InvestorLens

ARM — ARM HOLDINGS PLC

Public company

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About ARM HOLDINGS PLC (ARM)

ARM HOLDINGS PLC (ARM) appears in the most recent 13F filings of 6 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $988M. Across recent filings, tracked investors recorded 9 new positions, 1 increased, 1 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in ARM

83
/100
Strong Institutional Accumulation
Added / Increased10
Reduced1
Exited1
BearishBullish
Crowded Trade Score™

How many top investors track ARM

40
/100
Moderate Interest
6investors

Several tracked investors have exposure.

UndiscoveredCrowded
151015+

ARM Ownership Composition

How ARM HOLDINGS PLC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
92% of tracked value
Institutions
6
tracked investors
Total Reported
$1.7B
combined 13F value
Sectors2
  • Other91.9%
  • Hedge Funds8.1%
Other(5)
91.9%
Hedge Funds(1)
8.1%

Tracked investors reporting ARM

  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    6.5M
    Value
    $988.1M
    % Portfolio
    0.16%
  • Philippe LaffontDec 31, 2025
    Coatue Management
    Shares
    2.3M
    Value
    $251.4M
    % Portfolio
    0.63%
  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    1.3M
    Value
    $191.5M
    % Portfolio
    0.08%
  • Steve CohenMar 31, 2026
    Point72 Asset Management
    Shares
    892K
    Value
    $134.9M
    % Portfolio
    0.17%
  • Ray DalioMar 31, 2026
    Bridgewater Associates
    Shares
    593.4K
    Value
    $89.8M
    % Portfolio
    0.40%
  • Stanley DruckenmillerMar 31, 2026
    Duquesne Family Office
    Shares
    106.7K
    Value
    $16.1M
    % Portfolio
    0.48%

Recent activity

Frequently asked questions

How many institutional investors hold ARM?
6 tracked institutional investors disclosed a position in ARM (ARM HOLDINGS PLC) in their most recent 13F filing.
Who is the largest institutional holder of ARM?
Ken Griffin, Citadel Advisors, holds the largest disclosed position in ARM, valued at $988M.
Did institutional ownership of ARM increase or decrease?
Across recent 13F filings, tracked investors recorded 9 new positions, 1 increased, 1 reduced, and 1 fully exited ARM.
Where does this ARM ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.