Core Insights - The iShares MSCI Qatar ETF (QAT US) is based on the MSCI All Qatar Capped Index, which provides exposure to Qatari equities while enforcing diversification limits suitable for US-registered funds [1] Group 1: Index Construction - The MSCI All Qatar Index combines constituents of the MSCI Qatar Investable Market Index with additional liquid local listings, requiring new securities to have a full market cap of at least 25% of the IMI size-segment cut-off and a free-float-adjusted market cap of at least 12.5% [1] - Existing members have lower thresholds of 12.5% and 6.25% for market cap requirements [1] - A minimum 3- and 12-month Average Trading Volume Ratio (ATVR) of 2.5% (1% for existing constituents) is required, along with trading-frequency floors and a minimum free-float factor of 0.15 to exclude illiquid names [1] Group 2: Weighting and Diversification - All eligible securities are weighted by free-float market cap, with a 25/50 overlay that prevents any issuer from exceeding 25% and limits the combined weight of issuers above 5% [1] - The index undergoes quarterly reviews in February, May, August, and November, with a more comprehensive rebalance occurring in November [1]