Spain's Abertis says company has not received offer for Cellnex

MADRID, May 31 (Reuters) - A spokeswoman for Spain's Abertis said on Wednesday that the company has not received an offer for its stake in Cellnex following a report that American Towers may be interested.

Bloomberg reported on Tuesday that American Towers is exploring a bid for the Spanish telecommunications tower operator to expand in Europe, though the offer depends on a successful merger of Abertis and Italy's Atlantia.

Cellnex said its management has had no contact with American Towers.

At 0745 GMT, Cellnex was up 6.53 percent, leading gains on the Ibex, down 0.09 percent. (Reporting by Robert Hetz; Writing by Paul Day; Editing by Rodrigo de Miguel)