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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

One of the most important things investors can learn from Warren Buffett, is about how they approach their time horizon for an investment into a stock under consideration. Because immediately after buying shares of a given stock, investors will then be able to check on the day-to-day (and even minute-by-minute) market value. Some days the stock market will be up, other days down. These daily fluctuations can often distract from the long-term view. Today, we look at the result of a five year holding period for an investor who was considering Northrop Grumman Corp (NYSE: NOC) back in 2018, bought the stock, ignored the market’s ups and downs, and simply held through to today.

Start date: 06/18/2018
$10,000

06/18/2018
  $15,168

06/15/2023
End date: 06/15/2023
Start price/share: $322.42
End price/share: $452.87
Starting shares: 31.02
Ending shares: 33.50
Dividends reinvested/share: $28.18
Total return: 51.71%
Average annual return: 8.70%
Starting investment: $10,000.00
Ending investment: $15,168.73

As shown above, the five year investment result worked out well, with an annualized rate of return of 8.70%. This would have turned a $10K investment made 5 years ago into $15,168.73 today (as of 06/15/2023). On a total return basis, that’s a result of 51.71% (something to think about: how might NOC shares perform over the next 5 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Notice that Northrop Grumman Corp paid investors a total of $28.18/share in dividends over the 5 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 7.48/share, we calculate that NOC has a current yield of approximately 1.65%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 7.48 against the original $322.42/share purchase price. This works out to a yield on cost of 0.51%.

One more investment quote to leave you with:
“The most important thing about an investment philosophy is that you have one.” — David Booth