The clients included a Middle Eastern sovereign wealth fund, a public pension fund in Dublin, Ireland, and a pension fund for British government employees, according to court papers.
McLellan has pleaded not guilty to securities fraud and wire fraud charges. His trial is scheduled for October.
The cases in U.S. District Court, District of Massachusetts, are U.S. v. McLellan, et al, No. 16-cr-10094, and U.S. v. Boomgaardt, No. 17-cr-10167.
This article was provided by Reuters.