The fund will, under normal circumstances, invest at least 80% of its total assets in securities of the index. The index is designed to track the performance of companies that derive at least 50% of their revenue and/or assets from (i) mining, exploration, development, and production of uranium; (ii) earning uranium royalties; and/or (iii) supplying uranium. The index generally consists of from 30 to 40 constituents. The fund is non-diversified.