Istanbul Top Companies List by Market Cap as of August 2026

Istanbul Top Companies List by Market Cap as of August 2026, Istanbul Biggest 500 Companies List by Market Cap, Istanbul Largest 500 Companies List by market cap as of August 2026.
Istanbul Stock Exchange Top Companies List by Market Cap
Istanbul Stock Exchange Top Companies List by Market Cap as of August 2026, Istanbul Stock Exchange Largest Companies List by Market Cap as of August 2026.

  1. Aselsan Elektronik Sanayi Ve Ticaret Anonim Sirketi

    World Rank (Aug-2026)
    715
    Market Cap (Aug-2026)
    36.827 Billion USD
    World Rank (Jan-05-2024)
    2,175
    Market Cap (Jan-05-2024)
    7.239 Billion USD
    World Rank (Jul-30-2023)
    2,429
    Market Cap (Jul-30-2023)
    6.315 Billion USD
    World Rank (Dec-25-2022)
    2,024
    Market Cap (Dec-25-2022)
    7.110 Billion USD
    World Rank (Jan-07-2022)
    4,012
    Market Cap (Jan-07-2022)
    3.86 Billion USD
    Annual Revenue in USD
    1,309 Million USD
    Annual Operating Income in USD
    327 Million USD
    Annual Net Income in USD
    442 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Turkiye
    Yahoo @ Turkey
    Company Profile
    Aselsan Elektronik Sanayi Ve Ticaret AS is a Defense Electronics and Arms Manufacturers company. It portfolio comprises communication and information technologies, radar and electronic warfare, electro optics, avionics, unmanned systems, land, naval and weapon systems, air defense and missile systems, command and control systems, transportation, security, traffic, automation and medical systems. The headquarters is in Turkey.
    Company Website
    ASELSAN ELEKTRONIK SANAYI VE TICARET ANONIM SIRKETI

  2. QNB Finansbank

    World Rank (Aug-2026)
    1,158
    Market Cap (Aug-2026)
    21.790 Billion USD
    World Rank (Jan-05-2024)
    568
    Market Cap (Jan-05-2024)
    32.272 Billion USD
    World Rank (Jul-30-2023)
    2,226
    Market Cap (Jul-30-2023)
    7.041 Billion USD
    World Rank (Dec-25-2022)
    1,582
    Market Cap (Dec-25-2022)
    9.684 Billion USD
    World Rank (Jan-07-2022)
    1,942
    Market Cap (Jan-07-2022)
    9.65 Billion USD
    Annual Revenue in USD
    1,732 Million USD
    Annual Operating Income in USD
    915 Million USD
    Annual Net Income in USD
    639 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Turkiye
    Yahoo @ Turkey
    Company Profile

    QNB Finansbank is banking and financial services providing company.

    It is having 475 number of branches and 2,897 ATMs and the total number of employees are 11,111 as on 2020.

    The headquarters is in Istanbul, Turkey.

    As on 2022, QNB Finansbank has 444 stores.

    Company Website
    QNB FINANSBANK
    Wikipedia
    Wikipedia

  3. Turkiye Petrol Rafinerileri

    World Rank (Aug-2026)
    1,469
    Market Cap (Aug-2026)
    16.307 Billion USD
    World Rank (Jan-05-2024)
    1,771
    Market Cap (Jan-05-2024)
    9.226 Billion USD
    World Rank (Jul-30-2023)
    2,196
    Market Cap (Jul-30-2023)
    7.193 Billion USD
    World Rank (Dec-25-2022)
    1,993
    Market Cap (Dec-25-2022)
    7.242 Billion USD
    World Rank (Jan-07-2022)
    4,451
    Market Cap (Jan-07-2022)
    3.38 Billion USD
    Annual Revenue in USD
    16,575 Million USD
    Annual Operating Income in USD
    1,873 Million USD
    Annual Net Income in USD
    1,412 Million USD
    Annual Results for Period Ending
    Dec-2022 ending period
    Headquarters Country
    Turkiye
    Yahoo @ Turkey
    Company Profile
    Turkiye Petrol Rafinerileri is a Oil Processing Capacity company. The company spent a total of TL 311.5 million in R&D environmental management and investment in 2019. The headquarters is in Turkey.
    Company Website
    TURKIYE PETROL RAFINERILERI

  4. Turkiye Garanti Bankasi

    World Rank (Aug-2026)
    1,978
    Market Cap (Aug-2026)
    11.467 Billion USD
    World Rank (Jan-05-2024)
    1,989
    Market Cap (Jan-05-2024)
    8.036 Billion USD
    World Rank (Jul-30-2023)
    2,317
    Market Cap (Jul-30-2023)
    6.663 Billion USD
    World Rank (Dec-25-2022)
    2,122
    Market Cap (Dec-25-2022)
    6.707 Billion USD
    World Rank (Jan-07-2022)
    4,290
    Market Cap (Jan-07-2022)
    3.56 Billion USD
    Annual Revenue in USD
    4,935 Million USD
    Annual Operating Income in USD
    2,856 Million USD
    Annual Net Income in USD
    2,162 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Turkiye
    Yahoo @ Turkey
    Company Profile

    Turkiye Garanti Bankasi is a Financial Services company. The headquarters is in Turkey.

    As of Jun-2022, Turkiye Garanti Bankasi had 858 branches.

    Company Website
    TURKIYE GARANTI BANKASI
    Wikipedia
    Wikipedia

  5. KOC Holding

    World Rank (Aug-2026)
    2,046
    Market Cap (Aug-2026)
    10.947 Billion USD
    World Rank (Jan-05-2024)
    1,428
    Market Cap (Jan-05-2024)
    11.986 Billion USD
    World Rank (Jul-30-2023)
    1,375
    Market Cap (Jul-30-2023)
    12.622 Billion USD
    World Rank (Dec-25-2022)
    1,456
    Market Cap (Dec-25-2022)
    10.690 Billion USD
    World Rank (Jan-07-2022)
    2,831
    Market Cap (Jan-07-2022)
    5.99 Billion USD
    Annual Revenue in USD
    33,459 Million USD
    Annual Operating Income in USD
    5,413 Million USD
    Annual Net Income in USD
    2,590 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Turkiye
    Yahoo @ Turkey
    Company Profile

    KOC HOLDING is a conglomerate company and has business in Energy, Automotive, Consumer Durables, Finance. Headquarters is in Istanbul, Turkey.

    Company Website
    KOC HOLDING
    Wikipedia
    Wikipedia

  6. Enka Insaat Ve Sanayi

    World Rank (Aug-2026)
    2,086
    Market Cap (Aug-2026)
    10.710 Billion USD
    World Rank (Jan-05-2024)
    2,422
    Market Cap (Jan-05-2024)
    6.373 Billion USD
    World Rank (Jul-30-2023)
    2,237
    Market Cap (Jul-30-2023)
    6.992 Billion USD
    World Rank (Dec-25-2022)
    1,569
    Market Cap (Dec-25-2022)
    9.740 Billion USD
    World Rank (Jan-07-2022)
    2,809
    Market Cap (Jan-07-2022)
    6.06 Billion USD
    Annual Revenue in USD
    2,293 Million USD
    Annual Operating Income in USD
    458 Million USD
    Annual Net Income in USD
    73 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Turkiye
    Yahoo @ Turkey
    Company Profile
    Enka Insaat ve Sanayi is a Engineering and Construction company. It had a turnover of USD 1.9 Billion in 2019. The company has undertaken 127 projects in Turkey amounting to a contract value of USD 7 Billion and another 413 projects with a contract value of USD 43 Billion have been awarded to ENKA in foreign countries. The headquarters is in Turkey.
    Company Website
    ENKA INSAAT VE SANAYI

  7. Bim Birlesik Magazalar

    World Rank (Aug-2026)
    2,165
    Market Cap (Aug-2026)
    10.306 Billion USD
    World Rank (Jan-05-2024)
    2,522
    Market Cap (Jan-05-2024)
    6.041 Billion USD
    World Rank (Jul-30-2023)
    3,068
    Market Cap (Jul-30-2023)
    4.811 Billion USD
    World Rank (Dec-25-2022)
    3,046
    Market Cap (Dec-25-2022)
    4.386 Billion USD
    World Rank (Jan-07-2022)
    4,669
    Market Cap (Jan-07-2022)
    3.15 Billion USD
    Annual Revenue in USD
    5,480 Million USD
    Annual Operating Income in USD
    355 Million USD
    Annual Net Income in USD
    303 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Turkiye
    Yahoo @ Turkey
    Company Profile
    Retail sector company related to food products and consumer goods. Headquarters is in Istanbul, Turkey.
    Company Website
    BIM BIRLESIK MAGAZALAR
    Wikipedia
    Wikipedia

  8. Turk Hava Yollari Anonim Ortakligi

    World Rank (Aug-2026)
    2,426
    Market Cap (Aug-2026)
    8.779 Billion USD
    World Rank (Jan-05-2024)
    1,544
    Market Cap (Jan-05-2024)
    10.830 Billion USD
    World Rank (Jul-30-2023)
    1,445
    Market Cap (Jul-30-2023)
    12.032 Billion USD
    World Rank (Dec-25-2022)
    1,466
    Market Cap (Dec-25-2022)
    10.582 Billion USD
    World Rank (Jan-07-2022)
    5,506
    Market Cap (Jan-07-2022)
    2.48 Billion USD
    Annual Revenue in USD
    11,544 Million USD
    Annual Operating Income in USD
    1,913 Million USD
    Annual Net Income in USD
    1,760 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Turkiye
    Yahoo @ Turkey
    Company Profile
    Turk Hava Yollari Anonim Ortakligi is a European and globally active airline company preferred for its flight safety, reliability, product range, service quality and competitive position. The headquarters is in China.
    Company Website
    TURK HAVA YOLLARI ANONIM ORTAKLIGI

  9. Akbank T.A.S

    World Rank (Aug-2026)
    2,739
    Market Cap (Aug-2026)
    7.456 Billion USD
    World Rank (Jan-05-2024)
    2,448
    Market Cap (Jan-05-2024)
    6.304 Billion USD
    World Rank (Jul-30-2023)
    2,729
    Market Cap (Jul-30-2023)
    5.510 Billion USD
    World Rank (Dec-25-2022)
    2,522
    Market Cap (Dec-25-2022)
    5.495 Billion USD
    World Rank (Jan-07-2022)
    5,014
    Market Cap (Jan-07-2022)
    2.86 Billion USD
    Annual Revenue in USD
    4,147 Million USD
    Annual Operating Income in USD
    2,978 Million USD
    Annual Net Income in USD
    2,227 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Turkiye
    Yahoo @ Turkey
    Company Profile
    Akbank T.A.S. is a Banking Holding company. It is strong and extensive domestic distribution network of 770 branches staffed by more than 12,000 employees. The company also serves close to 18 million customers via the Akbank Internet Branches, Akbank Mobile, the Call Center, 5,000 ATMs and more than 600 thousand POS terminals as well as other high tech channels. The headquarters is in Turkey.
    Company Website
    AKBANK T.A.S

  10. Turkiye Is Bankasi

    World Rank (Aug-2026)
    3,005
    Market Cap (Aug-2026)
    6.529 Billion USD
    World Rank (Jan-05-2024)
    1,928
    Market Cap (Jan-05-2024)
    8.350 Billion USD
    World Rank (Jul-30-2023)
    2,831
    Market Cap (Jul-30-2023)
    5.267 Billion USD
    World Rank (Dec-25-2022)
    2,003
    Market Cap (Dec-25-2022)
    7.187 Billion USD
    Annual Revenue in USD
    5,688 Million USD
    Annual Operating Income in USD
    3,135 Million USD
    Annual Net Income in USD
    2,285 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Turkiye
    Yahoo @ Istanbul
    Company Profile

    Turkiye Is Bankasi is a Commercial Banking company. The headquarters is in Turkey.

    As on 2019, Turkiye Is Bankasi had 1,354 branches.

    Company Website
    TURKIYE IS BANKASI
    Wikipedia
    Wikipedia

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