S&P 500 Constituents - GICS Sector, Industry Group, and Industry Classification

dareminator, Since you have looked into this, let me ask a related question. I am looking for (ticker, % weight in the index) for both S&P 500 & Nasdaq 100. Any idea where I can get this? Just this - nothing else is needed. I am doing correlation analysis and need to know the % weights. Thanks!
 
Quote from WinstonTJ:

Do you have the weightings or #shs in the index?

I have shares outstanding for each constituent, and some code that will calculate an index value in real time, but no access to public float information. Is this hard to come by, or am I looking in the wrong places?

Have also done some work using Eureqa (http://ccsl.mae.cornell.edu/eureqa) to calculate the weightings, but at present it's not possible as >256 variables, and secondary constraints, are not supported.
 
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