LNGG provides exposure to stocks that are materially engaged in the liquefied natural gas industry. The index may comprise of both pure-play and non-pure-play companies from around the world that are involved in four main business segments: liquefaction, LNG carriers, regasification, and diversified LNG. The fund may invest in non-pure play companies that derive significant revenues, R&D investments and/or applicable businesses in the sector. Eligible securities meeting market-cap and liquidity requirements are weighted based on their revenue-adjusted float market capitalization. Securities deriving less than 20% of its revenue from the sum of one or more of the segments are capped at 2%. The index is reconstituted semi-annually on the third Friday of June and December, while quarterly rebalancing occurs on the third Friday of the last month of each calendar quarter.