AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 171 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2017. The put-call ratio across all filers is 1.83 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $497,000 | -44.5% | 32,657 | -27.0% | 0.00% | -33.3% |
| Q3 2018 | $896,000 | +2.8% | 44,758 | +0.2% | 0.01% | 0.0% |
| Q2 2018 | $872,000 | -5.5% | 44,671 | -2.4% | 0.01% | 0.0% |
| Q1 2018 | $923,000 | +15.2% | 45,788 | -24.2% | 0.01% | +20.0% |
| Q4 2017 | $801,000 | -38.2% | 60,379 | -14.1% | 0.01% | -37.5% |
| Q3 2017 | $1,297,000 | +404.7% | 70,250 | +516.8% | 0.01% | +300.0% |
| Q1 2017 | $257,000 | – | 11,390 | – | 0.00% | – |
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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% |