Goldman Sachs has become the second of Europe's large dark pool operators to shuffle the management of its anonymous trading platform in the region in as many months.

David Shrimpton, Sigma X's chief operating officer, is to take on a new role within Goldman Sachs Execution and Clearing - a unit of the bank which offers prime brokerage services to broker-dealers, hedge funds and proprietary trading firms - according to a person familiar with the situation.