By Lars Mucklejohn ESG-focused Impax Asset Management has noted “improved” investor sentiment in recent months, despite the sector grappling with heavy outflows from sustainable funds. The company reported in a stock market update on Tuesday that its assets under management (AUM) totalled £39.6bn on 31 March 2024, up 1.3 per cent from the end of the previous quarter. However, Impax’s net flows came in at negative £1.71bn during the first quarter of 2024, from negative £988m in the final three months of last year. Impax has been affected by the shift away from ESG over the past couple of years,…