Illumina (NASDAQ:ILMN) has outperformed the market over the past 20 years by 11.63% on an annualized basis producing an average annual return of 19.91%. Currently, Illumina has a market capitalization of $19.94 billion. Buying $1000 In ILMN: If an investor had bought $1000 of ILMN stock 20 years ago, it would be worth $37,705.05 today based on a price of $125.16 for ILMN at the time of writing. Illumina’s Performance Over Last 20 YearsFinally — what’s the point of all this? The key insight to take from this article is to note how much of a difference compounded returns can make in your cash g…