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Livermore
Livermore
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Packaging Corp of America

PKG
Exchange
NYSE
Industry
Paperboard Containers & Boxes
SEC CIK
0000075677

In the last 90 days, Packaging Corp of America insiders filed 0 open-market purchases and 3 sales; 904 institutions reported holding it in 13F filings for Q2 2026, worth $20.8B in total; no superinvestor holds it.

Holders of 5% or more of PKG

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Packaging Corp of America, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of PKG
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A8.30%7.42M shares–Apr 17, 20251 filingApr 17, 2025SEC
Vanguard Capital Management LLC13G7.54%6.72M sharesNewApr 30, 20261 filingApr 30, 2026SEC
Price T Rowe Associates Inc13G7.30%6.53M sharesNewMay 15, 20261 filingMay 15, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

4 Schedule 13D and 13G filings on Packaging Corp of America, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on PKG
Filed (ET)FilerFormStakeChangeEvent dateFiling
May 15, 202610:07 AM ETPrice T Rowe Associates Inc13G7.30%6.53M sharesNewMar 31, 2026SEC
Apr 30, 202612:10 PM ETVanguard Capital Management LLC13G7.54%6.72M sharesNewMar 31, 2026SEC
Mar 27, 202611:21 AM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Apr 17, 20254:05 PM ETBlackRock, Inc.13G/A8.30%7.42M shares–Mar 31, 2025SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Packaging Corp of America shares.

No Form 144 notices for Packaging Corp of America are on file.