He is on the books of Levanger FK and wears shirt number 14. At international level, he features for Norway U17. His main role on the pitch is Midfield. His stronger foot is Right.

His latest transfer saw him join Rosenborg from Levanger FK via Loan on 2026-06-30.

Over 2 appearances in the Atlantic Ocean Cup 2026, Isak Holmen contributed 0 goals and 0 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.