How A $10K Illumina Investment In 2010 Worked Out

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— Warren Buffett

A critical pearl of wisdom from Warren Buffett teaches us that with any potential stock investment we may make, as soon as our buy order is filled we will have a choice: to remain a co-owner of that company for the long haul, or to react to the inevitable short-term ups and downs that the stock market is famous for (sometimes sharp ups and downs).

The reality of this choice forces us to challenge our confidence in any given company we might invest into, and keep our eyes on the long-term time horizon. The market may go up and down the interim, but over a decade-long holding period, will the investment succeed?

Back in 2010, investors may have been asking themselves that very question about Illumina Inc (NASD: ILMN). Let’s examine what would have happened over a decade-long holding period, had you invested in ILMN shares back in 2010 and held on.

ILMN 10-Year Return Details
Start date:	11/05/2010	$10,000 11/05/2010 $55,299 11/04/2020
End date:	11/04/2020
Start price/share:	$56.29
End price/share:	$311.33
Starting shares:	177.65
Ending shares:	177.65
Dividends reinvested/share:	$0.00
Total return:	453.08%
Average annual return:	18.64%
Starting investment:	$10,000.00
Ending investment:	$55,299.11

As we can see, the decade-long investment result worked out exceptionally well, with an annualized rate of return of 18.64%. This would have turned a $10K investment made 10 years ago into $55,299.11 today (as of 11/04/2020). On a total return basis, that’s a result of 453.08% (something to think about: how might ILMN shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

More investment wisdom to ponder:
“Everyone has the brainpower to make money in stocks. Not everyone has the stomach. If you are susceptible to selling everything in a panic, you ought to avoid stocks and mutual funds altogether.” — Peter Lynch