MASIMO CORP's ticker is and the CUSIP is 574795900. A total of 3 filers reported holding MASIMO CORP in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $5,129 | +1985.0% | 58,500 | +3800.0% | 0.00% | – |
| Q2 2023 | $246 | -80.1% | 1,500 | -77.6% | 0.00% | -100.0% |
| Q1 2023 | $1,236 | +298.7% | 6,700 | +219.0% | 0.00% | – |
| Q4 2022 | $310 | -99.6% | 2,100 | +250.0% | 0.00% | – |
| Q3 2022 | $84,000 | -41.3% | 600 | -45.5% | 0.00% | – |
| Q2 2022 | $143,000 | -89.4% | 1,100 | -88.2% | 0.00% | -100.0% |
| Q1 2022 | $1,353,000 | +4565.5% | 9,300 | +9200.0% | 0.00% | – |
| Q4 2021 | $29,000 | -94.2% | 100 | -95.0% | 0.00% | – |
| Q3 2021 | $498,000 | +8.3% | 2,000 | +5.3% | 0.00% | – |
| Q2 2021 | $460,000 | +5.5% | 1,900 | +9900.0% | 0.00% | -100.0% |
| Q1 2021 | $436,000 | -34.9% | 19 | -24.0% | 0.00% | 0.0% |
| Q4 2020 | $670,000 | -21.1% | 25 | -30.6% | 0.00% | 0.0% |
| Q3 2020 | $849,000 | -54.6% | 36 | -56.1% | 0.00% | -66.7% |
| Q2 2020 | $1,869,000 | +2570.0% | 82 | +1950.0% | 0.00% | – |
| Q1 2020 | $70,000 | -68.3% | 4 | -71.4% | 0.00% | – |
| Q4 2019 | $221,000 | -85.0% | 14 | -85.9% | 0.00% | -100.0% |
| Q3 2019 | $1,473,000 | -59.4% | 99 | -59.4% | 0.00% | -60.0% |
| Q2 2019 | $3,631,000 | -33.7% | 244 | -38.4% | 0.01% | -33.3% |
| Q1 2019 | $5,475,000 | +2458.4% | 396 | +1880.0% | 0.02% | +1400.0% |
| Q4 2018 | $214,000 | -53.5% | 20 | -45.9% | 0.00% | 0.0% |
| Q3 2018 | $460,000 | +693.1% | 37 | +516.7% | 0.00% | – |
| Q2 2018 | $58,000 | +2800.0% | 6 | -14.3% | 0.00% | – |
| Q1 2018 | $2,000 | 0.0% | 7 | -70.8% | 0.00% | – |
| Q4 2017 | $2,000 | -71.4% | 24 | 0.0% | 0.00% | – |
| Q3 2017 | $7,000 | -81.6% | 24 | -74.5% | 0.00% | -100.0% |
| Q2 2017 | $38,000 | +533.3% | 94 | +291.7% | 0.00% | – |
| Q1 2017 | $6,000 | – | 24 | +700.0% | 0.00% | – |
| Q3 2016 | $0 | – | 3 | +200.0% | 0.00% | – |
| Q2 2016 | $0 | -100.0% | 1 | -95.0% | 0.00% | – |
| Q1 2016 | $6,000 | +500.0% | 20 | 0.0% | 0.00% | – |
| Q3 2015 | $1,000 | -97.3% | 20 | -75.9% | 0.00% | -100.0% |
| Q2 2015 | $37,000 | +640.0% | 83 | +336.8% | 0.00% | +200.0% |
| Q4 2014 | $5,000 | – | 19 | – | 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% |