Graphic Packaging Holding (NYSE:GPK) has outperformed the market over the past 15 years by 5.47% on an annualized basis producing an average annual return of 17.6%. Currently, Graphic Packaging Holding has a market capitalization of $8.36 billion. Buying $1000 In GPK: If an investor had bought $1000 of GPK stock 15 years ago, it would be worth $12,303.17 today based on a price of $27.19 for GPK at the time of writing. Graphic Packaging Holding’s Performance Over Last 15 YearsFinally — what’s the point of all this? The key insight to take from this article is to note how much of a difference c…