CUBIST PHARMACEUTICALS INC's ticker is CBST and the CUSIP is 229678107. A total of 272 filers reported holding CUBIST PHARMACEUTICALS INC in Q3 2013. The put-call ratio across all filers is 0.25 and the average weighting 0.2%.
Quarter-by-quarter ownership
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% |