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“Only buy something that you’d be perfectly happy to hold if the market shut down for 10 years.”

— Warren Buffett

The wisdom of Warren Buffett reflects a value-based philosophy about investing that says investors are buying shares in a business, and encourages strategic thinking about investment time horizon. Before placing a buy order for a stock, a great question we can ask is whether we would still be comfortable making the investment if we couldn’t sell it for many years?

A “buy-and-hold” approach may call for a time horizon that spans a long period of time — maybe even lasting for a ten year holding period. Suppose such a “buy-and-hold” investor had looked into buying shares of Comcast Corp (NASD: CMCSA) back in 2009. Let’s take a look at how such an investment would have worked out for that buy-and-hold investor:

Start date: 05/26/2009


End date: 05/23/2019
Start price/share: $7.34
End price/share: $42.73
Starting shares: 1,362.40
Ending shares: 1,640.41
Dividends reinvested/share: $4.35
Total return: 600.95%
Average annual return: 21.50%
Starting investment: $10,000.00
Ending investment: $70,069.83

As we can see, the ten year investment result worked out exceptionally well, with an annualized rate of return of 21.50%. This would have turned a $10K investment made 10 years ago into $70,069.83 today (as of 05/23/2019). On a total return basis, that’s a result of 600.95% (something to think about: how might CMCSA shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Many investors out there refuse to own any stock that lacks a dividend; in the case of Comcast Corp, investors have received $4.35/share in dividends these past 10 years examined in the exercise above. This means total return was driven not just by share price, but also by the dividends received (and what the investor did with those dividends). For this exercise, what we’ve done with the dividends is to assume they are reinvestted — i.e. used to purchase additional shares (the calculations use closing price on ex-date).

Based upon the most recent annualized dividend rate of .84/share, we calculate that CMCSA has a current yield of approximately 1.97%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of .84 against the original $7.34/share purchase price. This works out to a yield on cost of 26.84%.

Another great investment quote to think about:
“Know what you own and why you own it.” — Peter Lynch