Norwegian tycoon Oystein Stray Spetalen’s new offshore shipping venture has listed in Oslo after a share offer succeeded in winning majority control of its part-owned ships.

Standard Supply, the platform supply vessel spin-off of Cyprus-based investment firm SD Standard ETC, debuted on the over-the-counter market on Thursday.

The company had made an offer to increase its stake in shipowner Northern Supply from 28% to 51%, gaining control of five midsize PSVs in the process.