The iShares S&P Global Clean Energy Index Fund (Ticker: ICLN) seeks investment results that correspond generally to the performance, before fees and expenses, of the S&P Global Clean Energy Index. The index is designed to track the performance of approx. 30 of the most liquid and tradable global companies which represent the listed clean energy universe. The index is concentrated in the clean energy industry and includes clean energy production companies and clean energy equipment and technology providers. Clean energy includes: biofuel and biomass, ethanol and fuel alcohol, geothermal energy, hydroelectricity, solar and wind energy. The index has a 5% cap on any individual name and is market-cap weighted. It rebalances every quarter and includes both emerging and developed markets.