Packaging Corporation of America
US ˙ NYSE ˙ US6951561090

SecurityPKG / Packaging Corporation of America
InstitutionPrincipal Securities, Inc.
Latest Disclosed Ownership1,964 shares
Latest Disclosed Value $ 416,872
Principal Securities, Inc. reports 21.38% decrease in ownership of PKG / Packaging Corporation of America

On May 13, 2026 - Principal Securities, Inc. filed a 13F-HR form disclosing ownership of 1,964 shares of Packaging Corporation of America (US:PKG) valued at $416,800 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 2,498 shares of Packaging Corporation of America. This represents a change in shares of -21.38% during the quarter. The current value of the position is $440,702 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-13 2026-03-31 13F PACKAGING CORP AMER COM 695156109 1,964 -534 -21.38 417 -19.22 0.0061
2026-02-12 2025-12-31 13F PACKAGING CORP AMER COM 695156109 2,498 124 5.22 515 -0.39 0.0079
2025-11-12 2025-09-30 13F PACKAGING CORP AMER COM 695156109 2,374 144 6.46 517 23.10 0.0085
2025-08-11 2025-06-30 13F PACKAGING CORP AMER COM 695156109 2,230 424 23.48 420 3.45 0.0079
2025-04-30 2025-03-31 13F PACKAGING CORP AMER COM 695156109 1,806 0 0.00 407 0.00 0.0091
2025-01-30 2024-12-31 13F PACKAGING CORP AMER COM 695156109 1,806 506 38.92 407 45.00 0.0092
2024-10-28 2024-09-30 13F PACKAGING CORP AMER COM 695156109 1,300 267 25.85 280 48.94 0.0068
2024-07-31 2024-06-30 13F PACKAGING CORP AMER COM 695156109 1,033 333 47.57 189 42.42 0.0052
2024-05-10 2024-03-31 13F PACKAGING CORP AMER COM 695156109 700 26 3.86 133 21.10 0.0041
2024-05-10 2023-12-31 13F/A-1 PACKAGING CORP AMER COM 695156109 674 674 110 0.0041
2024-02-07 2023-12-31 13F PACKAGING CORP AMER COM 695156109 674 674 110 0.0041
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.