AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 170 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2019. The put-call ratio across all filers is 1.23 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $275,000 | -40.2% | 22,616 | -43.2% | 0.00% | -50.0% |
| Q3 2019 | $460,000 | -12.0% | 39,816 | -24.0% | 0.01% | 0.0% |
| Q2 2019 | $523,000 | -24.2% | 52,380 | -2.2% | 0.01% | -25.0% |
| Q1 2019 | $690,000 | -14.6% | 53,550 | +0.7% | 0.01% | -20.0% |
| Q4 2018 | $808,000 | -19.2% | 53,185 | +6.4% | 0.01% | +11.1% |
| Q3 2018 | $1,000,000 | +2.8% | 50,008 | +0.2% | 0.01% | -10.0% |
| Q2 2018 | $973,000 | -10.2% | 49,923 | -7.1% | 0.01% | -9.1% |
| Q1 2018 | $1,083,000 | +37.4% | 53,755 | -9.6% | 0.01% | +37.5% |
| Q4 2017 | $788,000 | +133.1% | 59,455 | +224.9% | 0.01% | +100.0% |
| Q3 2017 | $338,000 | +0.3% | 18,300 | 0.0% | 0.00% | -20.0% |
| Q2 2017 | $337,000 | -16.6% | 18,300 | +2.2% | 0.01% | -16.7% |
| Q1 2017 | $404,000 | -34.0% | 17,900 | +1.7% | 0.01% | -33.3% |
| Q4 2016 | $612,000 | +41.0% | 17,600 | -0.6% | 0.01% | +28.6% |
| Q3 2016 | $434,000 | +0.7% | 17,700 | -1.7% | 0.01% | +16.7% |
| Q2 2016 | $431,000 | +2.9% | 18,000 | +0.6% | 0.01% | +20.0% |
| Q1 2016 | $419,000 | – | 17,900 | – | 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% |