Quarterly report pursuant to Section 13 or 15(d)

Trading Securities, at Fair Value

 v2.3.0.11
Trading Securities, at Fair Value
6 Months Ended
Jun. 30, 2011
Trading Securities, at Fair Value [Abstract]  
Trading Securities, at Fair Value
Trading Securities, at Fair Value
During the six months ended June 30, 2011, the Company acquired and sold U.S. Treasuries in its taxable REIT subsidiary and classified these securities as trading instruments due to its short-term investment objectives. As of June 30, 2011 and December 31, 2010, the Company held U.S. Treasuries with an amortized cost of $1.0 billion and $200.0 million and a fair value $1.0 billion and $199.5 million, respectively, classified as trading securities. The unrealized gains and losses included within trading securities was a positive $1.8 million as of June 30, 2011 and a negative $0.5 million as of December 31, 2010.
For the three and six months ended June 30, 2011, the Company sold trading securities for $300.6 million and $500.1 million with an amortized cost of $299.4 million and $499.4 million resulting in realized gains of $1.2 million and $0.7 million, respectively, on the sale of these investment securities. For the three and six months ended June 30, 2011, trading securities experienced unrealized gains of $1.9 million and $2.3 million, respectively. Both realized and unrealized gains are recorded as a component of gains on investment securities, net in the Company's consolidated statement of income.
At June 30, 2011, the Company pledged trading securities with a carrying value of $1.0 billion as collateral for repurchase agreements. See Note 9 - Repurchase Agreements.