Premier League Chelsea was put up for sale by Abramovich following Russia's invasion of Ukraine and before sanctions were imposed on him by the British government.
Larry Tanenbaum and former Chelsea captain John Terry have joined his bid to purchase the Premier League club.
The 140-meter (460-foot) yacht Solaris, which sails under a Bermuda flag according to monitoring site Marine Traffic, on March 8 left a Barcelona shipyard where it had been undergoing repairs.
Abramovich has denied having close to links to Putin.
Movers and shakers in Israeli society.
Earlier on Thursday, the UK officially sanctioned the Russian-Israeli billionaire, complicating his attempt to sell his football club.
A lawyer for Abramovich had argued in court that passages in the book "Putin's People: How the KGB Took Back Russia and then Took on the West", were clearly defamatory.
Herzog's paternal grandparents on both sides spent many years in Britain, and he still has relatives there.
Nathan Blagg, 21 years old, posted photos and videos of Nazi salutes and called to "gas a Jew."
No. 25 on The Jerusalem Post's Top 50 Most Influential Jews of 2021: Owner of the Premier League Chelsea Football Club Roman Abramovich.