Arm Holdings Plc /Uk (ARM) Institutional Ownership

Ownership Summary

Arm Holdings Plc /Uk (NASDAQ:ARM) has 641 institutional investors that have filed 13F reports for the period ending December 2025.

• These investors held 7.6% of outstanding shares in December 2025, up from 7.3% in September 2025.
• Their total shares held in ARM increased 10.93% quarter over quarter, and separately, investors owning Arm Holdings increased 1.75% from a year ago.
• Activity in ARM broke down as 343 buyers, 188 sellers, and 110 unchanged among 641 total holders.
• Combined, these investors held 80.76Mn shares in ARM for December 2025, up by 7.96Mn shares quarter on quarter, and up 12.64Mn shares year over year.
• As of December 31, 2025, DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main held the largest stake in Arm Holdings with 9.38Mn shares, accounting for 0.88% of total shares outstanding.
• Leading buyers of Arm Holdings shares for the quarter ending December 2025 were DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main (7.25Mn), Capital Research Global Investors (2.41Mn), VAN ECK ASSOCIATES CORP (2.16Mn), SCHRODER INVESTMENT MANAGEMENT GROUP (1.93Mn), Altimeter Capital Management, LP (1.72Mn).
• The largest sales of ARM for the quarter ending December 2025 came from Goldman Sachs Group Inc (6.12Mn), NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO (1.66Mn), Bank Of America Corp /De/ (1.64Mn), Walleye Trading LLC (1.29Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (1.1Mn).
• Business Quant data shows the 10 biggest positions in Arm Holdings as of December 2025 are held by DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main (9.38Mn), Morgan Stanley (4.46Mn), Capital Research Global Investors (4.22Mn), SCHRODER INVESTMENT MANAGEMENT GROUP (3.82Mn), Invesco Ltd. (2.95Mn), FMR LLC (2.45Mn), VAN ECK ASSOCIATES CORP (2.21Mn), Sustainable Growth Advisers, LP (2.01Mn), Alphabet Inc. (1.96Mn), Altimeter Capital Management, LP (1.72Mn).