He currently plays for IBV Vestmannaeyjar, wearing the number 28 shirt. He plays primarily as a Forward.

His most recent move was a Loan from KF Framherjar-Smástund to IBV Vestmannaeyjar on 2026-01-31.

In the Iceland Besta-deild karla 2025 season, Heidmar Thór Magnússon scored 0 goals and provided 0 assists across 2 appearances, averaging 0 goals per game with 0 shots attempted and 0 on target.