BlackRock World Mining Trust PLC is a UK-based investment trust company. Its primary investment objective is to maximize total returns to shareholders through a portfolio of mining and metal securities. The company seeks to achieve its objective through investment in a diversified portfolio of mining and metal securities worldwide. It focuses upon investing in quoted securities, royalties derived from the production of metals and minerals, as well as physical metals. The company may restrict its investments to 10% of gross assets in physical metals and 20% in unquoted investments. It may utilize derivative instruments such as options, futures, and contracts for difference to enhance the performance of the group to meet its objectives.