Norway Royal Salmon (NRS) chairman Helge Gaso increased his stake in Norwegian cod farmer Norcod, just the latest sign of bullish investor sentiment for the group, according to analysts at ABG Sundal Collier.

Gaso acquired an additional 250,000 shares on Dec. 31, making him now one of the company's largest shareholders.

In addition to the purchase, Norwegian investment bank ABG Sundial Collier gave Norcod a "buy" rating in a glowing report, spurring more investor interest in the company.