Masimo Corporation (MASI)
NASDAQ: MASI
· Real-Time Price · USD
147.29
1.24 (0.85%)
At close: Oct 03, 2025, 3:59 PM
144.47
-1.91%
After-hours: Oct 03, 2025, 05:32 PM EDT
13F Institute Ownership
Total Institutes of 379 in Masimo reduced their positions with a decrease of 19 investors compared to the previous quarter. An additional 3.29M shares, as total invested capital grew by $643.28M with ownership percentage increasing from 100.46% to 106.54%.
Options Activity
Institutions are holding more Calls Contracts as Puts Contracts, indicating a bullish sentiment.
Put/Call 0.388
0.39
Call Flow 58,500
72%
Put Flow 22,700
28%
Top Shareholders
| Institute | Ownership | Shares | Shares % Change | Market Value | Portfolio | Filing Date |
|---|---|---|---|---|---|---|
| Blackrock, Inc. | 19.46% | 10.51M | +6.44% | 1.77B | 0.03% | Aug 12, 2025 |
| FMR LLC | 15.15% | 8.18M | +0.03% | 1.38B | 0.08% | Aug 14, 2025 |
| Politan Capital Management LP | 8.73% | 4.72M | +0.04% | 793.42M | 56.98% | Aug 14, 2025 |
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