Packaging Corporation of America
US ˙ NYSE ˙ US6951561090

SecurityPKG / Packaging Corporation of America
InstitutionNational Pension Service
Latest Disclosed Ownership5,674 shares
Latest Disclosed Value $ 1,204,136
National Pension Service reports 89.32% decrease in ownership of PKG / Packaging Corporation of America

On May 12, 2026 - National Pension Service filed a 13F-HR form disclosing ownership of 5,674 shares of Packaging Corporation of America (US:PKG) valued at $1,204,136 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 53,121 shares of Packaging Corporation of America. This represents a change in shares of -89.32% during the quarter. The current value of the position is $1,264,281 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)
2026-05-12 2026-03-31 13F PACKAGING CORP AMER COM 695156109 5,674 -47,447 -89.32 1,204 -89.01 0.0009
2026-02-10 2025-12-31 13F PACKAGING CORP AMER PACKAGING CORP AMER 695156109 53,121 6,123 13.03 10,955 6.96 0.0081
2025-11-04 2025-09-30 13F PACKAGING CORP AMER COM 695156109 46,998 9,444 25.15 10,242 44.72 0.0080
2025-08-08 2025-06-30 13F PACKAGING CORP AMER COM 695156109 37,554 1,120 3.07 7,077 -1.90 0.0061
2025-05-13 2025-03-31 13F PACKAGING CORP AMER COM 695156109 36,434 -123,500 -77.22 7,215 -79.96 0.0069
2025-02-05 2024-12-31 13F PACKAGING CORP AMER COM 695156109 159,934 -15,860 -9.02 36,006 -4.91 0.0341
2024-10-30 2024-09-30 13F PACKAGINGCORPAMER COM 695156109 175,794 36,059 25.81 37,866 48.44 0.0365
2024-08-13 2024-06-30 13F PACKAGING CORP AMER COM 695156109 139,735 -5,549 -3.82 25,510 -7.48 0.0293
2024-05-14 2024-03-31 13F PACKAGING CORP AMER COM 695156109 145,284 1,486 1.03 27,572 17.69 0.0331
2024-02-07 2023-12-31 13F PACKAGING CORP AMER COM 695156109 143,798 0 0.00 23,426 9.25 0.0326
2023-11-15 2023-09-30 13F PACKAGING CORP AMER COM 695156109 143,798 143,752 312,504.35 21,443 357,283.33 0.0343
2023-08-16 2023-06-30 13F PACKAGING CORP AMER COM 695156109 46 -152,805 -99.97 6 -99.97 0.0000
2023-05-12 2023-03-31 13F PACKAGING CORP AMER COM 695156109 152,851 3,485 2.33 21,029 10.07 0.0383
2023-02-24 2022-12-31 13F/A-1 PACKAGING CORP AMER COM 695156109 149,366 -1,230 -0.82 19,105 11.07 0.0376
2023-02-21 2022-12-31 13F PACKAGING CORP AMER COM 695156109 149,366 -1,230 19 0.0376
2023-02-24 2022-09-30 13F/A-1 PACKAGING CORP AMER COM 695156109 150,596 11,635 8.37 17,201 -9.98 0.0359
2022-11-18 2022-09-30 13F PACKAGING CORP AMER COM 695156109 150,596 11,635 17,201 0.0359
2022-08-17 2022-06-30 13F PACKAGING CORP AMER COM 695156109 138,961 278 0.20 19,107 -11.75 0.0394
2022-05-13 2022-03-31 13F PACKAGING CORP AMER COM 695156109 138,683 136,776 7,172.31 21,650 8,226.92 0.0395
2022-02-15 2021-12-31 13F PACKAGING CORP AMER COM 695156109 1,907 0 0.00 260 -0.76 0.0005
2021-11-18 2021-09-30 13F PACKAGING CORP AMER COM 695156109 1,907 -8,703 -82.03 262 -81.77 0.0005
2021-08-17 2021-06-30 13F PACKAGING CORP AMER COM 695156109 10,610 1,266 13.55 1,437 14.32 0.0027
2021-05-14 2021-03-31 13F PACKAGING CORP AMER COM 695156109 9,344 -157,796 -94.41 1,257 -94.55 0.0026
2021-02-19 2020-12-31 13F PACKAGING CORP AMER COM 695156109 167,140 161,276 2,750.27 23,050 3,435.28 0.0526
2020-11-13 2020-09-30 13F PACKAGING CORP AMER COM 695156109 5,864 0 0.00 652 11.45 0.0017
2020-08-11 2020-06-30 13F PACKAGING CORP AMER COM 695156109 5,864 5,864 585 0.0017
2018-11-15 2018-09-30 13F PACKAGING CORP AMER COM 695156109 0 -972 -100.00 0 -100.00
2018-08-14 2018-06-30 13F PACKAGING CORP AMER COM 695156109 972 97 11.09 109 10.10 0.0005
2018-04-13 2018-03-31 13F PACKAGING CORP AMER COM 695156109 875 -108,393 -99.20 99 -99.25 0.0005
2018-01-17 2017-12-31 13F PACKAGING CORP AMER COM 695156109 109,268 108,630 17,026.65 13,172 17,700.00 0.0658
2017-10-16 2017-09-30 13F PACKAGING CORP OF AMERICA COM 695156109 638 124 24.12 74 29.82 0.0004
2017-07-13 2017-06-30 13F PACKAGING CORP AMER COM 695156109 514 236 84.89 57 128.00 0.0003
2017-04-11 2017-03-31 13F PACKAGING CORP AMER COM 695156109 278 0 0.00 25 4.17 0.0002
2017-01-18 2016-12-31 13F PACKAGING CORP AMER COM 695156109 278 278 24 0.0002
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.