Arm Holdings PLC
ARM- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001973239
In the last 90 days, Arm Holdings PLC insiders filed 0 open-market purchases and 2 sales; 961 institutions reported holding it in 13F filings for Q2 2026, worth $35.0B in total; 3 superinvestors hold it, including Altimeter Capital and Duquesne Family Office.
Holders of 5% or more of ARM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Arm Holdings PLC, largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Arm Holdings PLC on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
Schedule 13D and 13G filings on Arm Holdings PLC, newest first.
No Schedule 13D or 13G filings on Arm Holdings PLC are on file.
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Arm Holdings PLC shares.
No Form 144 notices for Arm Holdings PLC are on file.