ARM HOLDINGS PLC-ADR (ARM) Stock Institutional Trading Activity


ARM HOLDINGS PLC-ADR (ARM) 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, Viking Global Investors, and Tiger Global 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-21,800473,600$51,769,216
Q3 2025Renaissance Technologies LLCBuy308,800495,400$70,094,146
Q2 2025Renaissance Technologies LLCBuy167,100186,600$30,180,684
Q1 2025Renaissance Technologies LLCSell-1,050,50019,500$2,082,405
Q3 2024Renaissance Technologies LLCBuy396,3001,070,000$153,020,700
Q2 2024Renaissance Technologies LLCSell-26,400673,700$110,230,794
Q1 2024Renaissance Technologies LLCBuy700,100700,100$87,505
Q4 2023Sequoia Financial AdvisorsBuy5,3485,348$401,876
Q3 2023Tiger Global ManagementBuy300,000300,000$16,056,000
Q3 2023Viking Global InvestorsBuy600,000600,000$32,112,000

Frequently asked questions about ARM activity

  • Which institutional owners are buying ARM?

    Institutional owners buying ARM 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 ARM activity?

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

  • Is institutional interest in ARM increasing?

    Institutional interest in ARM 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.