In principle, you look up a) the price per share and b) the number of shares outstanding, and multiply them to get c) the market capitalization. A simple Google search will get you a) and c). To do it from first principles you'd need to get shares outstanding, which you can get from Apple's annual report.
Repeat for every stock in the index.
Add up the total market cap of all the stocks. Then divide the market cap of each individual stock by that total, to get the percentage weighting of each stock in the index.
You can see this done for you for, say, VTI, by going to
institutional.vanguard.com
>> search for the ticker symbol--say VTI
>> portfolio
>> view holding details
>> export data
You'll get a spreadsheet in .csv format. Load it into a spreadsheet like Excel. It will look like this:
![Image]()
Repeat for every stock in the index.
Add up the total market cap of all the stocks. Then divide the market cap of each individual stock by that total, to get the percentage weighting of each stock in the index.
You can see this done for you for, say, VTI, by going to
institutional.vanguard.com
>> search for the ticker symbol--say VTI
>> portfolio
>> view holding details
>> export data
You'll get a spreadsheet in .csv format. Load it into a spreadsheet like Excel. It will look like this:
Statistics: Posted by nisiprius — Sun Jan 26, 2025 9:04 pm — Replies 1 — Views 82