The total face value of U.S. Treasury securities held by the Federal Reserve. This total is broken out in the lines below. Purchases or sales of U.S. Treasury securities by the Federal Reserve Bank of New York (FRBNY) are made in the secondary market, or with various foreign official and international organizations that maintain accounts at the Federal Reserve. FRBNY's purchases or sales in the secondary market are conducted only through primary dealers.
Board of Governors of the Federal Reserve System (US), Assets: Securities Held Outright: U.S. Treasury Securities [WSHOTS], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WSHOTS, July 26, 2017.
Release: H.15 Selected Interest Rates
For further information regarding treasury constant maturity data, please refer to http://www.federalreserve.gov/releases/h15/current/h15.pdf and http://www.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/yieldmethod.aspx.
Board of Governors of the Federal Reserve System (US), 10-Year Treasury Inflation-Indexed Security, Constant Maturity [DFII10], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/DFII10, July 26, 2017.