Shares in the recently listed PSV pure play operator increased $2.20 on Monday to end the day at $18.76 each.
The large spike came as NAO’s second largest shareholder said it had increased its stake in the company to over 20%.
News of the Leon Cooperman-controlled Omega fund’s increased stake came in a disclosure to US regulators on Monday.
Monday also saw NAO firm up newbuilding orders for two PSVs at Fincantieri-owned shipbuilder Vard.
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