New York-listed Invesco, the asset management firm, has taken on three research analysts for its global quantitative equity research team.

Michael Abata and Eric Cheng report to director of research, Andrew Waisburd, as will Charlie Ko when he joins on 15 May, the firm said.

Ko was formerly director and senior portfolio manager at Batterymarch Financial Management, where some of his responsibilities over the past 11 years have included portfolio management, research and quantitative modelling.

Cheng joined the team, in December, having been a US equity analyst at Markit, while Abata, with 20 years of quantitative equity experience, started in October.

Abata joined from State Street Global Markets, where he was a senior vice president and portfolio manager. In this role, he was responsible for developing multi-factor models and managing large cap portfolios.

The GQE team manages the ongoing enhancement and monitoring of Invesco's global and regional stock selection models, with offices in Boston, New York, Frankfurt, Tokyo and Melbourne.