OCCIDENTAL PETROLEUM CORP (OXY) Institutional Ownership Changes & 13F Activity

OCCIDENTAL PETROLEUM CORP (OXY) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Dodge & Cox Stock Fund, H&H International Investment, Sequoia Financial Advisors, Cullen Value Fund, and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2019Berkshire HathawayBuy7,467,5087,467,508$332,079
Q3 2019Icahn Capital ManagementSell-6,912,04126,332,388$1,171,001
Q3 2019Renaissance Technologies LLCSell-531,564968,884$43,086
Q3 2019Matrix Advisors Value FundBuy40,394265,469$11,805
Q2 2019Icahn Capital ManagementBuy33,244,42933,244,429$1,671,530
Q2 2019Dodge & Cox Stock FundBuy24,041,89054,409,890$2,735,729
Q2 2019Ariel Appreciation FundSell-173,135293,195$14,742
Q2 2019Renaissance Technologies LLCBuy126,9001,500,448$75,443
Q2 2019Matrix Advisors Value FundSell-15,126225,075$11,317
Q1 2019Dodge & Cox Stock FundBuy2,385,58530,368,000$2,010,362
Q1 2019Renaissance Technologies LLCBuy410,6001,373,548$90,929
Q1 2019Ariel Appreciation FundBuy83,513466,330$30,871
Q1 2019Matrix Advisors Value FundSell-2,443240,201$15,901
Q4 2018Dodge & Cox Stock FundBuy18,094,52027,982,415$1,717,561
Q4 2018Renaissance Technologies LLCBuy220,500962,948$59,106
Q4 2018Ariel Appreciation FundBuy104,153382,817$23,497
Q4 2018Matrix Advisors Value FundBuy9,202242,644$14,893
Q3 2018Dodge & Cox Stock FundBuy3,656,6709,887,895$812,488
Q3 2018Renaissance Technologies LLCSell-929,700742,448$61,007
Q3 2018Matrix Advisors Value FundBuy22,167233,442$19,182
Q3 2018Ariel Appreciation FundBuy8,227278,664$22,898
Q2 2018Ariel Appreciation FundSell-306,391270,437$22,630
Q2 2018Dodge & Cox Stock FundSell-118,7006,231,225$521,429
Q2 2018Matrix Advisors Value FundSell-6,564211,275$17,679
Q1 2018Dodge & Cox Stock FundBuy2,619,1656,349,925$412,491
Q1 2018Renaissance Technologies LLCBuy1,123,3001,672,148$108,623
Q1 2018Ariel Appreciation FundSell-7,531576,828$37,471
Q1 2018Matrix Advisors Value FundSell-40217,839$14,151
Q4 2017Dodge & Cox Stock FundBuy499,3563,730,760$274,808
Q4 2017Sound Shore ManagementSell-145,6842,961,443$218,140

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.

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