“Only buy something that you’d be perfectly happy to hold if the market shut down for 10 years.”
— Warren Buffett
A critical pearl of wisdom from Warren Buffett teaches us that with any potential stock investment we may make, as soon as our buy order is filled we will have a choice: to remain a co-owner of that company for the long haul, or to react to the inevitable short-term ups and downs that the stock market is famous for (sometimes sharp ups and downs).
The reality of this choice forces us to challenge our confidence in any given company we might invest into, and keep our eyes on the long-term time horizon. The market may go up and down the interim, but over a decade-long holding period, will the investment succeed?
Back in 2009, investors may have been asking themselves that very question about Martin Marietta Materials, Inc. (NYSE: MLM). Let’s examine what would have happened over a decade-long holding period, had you invested in MLM shares back in 2009 and held on.
| Start date: | 09/14/2009 |
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| End date: | 09/11/2019 | ||||
| Start price/share: | $91.98 | ||||
| End price/share: | $258.46 | ||||
| Starting shares: | 108.72 | ||||
| Ending shares: | 124.71 | ||||
| Dividends reinvested/share: | $16.71 | ||||
| Total return: | 222.32% | ||||
| Average annual return: | 12.42% | ||||
| Starting investment: | $10,000.00 | ||||
| Ending investment: | $32,232.69 | ||||
As shown above, the decade-long investment result worked out quite well, with an annualized rate of return of 12.42%. This would have turned a $10K investment made 10 years ago into $32,232.69 today (as of 09/11/2019). On a total return basis, that’s a result of 222.32% (something to think about: how might MLM shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]
Beyond share price change, another component of MLM’s total return these past 10 years has been the payment by Martin Marietta Materials, Inc. of $16.71/share in dividends to shareholders. Automatic reinvestment of dividends can be a wonderful way to compound returns, and for the above calculations we presume that dividends are reinvested into additional shares of stock. (For the purpose of these calcuations, the closing price on ex-date is used).
Based upon the most recent annualized dividend rate of 2.2/share, we calculate that MLM has a current yield of approximately 0.85%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 2.2 against the original $91.98/share purchase price. This works out to a yield on cost of 0.92%.
One more investment quote to leave you with:
“Those who do not remember the past are condemned to repeat it.” — George Santayana
