Data platform provider GridGain has raised $15m in series B capital, three years after it closed an initial $10m in series B funding.

US-based data platform developer GridGain secured $15m in series B funding yesterday in a round co-led by financial services firm Sberbank and MoneyTime Ventures, the general partner of Sberbank-backed SBT Venture Fund.

RTP Ventures, the US-based arm of investment firm Ru-Net, and venture capital firm Almaz Capital also participated in the round.

GridGain previously closed a $10m series B round in 2013 led by Almaz and supported by RTP Ventures. The company has not clarified how the two rounds relate…