Naspers is among the prospective investors in a proposed equity round for the Russia-based e-commerce company that would be raised at a $1.5bn valuation later this year.

Earlier this month Ulmart, Russia’s largest e-commerce company by market share, announced several new steps towards its planned IPO. JPMorgan and UBS have been appointed to prepare the operation, which may take place in spring next year, according to Ulmart chairman Dmitry Kostygin.

The online retailer is considering floating 15% of the company in the form of new shares on the London Stock Exchange, Kostygin told Russian business daily Vedomosti.

Prior to the initial public offering, Ulmart is considering selling…