totalmarketcap

Largest companies in Turkey

The 3 companies domiciled in Turkey that trade on a US exchange, ranked by market capitalisation. Domicile comes from each company's own SEC filing, so a company headquartered here but listed only on its home market does not appear.

Combined market cap

$5.653 B

0.01% of all US-listed value

Companies

3

Ranked #43 of 55 countries

Largest

Turkcell Iletisim Hizmetleri A S

TKC ยท market cap

Average

$1.884 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1Turkcell Iletisim Hizmetleri A STKC$4.57B$5.19+0.39% Turkey
2D-MARKET Electronic Services & TradingHEPS$914.5M$2.56+2.81% Turkey
3Marti TechnologiesMRT$171.2M$1.99+2.58% Turkey

All 3 companies. One row per company, with secondary share classes folded into their primary listing. Updated 23 Sept 2026.

Other countries

Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.