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 | $420,864 | +1178.8% | 4,800 | +2300.0% | 0.00% | – |
| Q2 2023 | $32,910 | -98.4% | 200 | -98.3% | 0.00% | -100.0% |
| Q1 2023 | $2,122,210 | +298.4% | 11,500 | +219.4% | 0.01% | +700.0% |
| Q4 2022 | $532,620 | -27.2% | 3,600 | +44.0% | 0.00% | 0.0% |
| Q4 2021 | $732,000 | -45.9% | 2,500 | -50.0% | 0.00% | 0.0% |
| Q3 2021 | $1,354,000 | -92.8% | 5,000 | -93.5% | 0.00% | -95.7% |
| Q2 2021 | $18,766,000 | +13498.6% | 77,400 | +12800.0% | 0.02% | – |
| Q1 2021 | $138,000 | -91.4% | 600 | -90.0% | 0.00% | -100.0% |
| Q4 2020 | $1,610,000 | +1.8% | 6,000 | -10.4% | 0.00% | -40.0% |
| Q3 2020 | $1,582,000 | +362.6% | 6,700 | +191.3% | 0.01% | +66.7% |
| Q3 2019 | $342,000 | -77.0% | 2,300 | -77.0% | 0.00% | -76.9% |
| Q2 2019 | $1,488,000 | +7.6% | 10,000 | 0.0% | 0.01% | -13.3% |
| Q1 2019 | $1,383,000 | +226.2% | 10,000 | +100.0% | 0.02% | +400.0% |
| Q4 2017 | $424,000 | -2.1% | 5,000 | 0.0% | 0.00% | -25.0% |
| Q3 2017 | $433,000 | +1961.9% | 5,000 | +455.6% | 0.00% | – |
| Q2 2014 | $21,000 | -30.0% | 900 | -18.2% | 0.00% | -100.0% |
| Q1 2014 | $30,000 | -79.5% | 1,100 | -78.0% | 0.00% | -50.0% |
| Q4 2013 | $146,000 | +7.4% | 5,000 | -2.0% | 0.00% | -33.3% |
| Q3 2013 | $136,000 | +806.7% | 5,100 | +628.6% | 0.00% | – |
| Q2 2013 | $15,000 | – | 700 | – | 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% |