 Later that year, Itera (now part of Rosneft) Latvian branch acquired nearly 10% stake from the Baltic Republic Fund.In following years, Gazprom increased its stake up to 37%, E.ON up to 33.66%, and Fortum up to 17.7% by buying shares from private investors.In 2014, E.ON sold its stake to Fortum, which became the largest shareholder with 51.4% stake.