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“When we own portions of outstanding businesses with outstanding managements, our favorite holding period is forever.”

— 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 twenty 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 American Tower Corp (NYSE: AMT) back in 2002, holding through to today.

Start date: 05/03/2002
$10,000

05/03/2002
$594,733

05/02/2022
End date: 05/02/2022
Start price/share: $4.82
End price/share: $236.95
Starting shares: 2,074.69
Ending shares: 2,511.17
Dividends reinvested/share: $28.42
Total return: 5,850.21%
Average annual return: 22.65%
Starting investment: $10,000.00
Ending investment: $594,733.98

As we can see, the twenty year investment result worked out exceptionally well, with an annualized rate of return of 22.65%. This would have turned a $10K investment made 20 years ago into $594,733.98 today (as of 05/02/2022). On a total return basis, that’s a result of 5,850.21% (something to think about: how might AMT shares perform over the next 20 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Notice that American Tower Corp paid investors a total of $28.42/share in dividends over the 20 holding period, marking a second component of the total return beyond share price change alone. Much like watering a tree, reinvesting dividends can help an investment to grow over time — for the above calculations we assume dividend reinvestment (and for this exercise the closing price on ex-date is used for the reinvestment of a given dividend).

Based upon the most recent annualized dividend rate of 5.6/share, we calculate that AMT has a current yield of approximately 2.36%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 5.6 against the original $4.82/share purchase price. This works out to a yield on cost of 48.96%.

More investment wisdom to ponder:
“Experience taught me a few things. One is to listen to your gut, no matter how good something sounds on paper. The second is that you’re generally better off sticking with what you know. And the third is that sometimes your best investments are the ones you don’t make.” — Donald Trump