T. Rowe Price Associates Reports 7.3% Stake in Packaging Corp of America (PKG)

On May 15, 2026, T. Rowe Price Associates, Inc. filed a Schedule 13G with the SEC, reporting a new significant ownership stake in Packaging Corp of America (PKG). As of the event date of March 31, 2026, the Baltimore-based investment adviser disclosed beneficial ownership of 6,525,012 shares of common stock, representing 7.3% of the company's total shares outstanding. The filing indicates that T. Rowe Price Associates holds sole dispositive power over all 6,525,012 shares and sole voting power over 6,324,327 shares. This position marks a substantial increase from a previous ownership level of 0.0%, establishing the firm as a major institutional shareholder. The securities were acquired in the ordinary course of business and not for the purpose of influencing or changing control of the issuer. T. Rowe Price Associates, Inc. is a Maryland corporation registered as an investment adviser under Section 203 of the Investment Advisers Act of 1940.