According to Megginson et al$.(2023),$ sovereign wealth funds $($SWFs$)$ had over $$11\mathrm{.}5$ trillion in assets under management as of February $2023,$ making them potentially influential investors. $.$ Critically examine the impact sovereign wealth funds have on the performance of their investee firms. Performance should hereby be considered from two perspectives: i$)$ financial performance; ii$)$ ESG $($Environmental$,$ Social, Governance$)$ performance. Your review should also provide some insights into whether there are differences between SWFs with regards to the above performance issues.