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Lake Forest, Illinois-based Packaging Corporation of America (PKG) manufactures and sells containerboard and uncoated freesheet (UFS) paper products. Valued at $21.5 billion by market cap, the company also produces multi-color boxes and displays, as well as meat and wax-coated boxes for the agricultural industry.
Shares of this leading producer of containerboard and corrugated packaging products have outperformed the broader market over the past year. PKG has gained 12.6% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 11.7%. In 2026, PKG’s stock rose 15.9%, surpassing the SPX’s marginal rise on a YTD basis.