OCCIDENTAL PETROLEUM CORP (OXY) Stock Institutional Trading Activity


OCCIDENTAL PETROLEUM CORP (OXY) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, H&H International Investment, Cullen Value Fund, Dodge & Cox Stock Fund, and Sequoia Financial Advisors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2022Fairfax Financial HoldingsBuy35,000921,500$56,626
Q3 2022Berkshire HathawayBuy35,801,921194,351,650$11,942,909
Q3 2022Dodge & Cox Stock FundSell-3,442,75394,978,388$5,836,422
Q2 2022Sequoia Financial AdvisorsBuy1,9897,506$442
Q2 2022Renaissance Technologies LLCSell-1,148,940118,444$6,974
Q2 2022Muhlenkamp & CoSell-645231,962$13,658
Q2 2022Appaloosa ManagementSell-1,965,000875,000$51,520
Q2 2022Fairfax Financial HoldingsBuy886,500886,500$52,215
Q2 2022Berkshire HathawayBuy22,176,729158,549,729$9,335,408
Q2 2022Dodge & Cox Stock FundSell-2,287,92598,421,141$5,795,037
Q1 2022Sequoia Financial AdvisorsBuy2,6115,517$313
Q1 2022Meritage GroupSell-1,5596,456$366
Q1 2022Muhlenkamp & CoBuy232,607232,607$13,198
Q1 2022Renaissance Technologies LLCSell-3,063,1571,267,384$71,911
Q1 2022Appaloosa ManagementSell-3,760,0002,840,000$161,142
Q1 2022Berkshire HathawayBuy117,439,946136,373,000$7,737,804
Q1 2022Dodge & Cox Stock FundSell-11,822,694100,709,066$5,714,232
Q4 2021Meritage GroupBuy4428,015$232
Q4 2021Renaissance Technologies LLCBuy2,061,0574,330,541$125,542
Q4 2021Appaloosa ManagementSell-40,0006,600,000$191,334
Q4 2021Dodge & Cox Stock FundSell-2,769,327112,531,760$3,262,296
Q3 2021Renaissance Technologies LLCSell-893,2002,269,484$67,131
Q3 2021Appaloosa ManagementBuy930,0006,640,000$196,411
Q3 2021Dodge & Cox Stock FundSell-100,402115,301,087$3,410,606
Q3 2021Icahn Capital ManagementSell-4,125,00045,000,346$1,331,110
Q2 2021Meritage GroupSell-35,7827,573$237
Q2 2021Semper Augustus Investments GroupBuy21,00021,000$657
Q2 2021Renaissance Technologies LLCBuy2,994,3003,162,684$98,897
Q2 2021Appaloosa ManagementSell-2,685,0005,710,000$178,552
Q2 2021Icahn Capital ManagementSell-36,901,92549,125,346$1,536,150

Frequently asked questions about OXY activity

  • Which institutional owners are buying OXY?

    Institutional owners buying OXY include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in OXY activity?

    "Buy" means an investor increased their reported position in OXY compared to the prior reporting period. This reflects growing exposure to OCCIDENTAL PETROLEUM CORP (OXY) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in OXY increasing?

    Institutional interest in OXY can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.