Ownership
The Ports of Stockholm Group comprises the parent company Stockholms Hamn AB and the subsidiaries Nynäshamns Hamn AB, Nynäshamns Mark AB and Kapellskärs Hamn AB.
Nynäshamns Hamn AB is a wholly owned subsidiary. Nynäshamns Mark AB is 50 percent owned by Stockholms Hamn AB and 50 percent owned by the Municipality of Nynäshamn. Kapellskärs Hamn AB is 91 percent owned by Stockholms Hamn AB with the remaining nine percent owned by the Municipality of Norrtälje.
Stockholms Hamn AB is a wholly owned subsidiary of Stockholms Stadshus AB.