Arm Holdings Plc /Uk (ARM) Institutional Ownership

Ownership Summary

The institutional landscape for Arm Holdings Plc /Uk (NASDAQ:ARM) includes 652 filers as of the latest reporting cycle ending September 2025.

• The percentage of Arm Holdings owned by institutions changed from 9.2% in June 2025 to 8.9% in September 2025, marking a slight down trend.
• Quarterly data indicates a 0.03% shift in institutional share volume, and the annual owner count reflects an increase of 6.36%.
• Among the 652 institutional holders of Arm Holdings, 325 added to their stakes while 198 trimmed their positions and 129 held steady.
• Collectively, institutional investors increased their stake in Arm Holdings to 93.74Mn shares as of September 2025, a change that is up by 24.06K shares quarter on quarter and up 21.99Mn shares year over year.
• The top institutional stake in Arm Holdings as of September 30, 2025 belongs to JANE STREET GROUP, LLC, which owns 12.39Mn shares, or 1.17% of the company.
• Among the most significant buyers of Arm Holdings during September 2025 were JANE STREET GROUP, LLC (3.36Mn), Capital Research Global Investors (1.72Mn), Hyperion Asset Management Ltd (1.43Mn), JPMORGAN CHASE & CO (960.79K), Nuveen, LLC (911.38K).
• Leading sellers of Arm Holdings stock in September 2025 included SCHRODER INVESTMENT MANAGEMENT GROUP (3.04Mn), COATUE MANAGEMENT LLC (2.37Mn), GOLDMAN SACHS GROUP INC (1.92Mn), UBS Group AG (1.23Mn), Artisan Partners Limited Partnership (1.17Mn).
• The top 10 institutional holders of Arm Holdings for the quarter ending September 2025 included JANE STREET GROUP, LLC (12.39Mn), GOLDMAN SACHS GROUP INC (8.28Mn), Capital World Investors (4.77Mn), DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main (4.23Mn), MORGAN STANLEY (3.74Mn), Sustainable Growth Advisers, LP (2.88Mn), COATUE MANAGEMENT LLC (2.26Mn), UBS Group AG (2.06Mn), Alphabet Inc. (1.96Mn), BANK OF AMERICA CORP /DE/ (1.80Mn).