Institutional investors holding ATMU
| Investor | Weight | Quarter |
|---|---|---|
| Mario Cibelli | 4.82% | 2026Q1 |
| Tweedy Browne Co. | 0.17% | 2025Q4 |
| Meridian / ArrowMark | 0.05% | 2024Q2 |
Congressional data coming soon
20
Total trades
$1.7M
Volume
16
Buys
4
Sells
Last trade: Jun 1, 2026
No insider trades in the last 90 days.
Congressional trade data is being sourced and will appear here shortly.