Tufton Oceanic Assets believes its performance since its 2017 initial public offering demonstrates shipping can be an important long-term investment for big institutions.

Standard Life Aberdeen (SLA), the UK's biggest asset manager, with £545bn ($677bn) under management, demonstrated its confidence in the company by increasing its holding from 5.07% to 5.9% last week.

SLA's stake in the London-listed shipowning fund is now worth nearly $13.3m.