In a Thursday filing in Manhattan state court, Marshall Wace asked a judge to toss subpoenas connected to a dispute in arbitration between Shatz and Citadel. Marshall Wace said it was not a party to that matter and the information sought wasn’t relevant. It said the subpoenas were “designed to unnecessarily harass, burden and inconvenience” a rival.
“Citadel is well known for its aggressive tactics and has ...