MASIMO CORP's ticker is and the CUSIP is 574795950. A total of 1 filers reported holding MASIMO CORP in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $96,000 | -36.4% | 2,500 | -35.9% | 0.00% | – |
| Q2 2015 | $151,000 | +26.9% | 3,900 | +8.3% | 0.00% | – |
| Q1 2015 | $119,000 | +357.7% | 3,600 | +200.0% | 0.00% | – |
| Q3 2014 | $26,000 | -44.7% | 1,200 | -40.0% | 0.00% | – |
| Q2 2014 | $47,000 | -17.5% | 2,000 | -4.8% | 0.00% | – |
| Q1 2014 | $57,000 | -37.4% | 2,100 | -32.3% | 0.00% | – |
| Q4 2013 | $91,000 | +237.0% | 3,100 | +210.0% | 0.00% | – |
| Q3 2013 | $27,000 | -54.2% | 1,000 | -64.3% | 0.00% | – |
| Q2 2013 | $59,000 | – | 2,800 | – | 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% |