Arm Holdings plc American Depositary Shares (ARM) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ARM. 13F holdings as of 2026-06-30.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Robeco Schweiz | 827,366 | $293M | DECREASED |
| Mirae Asset Global Investments Co., Ltd | 625,235 | $222M | INCREASED |
| Hyperion Asset Management | 531,331 | $188M | DECREASED |
| Rathbones Group | 501,861 | $178M | INCREASED |
| Congress Asset Management | 409,049 | $145M | NEW |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Laura Kathleen Bartels (Chief Accounting Officer) | SELL | 11,306 | $4M | 2026-06-02 |
| William Abbey (Chief Commercial Officer) | SELL | 3,922 | $2M | 2026-06-01 |
| William Abbey (Chief Commercial Officer) | SELL | 2,644 | $1M | 2026-06-01 |
| William Abbey (Chief Commercial Officer) | SELL | 4,200 | $1M | 2026-05-28 |
| William Abbey (Chief Commercial Officer) | SELL | 2,300 | $703K | 2026-05-22 |
Full institutional holdings, insider history, and congressional trades for Arm Holdings plc American Depositary Shares on SentiSense.