13FAI ai-powered hedge fund tracker

ARM HOLDINGS PLC (ARM) — Hedge Fund Ownership Q1 2026

ARM
Q1 2026Q3 2025Q2 2025Q1 2025
# Fund % of Portfolio † Shares † Shares vs Prior Quarter † Shares vs Prior Year † Aggregate Value † Reported Price * Option
1
Altimeter Capital
4.55% 1.7M NEW +876.90% $259.5M $151.28
2
Duquesne Family Office
0.55% 107K NEW $16.1M $151.28
2 Total 1.8M +876.90% $275.7M
* Reported price is not an actual purchase or sale price. It is the price as of the last portfolio date.
† Portfolio value, share counts, and period-over-period changes exclude options positions (PUT/CALL), which are shown in the Option column for reference only.