CUBIST PHARMACEUTICALS INC's ticker is CBST and the CUSIP is 229678107. A total of 279 filers reported holding CUBIST PHARMACEUTICALS INC in Q4 2013. The put-call ratio across all filers is 0.62 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $2,000 | +100.0% | 20 | 0.0% | 0.00% | – |
| Q3 2014 | $1,000 | 0.0% | 20 | 0.0% | 0.00% | – |
| Q2 2014 | $1,000 | -88.9% | 20 | -85.9% | 0.00% | -100.0% |
| Q4 2013 | $9,000 | -64.0% | 142 | -63.6% | 0.00% | -75.0% |
| Q3 2013 | $25,000 | +25.0% | 390 | -3.7% | 0.00% | -60.0% |
| Q2 2013 | $20,000 | +5.3% | 405 | 0.0% | 0.01% | -9.1% |
| Q1 2013 | $19,000 | +5.6% | 405 | -3.6% | 0.01% | -15.4% |
| Q4 2012 | $18,000 | -10.0% | 420 | 0.0% | 0.01% | -18.8% |
| Q3 2012 | $20,000 | -42.9% | 420 | -49.1% | 0.02% | -42.9% |
| Q2 2012 | $35,000 | -2.8% | 825 | +6.5% | 0.03% | -6.7% |
| Q1 2012 | $36,000 | – | 775 | – | 0.03% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Palo Alto Investors LP | 1,336,136 | $92,020,000 | 8.58% |
| Cormorant Asset Management, LP | 400,000 | $27,548,000 | 8.00% |
| HealthCor Management, L.P. | 1,400,000 | $96,418,000 | 5.86% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 1,000,000 | $68,870,000 | 3.57% |
| SECTOR GAMMA AS | 176,090 | $12,127,000 | 3.27% |
| EAGLE BOSTON INVESTMENT MANAGEMENT INC | 698,376 | $48,097,000 | 2.33% |
| Ghost Tree Capital, LLC | 50,000 | $3,444,000 | 2.12% |
| Duquesne Family Office | 413,000 | $28,443,000 | 1.90% |
| Rail-Splitter Capital Management, LLC | 78,900 | $5,434,000 | 1.88% |
| MAZAMA CAPITAL MANAGEMENT INC | 50,891 | $3,505,000 | 1.74% |