PACKAGING CORP OF AMERICA (PKG) Institutional Ownership and Insiders Activity

PACKAGING CORP OF AMERICA (PKG) is widely held by institutional investors, with 3 tracked firms reporting positions valued at approximately $14.46M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Sound Shore Management is the largest disclosed holder, reporting approximately $11.62M in PKG holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Sound Shore Management representing the majority of disclosed value.

Recent insider activity includes 3 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.