Financial services company Fidelity Investments’ U.K. arm reported that over the last 12 months, customers were most interested in trading shares of crypto mining firm Argo Blockchain.

Fidelity reports on Thursday Argo Blockchain ranked third among the top five stocks most actively traded by its customers in 2021 — the others were Rolls-Royce (OTC:), British Airways owner International Consolidated Airlines (OTC:), oil giant BP (NYSE:) and Lloyds Banking Group (LON:). Argo, which Fidelity described as a “trending” stock, also ranked third among stocks traded by Self-Invested Personal Pension, or SIPP, investors.