HeiQ, the Swiss textile materials company, was listed on the London Stock Exchange on Dec. 7 under the ticker symbol HEIQ, following a reverse takeover into Auctus Growth Plc. The stock was oversubscribed on issue and raised £60 million (€66m-$80m) before expenses. The new public interest in the company doubtless stems in part from the success of its newest product, the HeiQ Viroblock, which helps to repel such enveloped viruses as SARS-CoV-2, also known as Covid-19. According to HeiQ’s chief financial officer, Xaver Hangartner, Viroblock “more than doubled” HeiQ’s revenue in the first half of 2020. At present about 150 brands are using the anti-viral textile treatment. Part of the funds raised through the HeiQ’s stock issue will be going toward an expansion of Viroblock’s licensing and royalty business. Other HeiQ products include Fresh AIR, developed for a leading Swedish home furnishing retailer; Smart Temp, used by Japan’s biggest casual wear retailer and by the American company Hanesbrands; and Clean Tech, winner of the Swiss Environmental Award in 2019. One product as yet in the pipeline is GrapheneX, intended for industrial filtration. According to Carlo Centonze, co-founder and chief executive, sales of HeiQ’s core products to major brands have increased by 17 percent in the first half of 2020. HeiQ was founded in 2005 and employs about 100 internationally. It has developed about 200 products in partnership with about 300 brands, among them Burberry, Gap, New Balance, Patagonia, Speedo, The North Face and Zara.