ASELSAN becomes Turkey's most valuable company and enters Europe's top 20

ASELSAN has emerged as the most valuable company in Turkey and has secured a position among the top 20 most valuable companies in Europe. As of October 15, 2026, the Turkish defense electronics firm reached a market capitalization of approximately 1.60 trillion TL (roughly 32.4 billion USD).

In the Turkish market, ASELSAN leads the rankings on Borsa Istanbul, followed by QNB Bank, Tüpraş, Garanti BBVA, and Koç Holding. The top five companies in Turkey all maintain market values exceeding 10 billion USD. The banking sector shows significant presence among the top 20 most valuable Turkish firms.

On a continental scale, the Dutch semiconductor company ASML remains Europe's most valuable company with a market cap exceeding 670 billion USD. ASELSAN's entry into the European top 20 highlights its standing in the defense, radar, and advanced technology sectors, despite a slight decrease from its previous peak of 35.60 billion USD.