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Calculating profits for a private fund
The total number of shares on April 1st is 100 + 180 + 275 = 555.  The price on April 1st is required.  The current price is stated as $2, but $2 * 555 = $1110 and the current fund values is stated as $1500.  Opting to take the current value as $1500, the price on April 1st can be calculated as $1500/555 = $2.7027. The amounts invested as number of shares x share price are: (Note these investment amounts do not match the example scenario's investment amounts, presumably because the example numbers are just made up.) The monthly returns can be calculated: The current values for each investor as invested amount x returns are: Checking the total: