In Light of the Federal Reserve reiterating its policy of reinvesting the proceeds from bonds maturing in its portfolio (System Open Market Account), according to Ipreo's analysis almost $27 billion of the portfolio's Treasury and Agency bonds will mature in August. These bonds include $24 billion in Treasures and anotehr $2.7 billion in Agency securities. Here is a list of the top 10 positions as of August 3, 2011.