According to people familiar with the matter, Castle's flagship hedge fund Wellington's asset management scale increased by 10.2% in 2025, which is inferior to the Millennium — an increase of 10.5%. Castle's performance was the worst since 2018, with Wellington growing 15.2% that year. Since 1990, the millennium has surpassed the castle nine times.

According to people familiar with the matter, Castle's flagship hedge fund Wellington's asset management scale increased by 10.2% in 2025, which is inferior to the Millennium — an increase of 10.5%. Castle's performance was the worst since 2018, with Wellington growing 15.2% that year. Since 1990, the millennium has surpassed the castle nine times.