Grupo Aeroportuario del Sureste stock falls 2.13 percent as traffic declines

Grupo Aeroportuario del Sureste stock was trading at USD 239.49 on the NYSE on September 23, 2026, down 2.13 percent from USD 244.71. The latest operating update showed 5.9 million passengers in August 2026, a 2.1 percent decline from August 2025, according to PR Newswire.

August traffic shows regional split

The passenger figure was uneven across ASUR's markets. According to PR Newswire, Colombia recorded a 4.0 percent increase, while Mexico fell 4.0 percent and Puerto Rico declined 5.1 percent.

The regional mix matters because international traffic in Mexico dropped 13.6 percent, while domestic traffic rose 4.1 percent. Colombia offered a counterweight, with domestic passengers up 5.8 percent and international traffic down 1.2 percent.

Acquisition expands airport footprint

ASUR completed its acquisition of Companhia de Participações em Concessões for USD 992.2 million on September 1, 2026. The transaction added 20 airports across Brazil, Costa Rica, Curaçao and Ecuador, as reported in the company filing carried by StockTitan.

The deal changes the scale of the airport platform while the August figures show the near-term operating pressure. For investors, the combination puts traffic recovery and integration execution alongside the stock's valuation as the key reference points.

Stock nears its yearly floor

At USD 239.49 on September 23, 2026, the stock stood 0.40 percent above its 52-week low of USD 238.54 and 37.23 percent below its 52-week high of USD 381.52. The market capitalization was USD 7,184,671,980 on the same quote date.