MASIMO CORP
Institutional investors holding MASI
| Investor | Weight | Quarter |
|---|---|---|
| Henry Ellenbogen | 0.68% | 2025Q3 |
| Meridian / ArrowMark | 0.36% | 2024Q1 |
| Viking Global Investors | 0.18% | 2025Q4 |
| Jensen Investment Management | 0.01% | 2016Q1 |
| Polen Capital Management | 0.01% | 2020Q3 |
| First Eagle Investment Management | 0.00% | 2025Q4 |
Congressional data coming soon
4
Total trades
$2.6M
Volume
1
Buys
1
Sells
Last trade: Apr 23, 2026
| Date | Insider | Type | Value |
|---|---|---|---|
| Apr 23, 2026 | Michelle Brennan | Option | – |
| Apr 23, 2026 | Michelle Brennan | Buy | $200K |
Congressional trade data is being sourced and will appear here shortly.