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MWI Veterinary Supply Inc (NAS:MWIV)
Return on Equity
14.02% (As of Sep. 2014)

Return on equity is calculated as net income divided by its average shareholder equity. MWI Veterinary Supply Inc's annualized net income for the quarter that ended in Sep. 2014 was \$70 Mil. MWI Veterinary Supply Inc's average shareholder equity for the quarter that ended in Sep. 2014 was \$496 Mil. Therefore, MWI Veterinary Supply Inc's annualized return on equity (ROE) for the quarter that ended in Sep. 2014 was 14.02%.

Definition

MWI Veterinary Supply Inc's annualized Return on Equity (ROE) for the fiscal year that ended in Sep. 2014 is calculated as

 ROE = Net Income (A: Sep. 2014 ) / ( (Total Equity (A: Sep. 2013 ) + Total Equity (A: Sep. 2014 )) / 2 ) = 71.962 / ( (426.319 + 502.371) / 2 ) = 71.962 / 464.345 = 15.50 %

MWI Veterinary Supply Inc's annualized Return on Equity (ROE) for the quarter that ended in Sep. 2014 is calculated as

 ROE = Net Income (Q: Sep. 2014 ) / ( (Total Equity (Q: Jun. 2014 ) + Total Equity (Q: Sep. 2014 )) / 2 ) = 69.524 / ( (489.176 + 502.371) / 2 ) = 69.524 / 495.7735 = 14.02 %

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

In the calculation of annual return on equity, the net income of the last fiscal year and the average total shareholder equity over the fiscal year are used. In calculating the quarterly data, the Net Income data used here is four times the quarterly (Sep. 2014) net income data. Return on Equity is displayed in the 15-year financial page.

Explanation

Return on Equity (ROE) measures the rate of return on the ownership interest (shareholder's equity) of the common stock owners. It measures a firm's efficiency at generating profits from every unit of shareholders' equity (also known as net assets or assets minus liabilities). ROE shows how well a company uses investment funds to generate earnings growth. ROEs between 15% and 20% are considered desirable.

The factors that affect a companys Return on Equity (ROE) can be illustrated with the Du Pont Formula:

 Return on Equity (ROE) (Q: Sep. 2014 ) = Net Income / Average Shareholder Equity = 69.524 / 495.7735 = (Net Income / Revenue) * (Revenue / Average Total Assets) * (Average Total Assets / Average Equity) = (69.524 / 3176.236) * (3176.236 / 993.6155) * (993.6155 / 495.7735) = Net Profit Margin * Asset Turnover * Leverage Ratio = 2.19 % * 3.1966 * 2.0042 = Return on Assets * Leverage Ratio = 7 % * 2.0042 = 14.02 %

Note: The Net Income data used here is four times the quarterly (Sep. 2014) net income data. The Revenue data used here is four times the quarterly (Sep. 2014) revenue data.

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

With this breakdown, it is clear that if a company grows its Net Profit Margin, its Asset Turnover, or its Leverage, it can grow its return on equity.

Be Aware

The net income used here is the net income to common shareholders.

Because a company can increase its return on equity by having more financial leverage, it is important to watch the leverage ratio when investing in high ROE companies. Like ROA, ROE is calculated with only 12 months data. Fluctuations in companys earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.

Asset light businesses require very few assets to generate very high earnings. Their ROEs can be extremely high.

Related Terms

Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

MWI Veterinary Supply Inc Annual Data

 Sep05 Sep06 Sep07 Sep08 Sep09 Sep10 Sep11 Sep12 Sep13 Sep14 ROE 9.98 12.79 11.65 11.68 12.81 14.71 15.78 16.40 16.00 15.50

MWI Veterinary Supply Inc Quarterly Data

 Jun12 Sep12 Dec12 Mar13 Jun13 Sep13 Dec13 Mar14 Jun14 Sep14 ROE 17.25 14.34 18.20 15.74 16.81 13.63 16.88 14.68 16.20 14.02
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