Packaging Corporation of America
US ˙ NYSE ˙ US6951561090

SecurityPKG / Packaging Corporation of America
InstitutionNorthern Trust Corp
Latest Disclosed Ownership940,349 shares
Latest Disclosed Value $ 199,560,865
Northern Trust Corp reports 10.55% decrease in ownership of PKG / Packaging Corporation of America

On May 14, 2026 - Northern Trust Corp filed a 13F-HR form disclosing ownership of 940,349 shares of Packaging Corporation of America (US:PKG) valued at $199,560,865 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 1,051,301 shares of Packaging Corporation of America. This represents a change in shares of -10.55% during the quarter. The current value of the position is $211,004,912 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)
2026-05-14 2026-03-31 13F PACKAGING CORP AMER COM 695156109 940,349 -110,952 -10.55 199,561 -7.96 0.0054
2026-02-17 2025-12-31 13F PACKAGING CORP AMER COM 695156109 1,051,301 -85,266 -7.50 216,810 -12.47 0.0057
2025-11-14 2025-09-30 13F PACKAGING CORP AMER COM 695156109 1,136,567 142,291 14.31 247,692 32.19 0.0317
2025-08-13 2025-06-30 13F PACKAGING CORP AMER COM 695156109 994,276 -45,592 -4.38 187,371 -9.01 0.0258
2025-05-13 2025-03-31 13F PACKAGING CORP AMER COM 695156109 1,039,868 -70,554 -6.35 205,915 -17.63 0.0306
2025-02-14 2024-12-31 13F PACKAGING CORP AMER COM 695156109 1,110,422 133,427 13.66 249,989 18.79 0.0354
2024-11-13 2024-09-30 13F PACKAGING CORP AMER COM 695156109 976,995 -120,399 -10.97 210,445 5.04 0.0344
2024-08-14 2024-06-30 13F PACKAGING CORP AMER COM 695156109 1,097,394 -24,251 -2.16 200,340 -5.88 0.0338
2024-05-14 2024-03-31 13F PACKAGING CORP AMER COM 695156109 1,121,645 -61,152 -5.17 212,866 10.47 0.0368
2024-02-13 2023-12-31 13F PACKAGING CORP AMER COM 695156109 1,182,797 27,974 2.42 192,689 8.67 0.0349
2023-11-13 2023-09-30 13F PACKAGING CORP AMER COM 695156109 1,154,823 131,058 12.80 177,323 31.06 0.0343
2023-08-11 2023-06-30 13F PACKAGING CORP AMER COM 695156109 1,023,765 -72,680 -6.63 135,301 -11.11 0.0260
2023-05-15 2023-03-31 13F PACKAGING CORP AMER COM 695156109 1,096,445 -3,590 -0.33 152,219 8.18 0.0302
2023-02-13 2022-12-31 13F PACKAGING CORP AMER COM 695156109 1,100,035 14,581 1.34 140,705 15.44 0.0295
2022-11-14 2022-09-30 13F PACKAGING CORP AMER COM 695156109 1,085,454 -13,288 -1.21 121,886 -19.32 0.0278
2022-08-12 2022-06-30 13F PACKAGING CORP AMER COM 695156109 1,098,742 -11,603 -1.04 151,076 -12.84 0.0324
2022-05-13 2022-03-31 13F PACKAGING CORP AMER COM 695156109 1,110,345 -45,447 -3.93 173,336 10.15 0.0305
2022-02-08 2021-12-31 13F PACKAGING CORP AMER COM 695156109 1,155,792 -15,475 -1.32 157,360 -2.25 0.0258
2021-11-15 2021-09-30 13F PACKAGING CORP AMER COM 695156109 1,171,267 1,582 0.14 160,979 1.63 0.0285
2021-08-13 2021-06-30 13F PACKAGING CORP AMER COM 695156109 1,169,685 -22,432 -1.88 158,400 -1.20 0.0279
2021-05-12 2021-03-31 13F PACKAGING CORP AMER COM 695156109 1,192,117 24,325 2.08 160,316 -0.46 0.0298
2021-02-11 2020-12-31 13F PACKAGING CORP AMER COM 695156109 1,167,792 -62,657 -5.09 161,052 20.03 0.0314
2020-11-16 2020-09-30 13F PACKAGING CORP AMER COM 695156109 1,230,449 1,421 0.12 134,180 9.39 0.0294
2020-08-14 2020-06-30 13F PACKAGING CORP AMER COM 695156109 1,229,028 77,882 6.77 122,657 22.71 0.0291
2020-05-14 2020-03-31 13F PACKAGING CORP AMER COM 695156109 1,151,146 11,658 1.02 99,954 -21.67 0.0287
2020-02-14 2019-12-31 13F PACKAGING CORP AMER COM 695156109 1,139,488 3,454 0.30 127,611 5.87 0.0286
2019-11-13 2019-09-30 13F PACKAGING CORP AMER COM 695156109 1,136,034 -20,452 -1.77 120,532 9.34 0.0289
2019-08-13 2019-06-30 13F PACKAGING CORP AMER COM 695156109 1,156,486 18,600 1.63 110,237 -2.52 0.0261
2019-05-13 2019-03-31 13F PACKAGING CORP AMER COM 695156109 1,137,886 15,142 1.35 113,083 20.68 0.0279
2019-02-12 2018-12-31 13F PACKAGING CORP AMER COM 695156109 1,122,744 5,411 0.48 93,703 -23.55 0.0263
2018-11-14 2018-09-30 13F PACKAGING CORP AMER COM 695156109 1,117,333 -17,968 -1.58 122,561 -3.43 0.0300
2018-09-18 2018-06-30 13F/A-1 PACKAGING CORP AMER COM 695156109 1,135,301 -23,379 -2.02 126,915 -2.81 0.0322
2018-08-14 2018-06-30 13F PACKAGING CORP AMER COM 695156109 1,141,474 -17,206 127,605
2018-05-09 2018-03-31 13F PACKAGING CORP AMER COM 695156109 1,158,680 -29,687 -2.50 130,584 -8.85 0.0340
2018-02-14 2017-12-31 13F PACKAGING CORP AMER COM 695156109 1,188,367 -29,640 -2.43 143,258 2.56 0.0363
2017-11-13 2017-09-30 13F PACKAGING CORP AMER COM 695156109 1,218,007 139,528 12.94 139,682 16.27 0.0364
2017-08-11 2017-06-30 13F PACKAGING CORP AMER COM 695156109 1,078,479 46,737 4.53 120,132 27.09 0.0336
2017-05-12 2017-03-31 13F PACKAGING CORP AMER COM 695156109 1,031,742 19,520 1.93 94,528 10.10 0.0273
2017-02-13 2016-12-31 13F PACKAGING CORP AMER COM 695156109 1,012,222 -5,524 -0.54 85,857 3.81 0.0263
2016-11-09 2016-09-30 13F PACKAGING CORP AMER COM 695156109 1,017,746 42,489 4.36 82,702 26.70 0.0258
2016-08-12 2016-06-30 13F PACKAGING CORP AMER COM 695156109 975,257 2,873 0.30 65,275 11.17 0.0212
2016-08-19 2016-03-31 13F/A-1 PACKAGING CORP AMER COM 695156109 972,384 52,824 5.74 58,714 1.27 0.0195
2016-05-13 2016-03-31 13F Packaging Corp Amer COMM 695156109 972,379 58,734
2016-02-12 2015-12-31 13F Packaging Corp Amer COMM 695156109 919,560 -50,400 -5.20 57,978 -0.64 0.0192
2015-11-12 2015-09-30 13F Packaging Corp Amer COMM 695156109 969,960 969,960 0.00 58,352 0.0195
2015-08-13 2015-06-30 13F Packaging Corp Amer COMM 695156109 0 -796,869 -100.00 0 -100.00
2015-05-14 2015-03-31 13F Packaging Corp Amer COMM 695156109 796,869 5,505 0.70 62,308 0.88 0.0187
2015-02-12 2014-12-31 13F Packaging Corp Amer COM 695156109 791,364 647 0.08 61,766 22.40 0.0186
2014-11-13 2014-09-30 13F Packaging Corp Amer COMM 695156109 790,717 -83,015 -9.50 50,464 -19.21 0.0158
2014-08-14 2014-06-30 13F PACKAGING CORP AMER com 695156109 873,732 21,204 2.49 62,463 4.12 0.0195
2014-05-14 2014-03-31 13F PACKAGING CORP AMER COMM 695156109 852,528 -53,376 -5.89 59,992 4.65 0.0189
2014-02-21 2013-12-31 13F/A-1 PACKAGING CORP AMER COM 695156109 905,904 20,046 2.26 57,327 13.35 0.0184
2014-02-12 2013-12-31 13F PACKAGING CORP AMER COM 695156109 905,904 57,327
2013-11-13 2013-09-30 13F PACKAGING CORP AMER COM 695156109 885,858 116,048 15.07 50,574 34.18 0.0178
2013-08-09 2013-06-30 13F PACKAGING CORP AMER COM 695156109 769,810 769,810 37,690 0.0137
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.