Career
He is the younger brother of Daniel Fernholm. He was selected 164th overall by the Nashville Predators in the 2012 National Hockey League Entry Draft. In the following 2013-2014 season, Fernholm was hampered by a knee injury which limited him to just 16 games with the J20 squad.
On May 26, 2014, Fernholm left Frölunda in order to gain regular playing time and agreed to a one-year deal with IF Troja/Ljungby of the Hockeyettan.