Public filings / ARM on Yahoo Finance (opens in a new tab)
ARM: insider buying, 13F holders, analyst moves
Arm Holdings PLC
A summary of public filings about Arm Holdings PLC. For the latest insider history, price chart, analyst changes and activist filings, open the live lookup.
SEC Form 13F · Q2 2026
3 of our 100 managers hold ARM
Combined reported value $593.5M; 1 sold out since Q1 2026.
Holders among our 100 managers: 10 in Q3 2023, 3 in Q2 2026.
| Manager | Value | % of portfolio | Change vs Q1 2026 |
|---|---|---|---|
| Altimeter Capital | $582.2M | 5.92% | Trimmed |
| Duquesne Family Office | $10.0M | 0.23% | Trimmed |
| Maverick Capital | $1.4M | 0.01% | New |
Important information
Facts from public SEC filings, shown for information only. Not a recommendation. Not individualized investment advice. Gulfstream Capital and its clients may hold positions in securities shown.