For details, please see http://www.federalreserve.gov/releases/h6/hist/
On March 23, 2006, the Board of Governors of the Federal Reserve System ceased publication of the M3 monetary aggregate and its components. For more information, please, refer to http://www.federalreserve.gov/releases/h6/discm3.htm.
** DISCONTINUED **
Release: H.6 Historical Data
Board of Governors of the Federal Reserve System (US), M3 Money Stock (DISCONTINUED SERIES) [WM3NS], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/WM3NS/, June 30, 2015.