RIO TINTO PLC-SPON ADR (RIO) Stock Institutional Trading Activity


RIO TINTO PLC-SPON ADR (RIO) 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, Sequoia Financial Advisors, Causeway Capital Management, Dodge & Cox Stock Fund, and Appaloosa Management. 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
Q4 2025Renaissance Technologies LLCSell-1,024,200186,600$14,933,598
Q3 2025Sequoia Financial AdvisorsBuy4,59519,435$1,282,895
Q3 2025Renaissance Technologies LLCSell-45,0001,210,800$79,924,908
Q2 2025Sequoia Financial AdvisorsBuy5,75014,840$865,597
Q2 2025Renaissance Technologies LLCBuy698,4001,255,800$73,250,814
Q1 2025Sequoia Financial AdvisorsSell-1,3369,090$546,107
Q1 2025Renaissance Technologies LLCBuy86,000557,400$33,488,592
Q4 2024Sequoia Financial AdvisorsBuy81610,426$613,162
Q4 2024Renaissance Technologies LLCBuy250,800471,400$27,723,034
Q3 2024Sequoia Financial AdvisorsSell-1079,610$683,933
Q3 2024Renaissance Technologies LLCBuy215,200220,600$15,700,102
Q2 2024Renaissance Technologies LLCSell-670,6005,400$356,022
Q2 2024Sequoia Financial AdvisorsBuy2299,717$640,658
Q1 2024Renaissance Technologies LLCBuy393,500676,000$43,088
Q1 2024Sequoia Financial AdvisorsSell-15,8739,488$604,774
Q1 2024Causeway Capital ManagementSell-95,9019,525$607,114
Q4 2023Sequoia Financial AdvisorsBuy16,95025,361$1,888,351
Q4 2023Causeway Capital ManagementSell-208,036105,426$7,850,034
Q3 2023Renaissance Technologies LLCSell-690,400282,500$17,978
Q3 2023Sequoia Financial AdvisorsSell-1738,411$535,252
Q3 2023Causeway Capital ManagementBuy43,804313,462$19,948,735
Q2 2023Renaissance Technologies LLCBuy676,100972,900$62,110
Q2 2023Sequoia Financial AdvisorsBuy7368,584$548,008
Q2 2023Causeway Capital ManagementBuy114,244269,658$17,214,962
Q1 2023Dodge & Cox Stock FundSell-1,2004,000$274,400
Q1 2023Renaissance Technologies LLCBuy253,000296,800$20,360
Q1 2023Sequoia Financial AdvisorsBuy7107,848$538,381
Q1 2023Causeway Capital ManagementBuy2,340155,414$10,661,401
Q4 2022Renaissance Technologies LLCSell-77,90043,800$3,119
Q4 2022Sequoia Financial AdvisorsBuy7747,138$508,233

Frequently asked questions about RIO activity

  • Which institutional owners are buying RIO?

    Institutional owners buying RIO 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 RIO activity?

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

  • Is institutional interest in RIO increasing?

    Institutional interest in RIO 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.