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

— Warren Buffett

The above quote from Warren Buffett is timeless, and brings into focus the choice about time horizon that any investor should think about before buying a stock they are considering. Behind every stock is an actual business; what will that business look like over a twenty year period?

Today, let’s look backwards in time to 1999, and take a look at what happened to investors who asked that very question about Alexion Pharmaceuticals Inc. (NASD: ALXN), by taking a look at the investment outcome over a twenty year holding period.

Start date: 07/26/1999
$10,000

07/26/1999
$490,124

07/25/2019
End date: 07/25/2019
Start price/share: $2.41
End price/share: $118.03
Starting shares: 4,149.38
Ending shares: 4,149.38
Dividends reinvested/share: $0.00
Total return: 4,797.51%
Average annual return: 21.47%
Starting investment: $10,000.00
Ending investment: $490,124.39

As shown above, the twenty year investment result worked out exceptionally well, with an annualized rate of return of 21.47%. This would have turned a $10K investment made 20 years ago into $490,124.39 today (as of 07/25/2019). On a total return basis, that’s a result of 4,797.51% (something to think about: how might ALXN shares perform over the next 20 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

More investment wisdom to ponder:
“Financial peace isn’t the acquisition of stuff. It’s learning to live on less than you make, so you can give money back and have money to invest. You can’t win until you do this.” — Dave Ramsey