AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 175 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2018. The put-call ratio across all filers is 2.96 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $789,000 | +89.7% | 51,966 | +149.9% | 0.05% | +58.1% |
| Q3 2018 | $416,000 | +8.6% | 20,791 | -28.2% | 0.03% | -26.2% |
| Q4 2017 | $383,000 | -7.0% | 28,940 | +29.6% | 0.04% | -59.6% |
| Q3 2017 | $412,000 | -2.1% | 22,322 | +24.0% | 0.10% | +112.2% |
| Q1 2016 | $421,000 | -25.9% | 18,000 | -4.4% | 0.05% | -2.0% |
| Q4 2015 | $568,000 | -61.3% | 18,825 | -49.0% | 0.05% | -60.3% |
| Q3 2015 | $1,466,000 | +89.7% | 36,900 | +229.5% | 0.13% | +44.8% |
| Q2 2015 | $773,000 | -26.7% | 11,200 | -42.0% | 0.09% | -19.4% |
| Q1 2015 | $1,054,000 | +215.6% | 19,300 | +146.0% | 0.11% | +83.1% |
| Q4 2014 | $334,000 | – | 7,844 | – | 0.06% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Broadfin Capital, LLC | 3,921,550 | $81,254,000 | 4.00% |
| Palo Alto Investors LP | 1,614,536 | $33,453,000 | 2.49% |
| Ghost Tree Capital, LLC | 100,000 | $2,072,000 | 1.46% |
| March Altus Capital Management LP | 146,418 | $3,034,000 | 1.11% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 296,458 | $6,143,000 | 0.98% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 999,339 | $20,706,000 | 0.83% |
| Visium Asset Management, LP | 2,070,870 | $42,908,000 | 0.67% |
| AlphaOne Investment Services, LLC | 97,448 | $2,019,000 | 0.54% |
| CONTINENTAL ADVISORS LLC | 57,438 | $1,190,000 | 0.28% |
| Tamarack Capital Management, LLC | 64,080 | $1,222,000 | 0.25% |