With headquarters in Baton Rouge, Louisiana, Stonehenge spun out of Bank One�s capital markets group in 1999 during the Bank One/First Chicago merger. Stonehenge�s founding partners were managing directors of Banc One Capital Markets, overseeing a multi-billion dollar investment portfolio with 1,200 employees. Stonehenge enjoys a strong relationship with Bank One�s successor, JPMorgan Chase, as the firm continues to manage legacy Bank One assets for JPMorgan Chase.