AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 191 filers reported holding AMAG PHARMACEUTICALS INC in Q3 2017. The put-call ratio across all filers is 3.11 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $742,000 | -37.4% | 37,100 | -39.0% | 0.01% | -40.0% |
| Q2 2018 | $1,186,000 | -10.3% | 60,800 | -7.3% | 0.01% | -16.7% |
| Q1 2018 | $1,322,000 | +99.4% | 65,600 | +31.2% | 0.01% | +100.0% |
| Q4 2017 | $663,000 | -46.8% | 50,000 | -26.0% | 0.01% | -50.0% |
| Q3 2017 | $1,247,000 | +108.5% | 67,600 | +108.0% | 0.01% | +100.0% |
| Q2 2017 | $598,000 | -18.4% | 32,500 | 0.0% | 0.01% | 0.0% |
| Q1 2017 | $733,000 | – | 32,500 | – | 0.01% | – |
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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% |