L Squared, an investment firm, completed the acquisition of Sterling Trading Tech, a provider of a direct trading platform designed for the risk management industry, from LLR Partners, a lower middle-market private equity firm. Financial terms were not disclosed. “L Squared is excited to begin our partnership with the STT team whom we have found to be passionate about customer service and developing innovative products such as its OMS and risk platforms. The incremental resources our strategic investment provides will allow the team to capitalize on the accelerating adoption of cloud-based solutions and serve larger institutional customers," Sean Barrette, L Squared Partner.