The post-work nest eggs of Australian Retirement Trust customers grew 11.3 per cent in 2023-24, as the industry superannuation behemoth rode the artificial intelligence wave to post returns that were well above long-run averages.

The fund’s high-growth option – which is becoming its default MySuper offering from July 1 – returned 11.3 per cent for the year, while its balanced option handed savers 9.9 per cent.