Mexico's Grupo Aeroportuario del Centro Norte (OMA) said that a unit of construction firm ICA had sold a 2.9 percent stake in the airport operator.
In total, ICA unit Aeroinvest sold 11,581,300 series B shares of OMA, the airport operator said in a statement. OMA's stock closed down 4.35 percent at 83.62 pesos per share.
At OMA's closing price on Thursday, the shares sold by Aeroinvest would have been worth some 968.43 million pesos (US$59.34 million) according to Reuters data.