A Leading Trade Order Management System Company. The flag ship product was Predator, an robust equity trading system. Macgregor took over Merrin Financial. Macgregor later was acquired by ITG (Investment Technology Group). Macgregor product and services consists of Merrin XIP - Portfolio and Trading system, MFN - Electronic Trading Network utilizing FIX Message, CompAlert - Enterprise compliance system, Macgregor Post Trade - CTM and post trade instruction notifications.