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 | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $188,000 | +29.7% | 19,992 | +5.5% | 0.00% | 0.0% |
| Q2 2020 | $145,000 | +9.0% | 18,954 | -11.9% | 0.00% | 0.0% |
| Q1 2020 | $133,000 | -49.6% | 21,522 | -0.9% | 0.00% | 0.0% |
| Q4 2019 | $264,000 | -11.7% | 21,712 | -16.2% | 0.00% | 0.0% |
| Q3 2019 | $299,000 | +27.2% | 25,899 | +10.4% | 0.00% | 0.0% |
| Q2 2019 | $235,000 | -18.7% | 23,464 | +4.6% | 0.00% | 0.0% |
| Q1 2019 | $289,000 | -17.4% | 22,442 | -2.6% | 0.00% | -50.0% |
| Q4 2018 | $350,000 | -23.9% | 23,030 | +0.3% | 0.00% | 0.0% |
| Q3 2018 | $460,000 | -3.6% | 22,972 | -6.1% | 0.00% | 0.0% |
| Q2 2018 | $477,000 | -6.5% | 24,472 | -3.4% | 0.00% | -33.3% |
| Q1 2018 | $510,000 | +37.5% | 25,328 | -9.5% | 0.00% | +50.0% |
| Q4 2017 | $371,000 | -31.8% | 27,988 | -5.0% | 0.00% | -33.3% |
| Q3 2017 | $544,000 | -5.6% | 29,466 | -5.9% | 0.00% | 0.0% |
| Q2 2017 | $576,000 | -18.4% | 31,328 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $706,000 | -23.8% | 31,328 | +17.8% | 0.00% | -40.0% |
| Q4 2016 | $926,000 | +42.0% | 26,600 | 0.0% | 0.01% | +66.7% |
| Q3 2016 | $652,000 | +2.5% | 26,600 | 0.0% | 0.00% | 0.0% |
| Q2 2016 | $636,000 | +2.3% | 26,600 | 0.0% | 0.00% | -25.0% |
| Q1 2016 | $622,000 | – | 26,600 | – | 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% |