Today IK Sirius is active in bandy, floorball, and football as an alliance club [sv].

[2] The sports club was founded for athletics, and took up cross-country skiing, bandy and football in 1908.

[3] During the first half of the 20th century, the sports club has also practised canoeing, swimming, handball, ice hockey, tennis, wrestling, boxing, and orienteering.

[4] In 1991, the two remaining departments of football and bandy split and choose to act as an alliance club [sv] using the same name.

[5] In 1999, the floorball club IBK JT 97 joined IK Sirius.