Institutional investors holding MKSI
| Investor | Weight | Quarter |
|---|---|---|
| Lee Ainslie | 0.02% | 2026Q1 |
| First Eagle Investment Management | 0.01% | 2025Q1 |
| Richard Pzena | 0.00% | 2024Q3 |
| Kenneth Fisher | 0.00% | 2025Q1 |
Congressional data coming soon
16
Total trades
$9.4M
Volume
4
Buys
11
Sells
Last trade: May 27, 2026
No insider trades in the last 90 days.
Congressional trade data is being sourced and will appear here shortly.