[1] Söderblom made his professional debut for Frölunda HC of the SHL during the 2019–20 season, where he appeared in 10 games while on loan.
[3] On 9 June 2022, Söderblom was signed by the Detroit Red Wings to a three-year, entry-level contract.
[8] Elmer's older brother, Arvid, is a professional ice hockey goaltender for the Chicago Blackhawks of the NHL.
[9] Söderblom represented Sweden at the 2021 World Junior Ice Hockey Championships.
This biographical article relating to a Swedish ice hockey winger is a stub.