The day started slowly, but spirits rose on hopes of a policy rate cut after Swedish inflation figures that were lower than expected became clear.
In addition, the New York Stock Exchange opened markedly higher in the afternoon.
Among the most traded stocks on the OMXS30 list, technology trading company Addtech and defense group Saab topped the list, up 5.6 and 2.8 percent, respectively.
The company that fell the most among the 30 largest was the construction company Skanska, which fell 2.6 percent after its annual report.
The stock exchanges in Frankfurt, London and Paris also rose.
Stockholm's broad OMXS index, which lost 1 percent on Thursday, closed the week up 2.3 percent. Since the beginning of the year, the increase has been 4.5 percent.
