Packaging Corporation of America
US ˙ NYSE ˙ US6951561090

SecurityPKG / Packaging Corporation of America
InstitutionCitigroup Inc
Latest Disclosed Ownership181,593 shares
Latest Disclosed Value $ 38,537,666
Citigroup Inc ownership in PKG / Packaging Corporation of America

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 181,593 shares of Packaging Corporation of America (US:PKG) valued at $38,537,666 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 94,877 shares of Packaging Corporation of America. This represents a change in shares of 91.40% during the quarter. The current value of the position is $40,747,653 USD.

Citigroup Inc has a history of taking positions in derivatives of the underlying security (PKG) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

PKG / Packaging Corporation of America Historical Put/Call Ratio
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)
2026-05-11 2026-03-31 13F PACKAGING CORP AMER COM 695156109 181,593 86,716 91.40 38,538 96.96 0.0083
2026-02-13 2025-12-31 13F PACKAGING CORP AMER COM 695156109 94,877 13,706 16.89 19,566 10.61 0.0086
2025-11-10 2025-09-30 13F PACKAGING CORP AMER COM 695156109 81,171 -9,237 -10.22 17,690 3.83 0.0079
2025-08-11 2025-06-30 13F PACKAGING CORP AMER COM 695156109 90,408 -11,006 -10.85 17,037 -15.16 0.0084
2025-05-12 2025-03-31 13F PACKAGING CORP AMER COM 695156109 101,414 10,840 11.97 20,082 -1.52 0.0103
2025-02-12 2024-12-31 13F PACKAGING CORP AMER COM 695156109 90,574 -24,431 -21.24 20,391 -17.69 0.0121
2024-11-12 2024-09-30 13F PACKAGING CORP AMER COM 695156109 115,005 27,018 30.71 24,772 54.23 0.0143
2024-08-12 2024-06-30 13F PACKAGING CORP AMER COM 695156109 87,987 -1,035 -1.16 16,063 -4.92 0.0103
2024-05-10 2024-03-31 13F PACKAGING CORP AMER COM 695156109 89,022 10,768 13.76 16,895 32.52 0.0111
2024-02-09 2023-12-31 13F PACKAGING CORP AMER COM 695156109 78,254 10,705 15.85 12,748 22.91 0.0090
2023-12-06 2023-09-30 13F/A-1 PACKAGING CORP AMER COM 695156109 67,549 -112,052 -62.39 10,372 -56.30 0.0078
2023-11-09 2023-09-30 13F PACKAGING CORP AMER COM 695156109 67,549 -112,052 10,372 0.0031
2023-08-10 2023-06-30 13F PACKAGING CORP AMER COM 695156109 179,601 90,791 102.23 23,736 92.52 0.0156
2023-05-11 2023-03-31 13F PACKAGING CORP AMER COM 695156109 88,810 10,194 12.97 12,329 22.62 0.0086
2023-02-09 2022-12-31 13F PACKAGING CORP AMER COM 695156109 78,616 -51,922 -39.78 10,056 -31.40 0.0080
2022-11-10 2022-09-30 13F PACKAGING CORP AMER COM 695156109 130,538 53,845 70.21 14,658 39.00 0.0105
2022-08-10 2022-06-30 13F PACKAGING CORP AMER COM 695156109 76,693 -25,578 -25.01 10,545 -33.95 0.0078
2022-05-12 2022-03-31 13F PACKAGING CORP AMER COM 695156109 102,271 7,535 7.95 15,966 23.79 0.0097
2022-02-10 2021-12-31 13F PACKAGING CORP AMER COM 695156109 94,736 842 0.90 12,898 -0.05 0.0069
2021-11-10 2021-09-30 13F PACKAGING CORP AMER COM 695156109 93,894 -29,850 -24.12 12,904 -23.00 0.0076
2021-08-10 2021-06-30 13F PACKAGING CORP AMER COM 695156109 123,744 -2,438 -1.93 16,758 -1.24 0.0101
2021-05-13 2021-03-31 13F PACKAGING CORP AMER COM 695156109 126,182 -93,091 -42.45 16,968 -43.89 0.0110
2021-02-11 2020-12-31 13F PACKAGING CORP AMER COM 695156109 219,273 -7,272 -3.21 30,239 22.40 0.0179
2020-11-12 2020-09-30 13F PACKAGING CORP AMER COM 695156109 226,545 29,834 15.17 24,705 25.84 0.0161
2020-08-12 2020-06-30 13F PACKAGING CORP AMER COM 695156109 196,711 29,920 17.94 19,632 35.55 0.0153
2020-05-12 2020-03-31 13F PACKAGING CORP AMER COM 695156109 166,791 -20,443 -10.92 14,483 -30.93 0.0131
2020-02-12 2019-12-31 13F PACKAGING CORP AMER COM 695156109 187,234 -4,855 -2.53 20,969 2.89 0.0152
2019-11-08 2019-09-30 13F PACKAGING CORP AMER COM 695156109 192,089 -64,791 -25.22 20,381 -16.76 0.0162
2019-08-12 2019-06-30 13F PACKAGING CORP AMER COM 695156109 256,880 45,362 21.45 24,486 16.48 0.0198
2019-05-13 2019-03-31 13F PACKAGING CORP AMER COM 695156109 211,518 58,182 37.94 21,021 64.27 0.0203
2019-02-12 2018-12-31 13F PACKAGING CORP AMER COM 695156109 153,336 1,179 0.77 12,797 -23.33 0.0130
2018-11-13 2018-09-30 13F PACKAGING CORP AMER COM 695156109 152,157 27,277 21.84 16,690 19.56 0.0149
2018-08-10 2018-06-30 13F PACKAGING CORP AMER COM 695156109 124,880 8,943 7.71 13,960 6.84 0.0128
2018-05-11 2018-03-31 13F PACKAGING CORP AMER COM 695156109 115,937 18,837 19.40 13,066 11.64 0.0108
2018-02-12 2017-12-31 13F PACKAGING CORP AMER COM 695156109 97,100 9,996 11.48 11,704 17.16 0.0094
2017-11-13 2017-09-30 13F PACKAGING CORP AMER COM 695156109 87,104 56,602 185.57 9,990 194.08 0.0082
2017-08-11 2017-06-30 13F PACKAGING CORP AMER COM 695156109 30,502 14,090 85.85 3,397 126.01 0.0031
2017-05-12 2017-03-31 13F PACKAGING CORP AMER COM 695156109 16,412 -94,858 -85.25 1,503 -84.08 0.0013
2017-02-10 2016-12-31 13F PACKAGING CORP AMER COM 695156109 111,270 63,202 131.48 9,438 141.63 0.0085
2016-11-10 2016-09-30 13F PACKAGING CORP AMER COM 695156109 48,068 20,463 74.13 3,906 111.36 0.0036
2016-08-12 2016-06-30 13F PACKAGING CORP AMER COM 695156109 27,605 6,287 29.49 1,848 43.59 0.0019
2016-05-13 2016-03-31 13F PACKAGING CORP AMER COM 695156109 21,318 -24,990 -53.96 1,287 -55.92 0.0014
2016-02-12 2015-12-31 13F PACKAGING CORP AMER COM 695156109 46,308 -22,115 -32.32 2,920 -29.06 0.0029
2015-11-13 2015-09-30 13F PACKAGING CORP AMER COM 695156109 68,423 -363,681 -84.17 4,116 -84.76 0.0039
2015-08-13 2015-06-30 13F PACKAGING CORP AMER COM 695156109 432,104 404,017 1,438.45 27,003 1,129.09 0.0240
2015-05-14 2015-03-31 13F PACKAGING CORP AMER COM 695156109 28,087 13,445 91.82 2,197 92.21 0.0021
2015-02-17 2014-12-31 13F PACKAGING CORP AMER COM 695156109 14,642 -16,223 -52.56 1,143 -41.98 0.0010
2014-11-14 2014-09-30 13F PACKAGING CORP AMER COM 695156109 30,865 16,055 108.41 1,970 86.02 0.0017
2014-08-14 2014-06-30 13F PACKAGING CORP AMER COM 695156109 14,810 5,317 56.01 1,059 58.77 0.0010
2014-05-15 2014-03-31 13F PACKAGING CORP AMER COM 695156109 9,493 -38,931 -80.40 667 -78.23 0.0007
2014-02-14 2013-12-31 13F PACKAGING CORP AMER COM 695156109 48,424 32,190 198.29 3,064 230.53 0.0028
2013-11-14 2013-09-30 13F PACKAGING CORP AMER COM 695156109 16,234 5,240 47.66 927 72.30 0.0009
2013-08-14 2013-06-30 13F PACKAGING CORP AMER COM 695156109 10,994 10,994 538 0.0005
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2021-02-11 2020-12-31 13F PACKAGING CORP AMER COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-11-12 2020-09-30 13F PACKAGING CORP AMER COM Call 200 -50.00 22 -45.00 n/a n/a n/a
2020-08-12 2020-06-30 13F PACKAGING CORP AMER COM Call 400 -94.59 40 -93.78 n/a n/a n/a
2020-05-12 2020-03-31 13F PACKAGING CORP AMER COM Call 7,400 10.45 643 -14.27 n/a n/a n/a
2020-02-12 2019-12-31 13F PACKAGING CORP AMER COM Call 6,700 1.52 750 7.14 n/a n/a n/a
2019-11-08 2019-09-30 13F PACKAGING CORP AMER COM Call 6,600 78.38 700 98.30 n/a n/a n/a
2019-08-12 2019-06-30 13F PACKAGING CORP AMER COM Call 3,700 311.11 353 296.63 n/a n/a n/a
2019-05-13 2019-03-31 13F PACKAGING CORP AMER COM Call 900 -30.77 89 -17.59 n/a n/a n/a
2019-02-12 2018-12-31 13F PACKAGING CORP AMER COM Call 1,300 -56.67 108 -67.17 n/a n/a n/a
2018-11-13 2018-09-30 13F PACKAGING CORP AMER COM Call 3,000 -43.40 329 -44.43 n/a n/a n/a
2018-08-10 2018-06-30 13F PACKAGING CORP AMER COM Call 5,300 89.29 592 87.34 n/a n/a n/a
2018-05-11 2018-03-31 13F PACKAGING CORP AMER COM Call 2,800 -9.68 316 -15.51 n/a n/a n/a
2018-02-12 2017-12-31 13F PACKAGING CORP AMER COM Call 3,100 -88.60 374 -88.01 n/a n/a n/a
2017-11-13 2017-09-30 13F PACKAGING CORP AMER COM Call 27,200 5,340.00 3,119 5,469.64 n/a n/a n/a
2017-08-11 2017-06-30 13F PACKAGING CORP AMER COM Call 500 -28.57 56 -12.50 n/a n/a n/a
2017-05-12 2017-03-31 13F PACKAGING CORP AMER COM Call 700 -88.14 64 -87.20 n/a n/a n/a
2017-02-10 2016-12-31 13F PACKAGING CORP AMER COM Call 5,900 11.32 500 16.01 n/a n/a n/a
2016-11-10 2016-09-30 13F PACKAGING CORP AMER COM Call 5,300 253.33 431 331.00 n/a n/a n/a
2016-08-12 2016-06-30 13F PACKAGING CORP AMER COM Call 1,500 1,400.00 100 1,566.67 n/a n/a n/a
2016-05-13 2016-03-31 13F PACKAGING CORP AMER COM Call 100 -98.15 6 -98.24 n/a n/a n/a
2016-02-12 2015-12-31 13F PACKAGING CORP AMER COM Call 5,400 -32.50 340 -29.31 n/a n/a n/a
2015-11-13 2015-09-30 13F PACKAGING CORP AMER COM Call 8,000 11.11 481 6.89 n/a n/a n/a
2015-08-13 2015-06-30 13F PACKAGING CORP AMER COM Call 7,200 -81.54 450 -79.79 n/a n/a n/a
2013-11-14 2013-09-30 13F PACKAGING CORP AMER COM Call 39,000 2,227 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2021-02-11 2020-12-31 13F PACKAGING CORP AMER COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2020-11-12 2020-09-30 13F PACKAGING CORP AMER COM Put 1,000 -50.00 109 -45.50 n/a n/a n/a
2020-08-12 2020-06-30 13F PACKAGING CORP AMER COM Put 2,000 -37.50 200 -28.06 n/a n/a n/a
2020-05-12 2020-03-31 13F PACKAGING CORP AMER COM Put 3,200 52.38 278 18.30 n/a n/a n/a
2020-02-12 2019-12-31 13F PACKAGING CORP AMER COM Put 2,100 31.25 235 38.24 n/a n/a n/a
2019-11-08 2019-09-30 13F PACKAGING CORP AMER COM Put 1,600 45.45 170 61.90 n/a n/a n/a
2019-08-12 2019-06-30 13F PACKAGING CORP AMER COM Put 1,100 -42.11 105 -44.44 n/a n/a n/a
2019-05-13 2019-03-31 13F PACKAGING CORP AMER COM Put 1,900 -13.64 189 2.72 n/a n/a n/a
2019-02-12 2018-12-31 13F PACKAGING CORP AMER COM Put 2,200 -95.10 184 -96.26 n/a n/a n/a
2018-11-13 2018-09-30 13F PACKAGING CORP AMER COM Put 44,900 1,503.57 4,925 1,473.48 n/a n/a n/a
2018-08-10 2018-06-30 13F PACKAGING CORP AMER COM Put 2,800 154.55 313 152.42 n/a n/a n/a
2018-05-11 2018-03-31 13F PACKAGING CORP AMER COM Put 1,100 1,000.00 124 933.33 n/a n/a n/a
2018-02-12 2017-12-31 13F PACKAGING CORP AMER COM Put 100 -97.56 12 -97.45 n/a n/a n/a
2017-11-13 2017-09-30 13F PACKAGING CORP AMER COM Put 4,100 -41.43 470 -39.74 n/a n/a n/a
2017-08-11 2017-06-30 13F PACKAGING CORP AMER COM Put 7,000 250.00 780 326.23 n/a n/a n/a
2017-05-12 2017-03-31 13F PACKAGING CORP AMER COM Put 2,000 11.11 183 19.61 n/a n/a n/a
2017-02-10 2016-12-31 13F PACKAGING CORP AMER COM Put 1,800 80.00 153 88.89 n/a n/a n/a
2016-11-10 2016-09-30 13F PACKAGING CORP AMER COM Put 1,000 81 n/a n/a n/a
2016-08-12 2016-06-30 13F PACKAGING CORP AMER COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2016-05-13 2016-03-31 13F PACKAGING CORP AMER COM Put 600 -75.00 36 -76.16 n/a n/a n/a
2016-02-12 2015-12-31 13F PACKAGING CORP AMER COM Put 2,400 -47.83 151 -45.49 n/a n/a n/a
2015-11-13 2015-09-30 13F PACKAGING CORP AMER COM Put 4,600 -36.99 277 -39.25 n/a n/a n/a
2015-08-13 2015-06-30 13F PACKAGING CORP AMER COM Put 7,300 456 n/a n/a n/a
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.