownership of 18.13 million shares, which is approximately 11.9169%. VANGUARD GROUP INC, holding 16.5 million shares of the stock with an approximate value of $$319.29 million in PENN stocks shares; and VANGUARD GROUP INC, currently with $$280.65 million in PENN stock with ownership which is approximately 9.5332%.