Masimo Corporation shares owned by Walleye Trading Advisors
Quarter-by-quarter ownership of Masimo Corporation (MASI) shares owned by Walleye Trading Advisors
from 13F filings
Historical chart of Walleye Trading Advisors investment in Masimo Corporation
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Quarterly reported holdings in Masimo Corporation by Walleye Trading Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $13M | 89k | 147.55 |
| 2025-06-30 | $7.3M | 43k | 168.22 |
| 2025-03-31 | $13M | 77k | 166.60 |
| 2024-12-31 | $9.3M | 56k | 165.30 |
| 2024-09-30 | $6.1M | 46k | 133.33 |
| 2024-06-30 | $383k | 3.0k | 125.94 |
| 2024-03-31 | $615k | 4.2k | 146.85 |
| 2023-12-31 | $1.2M | 10k | 117.21 |
| 2023-09-30 | $1.1M | 12k | 87.68 |
| 2022-09-30 | $1.3M | 9.0k | 141.13 |
| 2022-06-30 | $587k | 4.5k | 130.56 |
| 2022-03-31 | $2.8M | 19k | 145.53 |
| 2021-12-31 | $316k | 1.1k | 292.59 |
| 2021-06-30 | $223k | 920 | 242.39 |
| 2019-06-30 | $640k | 4.3k | 148.84 |
| 2019-03-31 | $358k | 2.6k | 138.42 |