"Your humble servant is not there, so there's nothing to talk about," Putin said at a media forum.
Musician Sergei Roldugin, listed in the Panama Papers leak, did try to run a business, but not billion-dollar business, Vladimir Putin said.
"As for Sergei Pavlovich Roldugin…he is a very creative person. Many creative people in Russia, I don't know, maybe one in two if you look into it, try to do business. As far as I know, so did Sergei Pavlovich," Putin said at a media forum.
"But what kind of business is this? He is a minority shareholder in one of our companies and does earn some money there, but certainly not billions of dollars. This is nonsense, untrue," the president added.
Mossack Fonseca has refused to validate the information contained in the leaks and accused reporters of gaining unauthorized access to its proprietary documents.