MASIMO CORP's ticker is and the CUSIP is 574795950. A total of 5 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 | $4,988 | +984.3% | 56,900 | +1932.1% | 0.00% | – |
| Q2 2023 | $460 | +150.0% | 2,800 | +180.0% | 0.00% | – |
| Q1 2023 | $184 | +534.5% | 1,000 | +400.0% | 0.00% | – |
| Q4 2022 | $29 | -99.9% | 200 | 0.0% | 0.00% | – |
| Q3 2022 | $28,000 | -80.4% | 200 | -81.8% | 0.00% | – |
| Q2 2022 | $143,000 | -1.4% | 1,100 | +10.0% | 0.00% | – |
| Q1 2022 | $145,000 | -90.1% | 1,000 | -83.1% | 0.00% | -100.0% |
| Q3 2021 | $1,469,000 | +2.7% | 5,900 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $1,430,000 | +3077.8% | 5,900 | +294900.0% | 0.00% | – |
| Q1 2021 | $45,000 | -99.1% | 2 | -98.9% | 0.00% | -100.0% |
| Q4 2020 | $4,911,000 | +1058.3% | 183 | +916.7% | 0.01% | +500.0% |
| Q3 2020 | $424,000 | -74.2% | 18 | -75.0% | 0.00% | -66.7% |
| Q2 2020 | $1,641,000 | +110.7% | 72 | +63.6% | 0.00% | +200.0% |
| Q1 2020 | $779,000 | -31.5% | 44 | -38.9% | 0.00% | -50.0% |
| Q4 2019 | $1,138,000 | +206.7% | 72 | +188.0% | 0.00% | +100.0% |
| Q3 2019 | $371,000 | -86.9% | 25 | -86.9% | 0.00% | -87.5% |
| Q2 2019 | $2,842,000 | -57.3% | 191 | -60.3% | 0.01% | -55.6% |
| Q1 2019 | $6,651,000 | +31571.4% | 481 | +23950.0% | 0.02% | – |
| Q4 2018 | $21,000 | -71.6% | 2 | -66.7% | 0.00% | – |
| Q3 2018 | $74,000 | -68.4% | 6 | -75.0% | 0.00% | -100.0% |
| Q2 2018 | $234,000 | +11600.0% | 24 | -11.1% | 0.00% | – |
| Q1 2018 | $2,000 | – | 27 | +107.7% | 0.00% | – |
| Q4 2017 | $0 | -100.0% | 13 | -43.5% | 0.00% | – |
| Q3 2017 | $1,000 | -99.2% | 23 | -83.2% | 0.00% | -100.0% |
| Q2 2017 | $126,000 | +4100.0% | 137 | +341.9% | 0.01% | – |
| Q1 2017 | $3,000 | – | 31 | +3000.0% | 0.00% | – |
| Q4 2016 | $0 | -100.0% | 1 | -96.8% | 0.00% | – |
| Q3 2016 | $2,000 | +100.0% | 31 | +1450.0% | 0.00% | – |
| Q2 2016 | $1,000 | 0.0% | 2 | -80.0% | 0.00% | – |
| Q4 2014 | $1,000 | – | 10 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Twin Tree Management, LP | 37,500 | $6,920,250 | 0.01% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 100 | $18,454 | 0.00% |
| SIMPLEX TRADING, LLC | 1,000 | $184 | 0.00% |
| JANE STREET GROUP, LLC | 1,600 | $295,264 | 0.00% |