French newspaper Les Echos said it had been told by AMF that PepsiCo had informed the market regulator that "it was not preparing any such operation at the moment."
Rumors of a bid pushed Danone's shares up more than 20% in the middle of July.
The possibility of Danone being the subject of a takeover from a U.S. firm also prompted French politicians, including President Jacques Chirac, to issue a string of warnings against any such move.