Label	Description
Date						monthly frequency
Country						domicile country or region of security issuer
By fund type; Total exposure; All MMFs	       	U.S. money market fund total investment holdings by all funds	millions of dollars
By fund type; Total exposure; Prime funds      	U.S. money market fund investment holdings by prime funds	millions of dollars
By fund type; Total exposure; Government funds 	U.S. money market fund investment holdings by government funds	millions of dollars
By fund type; Total exposure; Municipal funds  	U.S. money market fund investment holdings by tax-exempt funds	millions of dollars
By instrument; Direct debt; Total		U.S. money market fund investment holdings by instrument type direct debt, total direct debt	millions of dollars
By instrument; Direct debt; CP and CDs		U.S. money market fund investment holdings by instrument type direct debt, commercial paper and certificates of deposit	millions of dollars
By instrument; Direct debt; Other  		U.S. money market fund investment holdings by instrument type direct debt, other direct debt	    millions of dollars
By instrument; Repo by collateral type; Total 	U.S. money market fund investment holdings by instrument type security repurchase agreements, all collateral types	millions of dollars
By instrument; Repo by collateral type; U.S. Treasury	 U.S. money market fund investment holdings by instrument type security repurchase agreements, U.S. Treasury securities as collateral	millions of dollars
By instrument; Repo by collateral type; U.S. Agency	 U.S. money market fund investment holdings by instrument type security repurchase agreements, U.S. governemnt agency and government sponsored enterprise backed securities as collateral	  millions of dollars
By instrument; Repo by collateral type; Other	 U.S. money market fund investment holdings by instrument type security repurchase agreements, other securities as collateral millions of dollars
By instrument; Asset-Backed Commercial Paper	 U.S. money market fund investment holdings by instrument type asset-backed commercial paper   millions of dollars
By instrument; Other	    			U.S. money market fund investment holdings by instrument type other instruments	  millions of dollars
By maturity; Maturity in days; O/N     		U.S. money market fund investment holdings by maturity, overnight maturity	  millions of dollars
By maturity; Maturity in days; 2-7 days	    U.S. money market fund investment holdings by maturity, 2 to 7 days	 millions of dollars
By maturity; Maturity in days; 8-30 days    U.S. money market fund investment holdings by maturity, 8 to 30 days	 millions of dollars
By maturity; Maturity in days; >30 days	    U.S. money market fund investment holdings by maturity, greater than 30 days millions of dollars
By maturity; Weighted-average life in days  U.S. money market fund investment holdings weighted-average life in days	 days