well, according to this report, if it is reliable, leicester, spurs, villa and newcastle owners are all richer than FSG.
this is the list for league of wealthy EPL owners
https://www.goal.com/en/news/richest-premier-league-owners-2020/m3uglaxa20go1wyqwo72ecmhz
[article]
[xtable=skin1|border:1|100%x@]
{thead}
{tr}
{th=5%x@}Rank{/th}
{th=35%x@}Owner{/th}
{th=40%x@}Premier League club{/th}
{th=20%x@}Est. net worth (2020){/th}
{/tr}
{/thead}
{tbody}
{tr}
{td}1{/td}
{td}
Sheikh Mansour{/td}
{td}
Manchester City{/td}
{td}$20bn{/td}
{/tr}
{tr}
{td}2{/td}
{td}
Roman Abramovich{/td}
{td}
Chelsea{/td}
{td}$11.3bn{/td}
{/tr}
{tr}
{td}3{/td}
{td}
Stan Kroenke{/td}
{td}Arsenal{/td}
{td}$10bn{/td}
{/tr}
{tr}
{td}4{/td}
{td}
Aiyawatt Srivaddhanaprabha (and family){/td}
{td}
Leicester City{/td}
{td}$6bn{/td}
{/tr}
{tr}
{td}5{/td}
{td}
Joe Lewis & Daniel Levy{/td}
{td}
Tottenham{/td}
{td}$6bn{/td}
{/tr}
{tr}
{td}6{/td}
{td}
Nassef Sawiris{/td}
{td}
Aston Villa{/td}
{td}$5.8bn{/td}
{/tr}
{tr}
{td}7{/td}
{td}
Guo Guanchang{/td}
{td}Wolves{/td}
{td}$5.6bn{/td}
{/tr}
{tr}
{td}8{/td}
{td}
Glazer family{/td}
{td}
Manchester United{/td}
{td}$5bn{/td}
{/tr}
{tr}
{td}9{/td}
{td}
Joshua Harris{/td}
{td}
Crystal Palace{/td}
{td}$4.3bn{/td}
{/tr}
{tr}
{td}10{/td}
{td}
Mike Ashley{/td}
{td}Newcastle{/td}
{td}$2.8bn{/td}
{/tr}
{tr}
{td}11{/td}
{td}
John W. Henry & Thomas C. Werner (FSG){/td}
{td}
Liverpool{/td}
{td}$2.7bn{/td}
{/tr}
{tr}
{td}12{/td}
{td}
Farhad Moshiri{/td}
{td}
Everton{/td}
{td}$2.4bn{/td}
{/tr}
{/tbody}
[/xtable]
[/article]