According to these filings, Starboard owns 11.63 million shares of Darden Restaurants Inc. (NYSE:DRI), and 46.36 million shares of Office Depot Inc. (NYSE:ODP). These positions are worth more than $560 million and $261 million, respectively, at current stock prices, and make of Starboard the largest hedge fund shareholder of record (amongst those we track) at both companies. Another hedge fund betting on both Darden Restaurants Inc. (NYSE:DRI) and Office Depot Inc. (NYSE:ODP) is Ken Griffin 's Citadel Investment Group, which owns 331,885 shares, and 968,525 shares, respectively. Disclosure: Javier Hasse holds no positions in any stocks or funds mentioned.