REGENERON PHARMACEUTICALS's ticker is and the CUSIP is 75886F907. A total of 6 filers reported holding REGENERON PHARMACEUTICALS in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.1%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SABBY MANAGEMENT, LLC | 2,137 | $48,057,000 | 3.21% |
| KNIGHT CAPITAL GROUP LLC | 15,600 | $3,508,000 | 0.06% |
| Citadel Advisors | 118,000 | $26,536,000 | 0.05% |
| Timber Hill LLC | 41,800 | $9,400,000 | 0.03% |
| Calamos Advisors LLC | 430 | $3,197,000 | 0.02% |