Liverpool booked their place in the Champions League final by edging past Serie A side Roma 7-6 on aggregate in the semi-final.
The 32-year-old Cleveland Cavaliers star made a decision to plough £4.8 million into the Anfield club back in 2011, after the arrival of the Reds' current American owners Fenway Sports Group, giving him a two percent stake.
James invested in Liverpool with a 2 percent stake for approximately $6.5 million in 2011, according to a report from ESPN, which cited unidentified sources.
"It has been an honor for us to be in on this deal with Fenway Sports Partners' John Henry and Tom Werner", James' business partner Maverick Carter said, while refusing to confirm the profits.
Grand Forks family died of gunshots, police ID victims
A North Dakota school district says they are a parent and three students, but it wasn't clear if the adult victim was the woman. Police found the bodies Thursday morning after one of the children's schools asked them to do a welfare check.
About a year ago, Forbes labeled Liverpool the eighth-most-valuable soccer team in the world at a value of $1.49 billion, but their trip the UEFA Champions League final will guarantee an award of more than $100 million to Liverpool.
Amongst numerous other business ventures, James is now in his second year of a three-year, £72m ($100m) contract with the Cleveland Cavaliers.
The report claims Liverpool could now be sold for £1.2billion with the Champions League final berth earning the Reds an extra £735m.
James also has endorsement deals with Nike, Coca-Cola, Beats by Dre, Kia Motors, Intel and Verizon.
Jurgen Klopp's men will face two-time defending champions Real Madrid in the Kiev final on May 26 looking to clinch the sixth European Cup in the club's history.