Foreign central banks' US debt holdings rise-Fed

NEW YORK Oct 28 (Reuters) - Foreign central banks' overall holdings of U.S. marketable securities at the Federal Reserve rose in the latest week, data from the U.S. central bank showed on Thursday.

The Fed said its holdings of U.S. Treasury securities kept for overseas central banks rose $18.55 billion in the week ended Oct. 27 to stand at $3.300 trillion.

The breakdown of custody holdings showed overseas central banks' holdings of Treasury debt rose by $20.81 billion to stand at $2.570 trillion.

However, the foreign institutions' holdings of securities issued or guaranteed by the biggest U.S. mortgage financing agencies, including Fannie Mae (FNMA.OB) and Freddie Mac (FMCC.OB), fell $2.26 billion to stand at $730.7 billion.

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For balance sheet graphic: link.reuters.com/buf92k

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Overseas central banks, particularly those in Asia, have been huge buyers of U.S. debt in recent years and own more than a quarter of marketable Treasuries. China and Japan are the biggest two holders of Treasuries.

The full Fed report can be found on: here

(Reporting by Gertrude Chavez-Dreyfuss; Editing by Padraic Cassidy)