Dimensional Fund Advisors LP grew its position in shares of CME Group by 2.8% during the fourth quarter. Dimensional Fund Advisors LP now owns 1,095,106 shares of the financial services provider's stock worth $254,314,000 after acquiring an additional 29,662 shares during the last quarter. Finally, Bank of Nova Scotia Trust Co. boosted its stake in CME Group by 8.0% during the 4th quarter. Bank of Nova Scotia Trust Co. now owns 24,619 shares of the financial services provider's stock valued at $5,717,000 after purchasing an additional 1,817 shares during the period. 87.75% of the stock is currently owned by hedge funds and other institutional investors.