8. SL Green Realty ( SLG) Company Profile: SL Green Realty is a New York-based real estate investment trust. Paulson's Investment: The hedge fund bought 1.4 million shares of SL Green Realty during the first quarter, ending with a market value of $105 million as of March 31. SL Green shares are up 25% this year. In late April, the company said first-quarter funds from operations, or FFO, surged 68% from a year ago. At the same time, SL Green announced that it had acquired the remaining interest of Viacom's ( VIA.B) headquarters in Times Square, which is valued at more than $1.2 billion.