Occidental Petroleum Corporation
CH ˙ SWX ˙ US6745991058
SecurityCH:OXY / Occidental Petroleum Corporation
InstitutionAmalgamated Bank
Latest Disclosed Ownership131,397 shares
Latest Disclosed Value $ 8,541
Amalgamated Bank reports 9.81% decrease in ownership of OXY / Occidental Petroleum Corporation

On May 8, 2026 - Amalgamated Bank filed a 13F-HR form disclosing ownership of 131,397 shares of Occidental Petroleum Corporation (CH:OXY) valued at $8,541 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 145,685 shares of Occidental Petroleum Corporation. This represents a change in shares of -9.81% during the quarter.

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)
2026-05-08 2026-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 131,397 -14,288 -9.81 9 60.00 0.0654
2026-02-05 2025-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 145,685 10,260 7.58 6 -16.67 0.0432
2025-10-29 2025-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 135,425 482 0.36 6 20.00 0.0457
2025-08-04 2025-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 134,943 3,216 2.44 6 -16.67 0.0438
2025-04-25 2025-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 131,727 1,929 1.49 7 0.00 0.0556
2025-02-04 2024-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 129,798 -2,213 -1.68 6 0.00 0.0526
2024-10-30 2024-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 132,011 -513 -0.39 7 -25.00 0.0560
2024-08-12 2024-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 132,524 -5,332 -3.87 8 0.00 0.0711
2024-04-23 2024-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 137,856 -28,855 -17.31 9 -11.11 0.0766
2024-02-06 2023-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 166,711 -6,693 -3.86 10 -18.18 0.0794
2023-11-08 2023-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 173,404 -7,310 -4.05 11 10.00 0.0958
2023-08-11 2023-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 180,714 -21,968 -10.84 11 -16.67 0.0860
2023-05-02 2023-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 202,682 -1,515 -0.74 13 0.00 0.1079
2023-02-10 2022-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 204,197 -1,987 -0.96 13 -99.91 0.1147
2022-11-09 2022-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 206,184 -31,597 -13.29 12,670 -9.51 0.1223
2022-08-15 2022-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 237,781 17,800 8.09 14,001 12.17 0.1305
2022-08-25 2022-03-31 13F/A-1 OCCIDENTAL PETROLEUM COM 674599105 219,981 -8,335 -3.65 12,482 88.58 0.0970
2022-06-30 2022-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 219,981 -8,335 12,482 0.0991
2022-02-15 2021-12-31 13F/A-1 OCCIDENTAL PETROLEUM COM 674599105 228,316 -1,698 -0.74 6,619 -2.72 0.0488
2022-02-15 2021-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 228,316 -1,698 6,619 0.0488
2021-10-29 2021-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 230,014 -4,437 -1.89 6,804 -7.19 0.0574
2021-08-16 2021-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 234,451 193,367 470.66 7,331 570.11 0.0588
2021-05-13 2021-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 41,084 -1,881 -4.38 1,094 47.04 0.0410
2021-02-12 2020-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 42,965 -103 -0.24 744 72.62 0.0282
2020-10-30 2020-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 43,068 -479 -1.10 431 -45.92 0.0187
2020-08-10 2020-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 43,547 -87,313 -66.72 797 -47.39 0.0369
2020-05-13 2020-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 130,860 188 0.14 1,515 -71.87 0.0370
2020-02-13 2019-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 130,672 9,745 8.06 5,385 0.13 0.0991
2019-11-13 2019-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 120,927 18,831 18.44 5,378 4.77 0.1131
2019-08-14 2019-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 102,096 11,649 12.88 5,133 -14.28 0.1198
2019-05-15 2019-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 90,447 2,570 2.92 5,988 11.01 0.1451
2019-02-15 2018-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 87,877 -2,306 -2.56 5,394 -27.21 0.1528
2018-11-14 2018-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 90,183 -2,355 -2.54 7,410 -4.31 0.1832
2018-07-18 2018-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 92,538 3,564 4.01 7,744 33.98 0.1893
2018-05-22 2018-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 88,974 -1,439 -1.59 5,780 -13.21 0.1533
2018-02-13 2017-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 90,413 8,526 10.41 6,660 26.66 0.1802
2017-11-09 2017-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 81,887 2,057 2.58 5,258 10.02 0.1638
2017-08-10 2017-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 79,830 32,460 68.52 4,779 59.25 0.1566
2017-05-12 2017-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 47,370 3,859 8.87 3,001 -3.16 0.1494
2017-02-14 2016-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 43,511 14,222 48.56 3,099 45.08 0.1401
2016-11-15 2016-09-30 13F/A-1 OCCIDENTAL PETROLEUM COM 674599105 29,289 224 0.77 2,136 -1.02 0.1239
2016-11-14 2016-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 16,237 1,184
2016-08-16 2016-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 29,065 9,043 45.17 2,158 57.52 0.1249
2016-05-11 2016-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 20,022 -123 -0.61 1,370 0.59 0.1335
2016-02-10 2015-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 20,145 -6,553 -24.54 1,362 -22.88 0.1680
2015-11-04 2015-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 26,698 723 2.78 1,766 -12.57 0.1853
2015-07-10 2015-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 25,975 1,061 4.26 2,020 11.05 0.1984
2015-04-22 2015-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 24,914 24,914 0.00 1,819 0.2221
2015-01-29 2014-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 0 -21,685 -100.00 0 -100.00
2014-11-14 2014-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 21,685 98 0.45 2,085 -5.87 0.3103
2014-08-11 2014-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 21,587 2,012 10.28 2,215 18.77 0.3342
2014-05-12 2014-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 19,575 -393 -1.97 1,865 -1.79 0.3214
2014-02-13 2013-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 19,968 -196 -0.97 1,899 0.69 0.3228
2013-11-14 2013-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 20,164 -477 -2.31 1,886 2.39 0.6060
2013-08-15 2013-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 20,641 1,352 7.01 1,842 21.83 0.6750
2014-02-13 2013-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 19,289 1,130 6.22 1,512 8.70 0.4290
2014-02-11 2012-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 18,159 6,910 61.43 1,391 43.70 0.5794
2014-02-11 2012-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 11,249 358 3.29 968 3.64 0.6148
2014-02-11 2012-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 10,891 0 0.00 934 -9.93 0.6706
2014-02-11 2012-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 10,891 -522 -4.57 1,037 -2.99 0.7203
2014-02-11 2011-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 11,413 0 0.00 1,069 31.00 0.7682
2014-02-11 2011-09-30 13F OCCIDENTAL PETROLEUM COM 674599105 11,413 771 7.24 816 -26.29 0.6686
2014-02-11 2011-06-30 13F OCCIDENTAL PETROLEUM COM 674599105 10,642 -110 -1.02 1,107 -1.42 0.8014
2014-02-11 2011-03-31 13F OCCIDENTAL PETROLEUM COM 674599105 10,752 -528 -4.68 1,123 1.45 0.8160
2014-02-11 2010-12-31 13F OCCIDENTAL PETROLEUM COM 674599105 11,280 11,280 1,107 0.8476
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.