Occidental Petroleum Corporation
MX ˙ BMV ˙ US6745991058
SecurityMX:OXY1 / Occidental Petroleum Corporation
InstitutionPeoples Financial Services Corp.
Latest Disclosed Ownership2,578 shares
Latest Disclosed Value $ 167,570
Peoples Financial Services Corp. ownership in OXY1 / Occidental Petroleum Corporation

On April 20, 2026 - Peoples Financial Services Corp. filed a 13F-HR form disclosing ownership of 2,578 shares of Occidental Petroleum Corporation (MX:OXY1) valued at $167,570 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 26, 2026 disclosing 2,578 shares of Occidental Petroleum Corporation. This represents a change in shares of 0.00% 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)
2026-04-20 2026-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,578 0 0.00 168 59.05 0.0794
2026-01-26 2025-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,578 -18 -0.69 106 -13.93 0.0494
2025-10-28 2025-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,596 0 0.00 123 11.93 0.0554
2025-07-17 2025-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,596 200 8.35 109 -7.63 0.0539
2025-04-30 2025-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,396 100 4.36 118 4.42 0.0568
2025-01-14 2024-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,296 97 4.41 113 0.00 0.0525
2024-10-16 2024-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,199 0 0.00 113 -18.12 0.0514
2024-07-25 2024-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,199 0 0.00 139 -2.82 0.0627
2024-04-17 2024-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,199 0 0.00 143 8.40 0.0620
2024-01-24 2023-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,199 0 0.00 131 -7.75 0.0569
2023-10-13 2023-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,199 0 0.00 143 10.08 0.0672
2023-07-11 2023-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,199 0 0.00 129 -5.84 0.0580
2023-04-13 2023-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,199 -680 -23.62 137 -24.31 0.0641
2023-01-12 2022-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,879 -25 -0.86 181 1.12 0.0849
2022-10-07 2022-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,904 -9 -0.31 179 4.07 0.0923
2022-07-07 2022-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,913 0 0.00 172 3.61 0.0815
2022-04-15 2022-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,913 -30 -1.02 166 93.02 0.0718
2022-01-19 2021-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,943 0 0.00 86 -1.15 0.0334
2021-10-15 2021-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,943 0 0.00 87 -6.45 0.0367
2021-07-14 2021-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 2,943 -400 -11.97 93 4.49 0.0390
2021-04-15 2021-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 3,343 -350 -9.48 89 39.06 0.0387
2021-01-12 2020-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 3,693 0 0.00 64 72.97 0.0294
2020-10-07 2020-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 3,693 0 0.00 37 -44.78 0.0186
2020-07-10 2020-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 3,693 -4,091 -52.56 67 -26.37 0.0353
2020-04-09 2020-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 7,784 -200 -2.51 91 -72.26 0.0535
2020-01-17 2019-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 7,984 0 0.00 328 -7.61 0.1547
2019-10-16 2019-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 7,984 90 1.14 355 -10.58 0.1775
2019-07-11 2019-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 7,894 0 0.00 397 -23.95 0.2014
2019-04-18 2019-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 7,894 -250 -3.07 522 4.40 0.2670
2019-01-14 2018-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 8,144 0 0.00 500 -25.26 0.2842
2018-10-12 2018-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 8,144 0 0.00 669 -1.76 0.3381
2018-07-10 2018-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 8,144 0 0.00 681 28.73 0.3813
2018-04-25 2018-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 8,144 -35 -0.43 529 -12.13 0.3025
2018-01-17 2017-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 8,179 -18 -0.22 602 14.23 0.3294
2017-10-18 2017-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 8,197 0 0.00 527 7.33 0.2990
2017-07-17 2017-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 8,197 -700 -7.87 491 -12.79 0.2875
2017-04-17 2017-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 8,897 -254 -2.78 563 -18.52 0.3356
2017-01-12 2016-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 9,151 -46 -0.50 691 2.98 0.4266
2016-10-20 2016-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 9,197 46 0.50 671 -2.89 0.4173
2016-07-20 2016-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 9,151 0 0.00 691 10.38 0.4266
2016-04-14 2016-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 9,151 -100 -1.08 626 0.00 0.3944
2016-01-27 2015-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 9,251 0 0.00 626 2.29 0.4129
2015-10-19 2015-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 9,251 -460 -4.74 612 -19.05 0.4360
2015-07-09 2015-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 9,711 0 0.00 756 6.63 0.5053
2015-04-09 2015-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 9,711 -1,000 -9.34 709 -17.84 0.4687
2015-01-15 2014-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 10,711 0 0.00 863 -16.21 0.5632
2014-10-29 2014-09-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 10,711 -214 -1.96 1,030 -8.20 0.6960
2014-07-15 2014-06-30 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 10,925 -200 -1.80 1,122 5.85 0.7126
2014-04-07 2014-03-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 11,125 -500 -4.30 1,060 -4.07 0.7868
2014-01-08 2013-12-31 13F OCCIDENTAL PETE CORP DEL COM COMMON STOCK 674599105 11,625 11,625 1,105 0.7286
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.