Institutional investors holding IONS
| Investor | Weight | Quarter |
|---|---|---|
| Tweedy Browne Co. | 13.57% | 2026Q1 |
| Kenneth Fisher | 0.00% | 2026Q1 |
Congressional data coming soon
27
Total trades
$26.0M
Volume
0
Buys
14
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.