Moderna Museet is a state museum for modern and contemporary art located on the island of Skeppsholmen in central Stockholm, opened in 1958. In 2009, the museum opened Moderna Museet Malmö in Malmö. The museum opened in Stockholm on 9 May 1958, and opened a branch in Malmö in 2009, in a building that had housed the Rooseum centre …Moderna Museet is a state museum for modern and contemporary art located on the island of Skeppsholmen in central Stockholm, opened in 1958. In 2009, the museum opened Moderna Museet Malmö in Malmö. The museum opened in Stockholm on 9 May 1958, and opened a branch in Malmö in 2009, in a building that had housed the Rooseum centre for contemporary art.