AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 211 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2016. The put-call ratio across all filers is 0.42 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $251,000 | +64.1% | 26,744 | +34.0% | 0.00% | +33.3% |
| Q2 2020 | $153,000 | +104.0% | 19,960 | +65.3% | 0.00% | +50.0% |
| Q1 2020 | $75,000 | -90.5% | 12,073 | -82.3% | 0.00% | -87.5% |
| Q3 2019 | $789,000 | -24.7% | 68,278 | -34.9% | 0.02% | -15.8% |
| Q2 2019 | $1,048,000 | +95.2% | 104,890 | +196.8% | 0.02% | -24.0% |
| Q4 2018 | $537,000 | +270.3% | 35,338 | +385.8% | 0.02% | +212.5% |
| Q3 2018 | $145,000 | -26.4% | 7,274 | -31.7% | 0.01% | -27.3% |
| Q3 2017 | $197,000 | -18.3% | 10,653 | +53.8% | 0.01% | -42.1% |
| Q4 2016 | $241,000 | +677.4% | 6,928 | +430.9% | 0.02% | +850.0% |
| Q2 2016 | $31,000 | -90.1% | 1,305 | -83.5% | 0.00% | -87.5% |
| Q3 2015 | $314,000 | -88.5% | 7,900 | -80.0% | 0.02% | -88.0% |
| Q2 2015 | $2,726,000 | +887.7% | 39,472 | +681.6% | 0.13% | +850.0% |
| Q1 2015 | $276,000 | +331.2% | 5,050 | +236.7% | 0.01% | +366.7% |
| Q4 2014 | $64,000 | – | 1,500 | – | 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% |