AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 175 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2018. The put-call ratio across all filers is 2.96 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $6,000 | +20.0% | 617 | +2.5% | 0.00% | – |
| Q2 2020 | $5,000 | +25.0% | 602 | -2.3% | 0.00% | – |
| Q1 2020 | $4,000 | -60.0% | 616 | -24.6% | 0.00% | – |
| Q4 2019 | $10,000 | -99.4% | 817 | -99.4% | 0.00% | -100.0% |
| Q3 2019 | $1,639,000 | -11.4% | 141,868 | -23.4% | 0.00% | 0.0% |
| Q2 2019 | $1,849,000 | -1.1% | 185,114 | +27.5% | 0.00% | -20.0% |
| Q1 2019 | $1,870,000 | -6.7% | 145,149 | +9.9% | 0.01% | 0.0% |
| Q4 2018 | $2,005,000 | -24.4% | 132,017 | -0.4% | 0.01% | -16.7% |
| Q3 2018 | $2,652,000 | +67.0% | 132,579 | +62.8% | 0.01% | +20.0% |
| Q2 2018 | $1,588,000 | -3.2% | 81,442 | -0.0% | 0.01% | 0.0% |
| Q1 2018 | $1,641,000 | +30.9% | 81,460 | -13.9% | 0.01% | +25.0% |
| Q4 2017 | $1,254,000 | +36.2% | 94,659 | +89.6% | 0.00% | +33.3% |
| Q3 2017 | $921,000 | +44.1% | 49,918 | +43.7% | 0.00% | +50.0% |
| Q2 2017 | $639,000 | -20.0% | 34,747 | -1.9% | 0.00% | 0.0% |
| Q1 2017 | $799,000 | -56.5% | 35,419 | -32.9% | 0.00% | -66.7% |
| Q4 2016 | $1,838,000 | +3503.9% | 52,814 | +3006.7% | 0.01% | – |
| Q4 2015 | $51,000 | +1175.0% | 1,700 | +2733.3% | 0.00% | – |
| Q2 2015 | $4,000 | – | 60 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 520,000 | $15,699,000 | 7.39% |
| Palo Alto Investors LP | 2,835,792 | $85,613,000 | 4.76% |
| Opaleye Management Inc. | 150,000 | $4,529,000 | 1.89% |
| Engaged Capital LLC | 61,425 | $1,854,000 | 1.15% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 91,400 | $2,759,000 | 1.14% |
| Endurant Capital Management LP | 111,180 | $3,357,000 | 1.12% |
| AlphaOne Investment Services, LLC | 86,817 | $2,621,000 | 0.94% |
| ASHFORD CAPITAL MANAGEMENT INC | 127,625 | $3,853,000 | 0.91% |
| ARDSLEY ADVISORY PARTNERS LP | 205,000 | $6,189,000 | 0.81% |
| STELLIAM INVESTMENT MANAGEMENT, LP | 685,000 | $20,680,000 | 0.62% |