Related: How much longer does McDonald's CEO have? EBay was Jana's second-largest U.S. equity holding as of the third quarter behind drugstore-chain Walgreen Co. Billionaire activist investor Carl Icahn also has built up a stake in EBay and has been pressing for a sale of its payments unit PayPal. Jana also purchased about 842,000 shares of McDonald's in the quarter valued at $79.9 million as of Sept. 30. Shares of the Oak Brook, Illinois-based company climbed 1.5 percent to $96.95 at 10:14 a.m. in New York.