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
Q2 2021Dodge & Cox Stock FundSell-549,190115,401,489$3,608,605
Q1 2021Renaissance Technologies LLCSell-1,820,565168,384$4,482
Q1 2021Scion Asset ManagementBuy225,000225,000$5,990
Q1 2021Appaloosa ManagementBuy294,4608,395,000$223,475
Q1 2021Dodge & Cox Stock FundSell-4,265,568115,950,679$3,086,607
Q1 2021Icahn Capital ManagementSell-2,600,00086,027,271$2,290,046
Q4 2020Renaissance Technologies LLCSell-938,8351,988,949$34,429
Q4 2020Appaloosa ManagementBuy8,100,5408,100,540$140,220
Q4 2020Dodge & Cox Stock FundSell-1,092,769120,216,247$2,080,943
Q3 2020Meritage GroupBuy43,35543,355$434
Q3 2020Dodge & Cox Stock FundSell-2,368,158121,309,016$1,214,303
Q2 2020Fairholme Capital ManagementSell-101,380328,110$6,004
Q2 2020Dodge & Cox Stock FundBuy5,814,618123,677,174$2,263,292
Q1 2020Matrix Advisors Value FundSell-112,783167,122$1,935
Q1 2020Fairholme Capital ManagementBuy429,490429,490$4,973
Q1 2020Renaissance Technologies LLCBuy1,044,4002,927,784$33,904
Q1 2020Icahn Capital ManagementBuy66,055,41788,627,271$1,026,304
Q1 2020Dodge & Cox Stock FundBuy29,625,829117,862,556$1,364,848
Q4 2019Matrix Advisors Value FundBuy14,436279,905$11,535
Q4 2019Renaissance Technologies LLCBuy914,5001,883,384$77,614
Q4 2019Berkshire HathawayBuy11,465,54618,933,054$780,231
Q4 2019Icahn Capital ManagementSell-3,760,53422,571,854$930,186
Q4 2019Dodge & Cox Stock FundSell-915,11988,236,727$3,636,236
Q3 2019Matrix Advisors Value FundBuy40,394265,469$11,805
Q3 2019Renaissance Technologies LLCSell-531,564968,884$43,086
Q3 2019Berkshire HathawayBuy7,467,5087,467,508$332,079
Q3 2019Icahn Capital ManagementSell-6,912,04126,332,388$1,171,001
Q3 2019Dodge & Cox Stock FundBuy34,741,95689,151,846$3,964,583
Q2 2019Matrix Advisors Value FundSell-15,126225,075$11,317
Q2 2019Renaissance Technologies LLCBuy126,9001,500,448$75,443

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.