In jumper, 20-year-old Rumbutis set the personal best with a score of 13,300 and in rings he won on a score of 12,450.
Kim Wanström won Swedish Championship gold in freestyle, Filip Lidbeck in jumping and Christopher Soos in needle.
The rail competition, which ended the Swedish Championships in Halmstad, became the most exciting branch final.
Karl Idesjö tried his hand at a really difficult series, but due to a fall he got exactly the same points as his club mate in Hammarbygymnasterna, Kim Wanström.
Thus, they share the Swedish Championship gold.
Home jumper Christopher Soos showed an impressive width when he was on the podium in all finals, but at the top he was only in needles.
Most of the Swedish Championship gold went to Rumbutis.
- It feels great to be able to compete and meet everyone again, it gives energy.
I went through fall-free today and it felt really nice even though it was a bit stressful in some gear, he said to the Swedish Gymnastics Association after yesterday's all-around gold.