The Retention Ratio (also known as the Plowback Ratio) is a straightforward but powerful metric that shows what percentage of a company's net income is kept and reinvested back into the business. Think of it as a company's “savings rate.” Instead of paying all its profits out to shareholders in the form of dividends, the company “retains” a portion to fund future growth, pay down debt, or make acquisitions. This single number tells a fascinating story about a company's strategy and its management's confidence in its own future. A high retention ratio suggests a company is in growth mode, betting on itself to generate better returns than shareholders could get elsewhere. A low ratio often signals a mature, stable company with fewer high-growth projects, choosing instead to reward its investors with cash.
For a value investing enthusiast, the retention ratio is a starting point for a deeper investigation. It’s the flip side of the coin to the payout ratio (which measures the percentage of earnings paid out as dividends). If a company has a payout ratio of 40%, its retention ratio is 60%. Simple as that. This ratio provides a window into the mind of a company's management. Are they:
Understanding this ratio helps you align your investment goals with the company's operational strategy. If you're looking for growth, a high retention ratio might be attractive. If you're an income investor, you'll likely favor companies with a lower one.
Calculating the retention ratio is refreshingly simple. There are two common ways to do it.
You can either calculate it directly from the income statement and dividend information or by using the payout ratio.
Let's imagine a fictional company, “Durable Goods Inc.” In its last fiscal year, Durable Goods Inc. reported:
Using Method 1, the calculation is:
This means Durable Goods Inc. reinvested 70% of its profits back into the company and paid out the remaining 30% to its shareholders.
A high retention ratio is not automatically good, and a low one is not automatically bad. The real magic—or tragedy—lies in what the company does with that retained cash.
This is the most important question a value investor can ask. Retaining earnings is only a good idea if the company can invest that capital at a high rate of return. A company that retains 80% of its earnings but only generates a paltry 2% return on that new capital is destroying shareholder value. You would have been better off receiving that cash as a dividend and investing it yourself. Look at the retention ratio in conjunction with metrics like Return on Equity (ROE) or Return on Invested Capital (ROIC). A high retention ratio paired with a high and stable ROIC is the hallmark of a fantastic compounding machine—a business that is skillfully turning retained profits into even greater future profits.
The legendary investor Warren Buffett has a simple test for this. He argues that a company's management has a duty to retain earnings only if they can create more than one dollar of market value for every dollar they keep. If a company retains $1 million in earnings, the market value of the company should, over time, increase by at least $1 million as a result. If it doesn't, management has failed its shareholders. This principle forces you to focus not on the act of retaining earnings itself, but on the value created by that act.
While useful, the retention ratio should never be viewed in a vacuum. Always consider the context:
Ultimately, the retention ratio is a fantastic tool for framing your analysis. It helps you understand a company's capital allocation strategy, which is the very heart of long-term value creation.