Label	Description
Date						monthly, last business day of month
U.S. Government security repo (millions)	Total U.S. money market fund investment holdings of U.S. Government security repurchase agreements	millions of dollars
Other repo (millions)	 			Total U.S. money market fund investment holdings of other security repurchase agreements 	millions of dollars
Certificates of deposit (millions)  		Total U.S. money market fund investment holdings of	certificates of deposit	millions of dollars
Unsecured commercial paper (millions)  		Total U.S. money market fund investment holdings of unsecured commercial paper	millions of dollars
Asset-backed commercial paper (millions)  	Total U.S. money market fund investment holdings of asset-backed commercial paper	millions of dollars
Other instruments (millions)  			Total U.S. money market fund investment holdings of other instruments	millions of dollars