Impax Asset Management, the UK-listed sustainability asset manager, posted outflows of £1.4bn during the last quarter, bringing the total amount investors have pulled from the group to £13bn over its full financial year.

In a trading update published on 8 October, the AIM-listed firm said the majority of the outflows in the last quarter came from its listed equities products, adding to the substantial redemptions that the firm has encountered this year.