AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 173 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is 2.12 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $388,000 | -21.3% | 21,072 | -3.6% | 0.20% | +43.1% |
| Q1 2017 | $493,000 | -28.1% | 21,861 | +11.0% | 0.14% | -22.6% |
| Q4 2016 | $686,000 | +44.1% | 19,702 | +1.4% | 0.18% | +40.5% |
| Q3 2016 | $476,000 | -0.8% | 19,439 | -3.1% | 0.13% | -37.0% |
| Q2 2016 | $480,000 | +9.3% | 20,055 | +6.9% | 0.20% | +6.4% |
| Q1 2016 | $439,000 | +98.6% | 18,767 | +156.8% | 0.19% | +93.8% |
| Q4 2015 | $221,000 | – | 7,309 | – | 0.10% | – |
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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% |