Loginova said investors from the United States and Canada accounted for 54% of the total, with 22% from the United Kingdom and 21% from the rest of Europe.
The rouble was 0.6% stronger against the dollar at 73.88. It briefly soared as high as 72.0025 on the Moscow Exchange on Friday, its strongest since late July.
Russia's largest bourse started trading foreign blue chips in August and offers rouble-denominated shares in 105 foreign companies, including Tesla, Alibaba and Apple.
"This product is in great demand and of course we will develop it ...We are discussing the extension of trading hours and additional services with market participants," Blokhin said at the Moscow Exchange's shareholder day.
The Moscow Exchange will start trading foreign currency, gold and derivatives three hours earlier from March 1, opening at 0400 GMT and extending its trading day to 17 hours to cover more time zones and boost liquidity.
"We aim at investors from Southeast Asia, primarily from India, Singapore, Hong Kong, where there is demand for rouble instruments," said Igor Marich, MOEX's managing director for sales and business development.