AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 121 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2020. The put-call ratio across all filers is 1.38 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $63,000 | -49.2% | 10,170 | 0.0% | 0.00% | -50.0% |
| Q4 2019 | $124,000 | +6.0% | 10,170 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $117,000 | +12.5% | 10,170 | -2.0% | 0.00% | -42.9% |
| Q2 2019 | $104,000 | -20.0% | 10,380 | +2.6% | 0.01% | -22.2% |
| Q1 2019 | $130,000 | -13.9% | 10,120 | +1.5% | 0.01% | 0.0% |
| Q4 2018 | $151,000 | -20.1% | 9,970 | +3.0% | 0.01% | -10.0% |
| Q2 2018 | $189,000 | -28.7% | 9,680 | -26.4% | 0.01% | -23.1% |
| Q1 2018 | $265,000 | +52.3% | 13,150 | 0.0% | 0.01% | +44.4% |
| Q4 2017 | $174,000 | -28.4% | 13,150 | 0.0% | 0.01% | -30.8% |
| Q3 2017 | $243,000 | +59.9% | 13,150 | +58.8% | 0.01% | +62.5% |
| Q2 2017 | $152,000 | -13.1% | 8,280 | +6.6% | 0.01% | 0.0% |
| Q1 2017 | $175,000 | -35.2% | 7,770 | 0.0% | 0.01% | -38.5% |
| Q4 2016 | $270,000 | +43.6% | 7,770 | +1.3% | 0.01% | +30.0% |
| Q3 2016 | $188,000 | -79.8% | 7,670 | -80.2% | 0.01% | -80.0% |
| Q2 2016 | $929,000 | +3.8% | 38,800 | +1.4% | 0.05% | -16.7% |
| Q1 2016 | $895,000 | – | 38,270 | – | 0.06% | – |
Download | ||||||
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% |