Not that "largest by market cap" says much, given that it corresponds to "oh look a monopoly" as much as it does "innovation and real growth" (and also "bubble"), but you're wrong.

Market caps of Russian examples from above:

Sber: $84 bn - https://companiesmarketcap.com/sberbank/marketcap/

Yandex: RUB 1327B (~= $17 bn) - https://tradingeconomics.com/yndx:rm:market-capitalization

VK: RUB 176.7B (~= $2.3 bn) - https://smart-lab.ru/q/VKCO/MSFO/market_cap/en/

Ozon: $8.9 bn - https://companiesmarketcap.com/ozon/marketcap/

Market caps of bigger EU tech firms:

  ASML: $533.84 B
  Siemens: $223.14 B
  SAP: $202.96 B
  Seagate Technology: $164.43 B