GetIndexComposition

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Get the current constituent list of a major US stock index: S&P 500, S&P MidCap 400, S&P SmallCap 600, Nasdaq-100, Russell 1000, Russell 2000, or the Dow Jones Industrial Average. Each row carries the company's rank by weight, its ticker, and its share of the index. The list is a full-replication tracking fund's own disclosed holdings, taken from an SEC Form N-PORT filing or from the holdings file the fund publishes daily, and the answer names which fund and which date it came from. A list is only published once a fund's filing reaches us whole, so a partial filing is never served as a shrunken index. Rows that could not be matched to a tracked company are listed under the name the fund reported rather than dropped, because a dropped row would make the index look shorter than it is. Use GetIndexChanges for what has joined or left, and GetIndexForecast for who the published rules point to next.