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“Someone’s sitting in the shade today because someone planted a tree a long time ago.”

— Warren Buffett

The Warren Buffett investment philosophy calls for a long-term investment horizon, where a two-decade holding period, or even longer, would fit right into the strategy. How would such a strategy have worked out for an investment into Regeneron Pharmaceuticals, Inc. (NASD: REGN)? Today, we examine the outcome of a two-decade investment into the stock back in 1999.

Start date: 05/03/1999
$10,000

05/03/1999
$506,528

05/02/2019
End date: 05/02/2019
Start price/share: $6.62
End price/share: $335.41
Starting shares: 1,509.43
Ending shares: 1,509.43
Dividends reinvested/share: $0.00
Total return: 4,962.79%
Average annual return: 21.67%
Starting investment: $10,000.00
Ending investment: $506,528.26

As we can see, the two-decade investment result worked out exceptionally well, with an annualized rate of return of 21.67%. This would have turned a $10K investment made 20 years ago into $506,528.26 today (as of 05/02/2019). On a total return basis, that’s a result of 4,962.79% (something to think about: how might REGN shares perform over the next 20 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

One more piece of investment wisdom to leave you with:
“It’s not how much money you make, but how much money you keep.” — Robert Kiyosaki