AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 187 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2016. The put-call ratio across all filers is 0.39 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $19,923,000 | -27.9% | 572,500 | -49.2% | 0.66% | -28.4% |
| Q3 2016 | $27,635,000 | +5.5% | 1,127,500 | +3.0% | 0.92% | +2.1% |
| Q2 2016 | $26,192,000 | -23.9% | 1,095,000 | -25.5% | 0.91% | -14.9% |
| Q1 2016 | $34,398,000 | +66.3% | 1,470,000 | +114.6% | 1.06% | +72.6% |
| Q4 2015 | $20,680,000 | – | 685,000 | – | 0.62% | – |
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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% |