FCG is the first of its kind, giving a dedicated exposure to the US natural gas market. Fortunately, the fund does a sufficient job of capturing the concentrated space. FCG selects from companies that are involved in natural gas in some capacity, dedicating 15% of its portfolio to MLPs and the remaining 85% to equities. It then applies linear cap-weighted rankings to each bucket. Average daily trading volume and market cap are factored in both selection and weighting. The resulting portfolio is a near-perfect representation of the market. The index is rebalanced and reconstituted on a quarterly basis.