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“I buy on the assumption that they could close the market the next day and not reopen it for five years.”

— Warren Buffett

The investment philosophy practiced by Warren Buffett calls for investors to take a long-term horizon when making an investment, such as a five year holding period (or even longer), and reconsider making the investment in the first place if unable to envision holding the stock for at least five years. Today, we look at how such a long-term strategy would have done for investors in 3M Co (NYSE: MMM) back in 2015, holding through to today.

Start date: 02/19/2015
$10,000

02/19/2015
$10,916

02/18/2020
End date: 02/18/2020
Start price/share: $167.09
End price/share: $158.88
Starting shares: 59.85
Ending shares: 68.72
Dividends reinvested/share: $24.89
Total return: 9.18%
Average annual return: 1.77%
Starting investment: $10,000.00
Ending investment: $10,916.89

The above analysis shows the five year investment result worked out as follows, with an annualized rate of return of 1.77%. This would have turned a $10K investment made 5 years ago into $10,916.89 today (as of 02/18/2020). On a total return basis, that’s a result of 9.18% (something to think about: how might MMM shares perform over the next 5 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Always an important consideration with a dividend-paying company is: should we reinvest our dividends?Over the past 5 years, 3M Co has paid $24.89/share in dividends. For the above analysis, we assume that the investor reinvests dividends into new shares of stock (for the above calculations, the reinvestment is performed using closing price on ex-div date for that dividend).

Based upon the most recent annualized dividend rate of 5.88/share, we calculate that MMM has a current yield of approximately 3.70%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 5.88 against the original $167.09/share purchase price. This works out to a yield on cost of 2.21%.

One more piece of investment wisdom to leave you with:
“Compound interest is the eighth wonder of the world. He who understands it, earns it; he who doesn’t, pays it.” — Albert Einstein