MASIMO CORP's ticker is and the CUSIP is 574795900. A total of 6 filers reported holding MASIMO CORP in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $5,690,432 | +408.6% | 64,900 | +854.4% | 0.00% | – |
| Q2 2023 | $1,118,940 | +10.2% | 6,800 | +23.6% | 0.00% | – |
| Q1 2023 | $1,014,970 | +303.5% | 5,500 | +223.5% | 0.00% | – |
| Q4 2022 | $251,515 | -85.3% | 1,700 | -86.0% | 0.00% | -100.0% |
| Q3 2022 | $1,708,000 | +717.2% | 12,100 | +656.2% | 0.00% | – |
| Q2 2022 | $209,000 | – | 1,600 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 11,500 | $2,122,210 | 0.01% |
| Twin Tree Management, LP | 11,700 | $2,159,118 | 0.00% |
| SIMPLEX TRADING, LLC | 6,700 | $1,236 | 0.00% |
| OSAIC HOLDINGS, INC. | 1 | $5,400 | 0.00% |
| JANE STREET GROUP, LLC | 5,500 | $1,014,970 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |