MASIMO CORP's ticker is and the CUSIP is 574795900. A total of 2 filers reported holding MASIMO CORP in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $378,000 | +50.6% | 7,200 | +20.0% | 0.00% | – |
| Q1 2016 | $251,000 | +124.1% | 6,000 | +122.2% | 0.00% | – |
| Q4 2015 | $112,000 | -70.1% | 2,700 | -72.2% | 0.00% | – |
| Q3 2015 | $374,000 | +5.9% | 9,700 | +6.6% | 0.00% | – |
| Q2 2015 | $353,000 | +182.4% | 9,100 | +139.5% | 0.00% | – |
| Q1 2015 | $125,000 | +237.8% | 3,800 | +171.4% | 0.00% | – |
| Q4 2014 | $37,000 | -30.2% | 1,400 | -44.0% | 0.00% | – |
| Q3 2014 | $53,000 | +341.7% | 2,500 | +400.0% | 0.00% | – |
| Q2 2014 | $12,000 | -91.7% | 500 | -90.6% | 0.00% | – |
| Q1 2014 | $145,000 | +27.2% | 5,300 | +35.9% | 0.00% | – |
| Q4 2013 | $114,000 | +115.1% | 3,900 | +95.0% | 0.00% | – |
| Q3 2013 | $53,000 | -13.1% | 2,000 | -31.0% | 0.00% | – |
| Q2 2013 | $61,000 | – | 2,900 | – | 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% |