MASIMO CORP's ticker is and the CUSIP is 574795900. A total of 2 filers reported holding MASIMO CORP in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
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% |