Marshall Wace has increased its short position in heating technology group Nibe Industrier to 0.52 percent of the share capital, thereby becoming a new public short seller.

There are currently three public short sellers in the company. In total, 7.23 percent of Nibe's capital is held short.

The Swedish Financial Supervisory Authority (Finansinspektionen) requires positions exceeding 0.1 percent to be reported, while short positions surpassing 0.5 percent must be made public.