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 | $7,000 | +133.3% | 828 | +96.2% | 0.00% | +200.0% |
| Q2 2020 | $3,000 | +50.0% | 422 | +12.5% | 0.00% | 0.0% |
| Q1 2020 | $2,000 | -71.4% | 375 | -41.7% | 0.00% | -75.0% |
| Q4 2019 | $7,000 | -12.5% | 643 | -9.9% | 0.00% | 0.0% |
| Q3 2019 | $8,000 | +100.0% | 714 | +44.8% | 0.00% | +100.0% |
| Q2 2019 | $4,000 | -33.3% | 493 | +90.3% | 0.00% | +100.0% |
| Q1 2019 | $6,000 | +500.0% | 259 | +146.7% | 0.00% | – |
| Q4 2018 | $1,000 | -50.0% | 105 | -11.0% | 0.00% | -100.0% |
| Q3 2018 | $2,000 | +100.0% | 118 | +61.6% | 0.00% | – |
| Q2 2018 | $1,000 | 0.0% | 73 | 0.0% | 0.00% | – |
| Q1 2018 | $1,000 | – | 73 | +265.0% | 0.00% | – |
| Q3 2017 | $0 | – | 20 | +53.8% | 0.00% | – |
| Q2 2017 | $0 | – | 13 | -51.9% | 0.00% | – |
| Q1 2017 | $0 | -100.0% | 27 | -82.5% | 0.00% | -100.0% |
| Q4 2016 | $5,000 | +66.7% | 154 | +18.5% | 0.00% | +50.0% |
| Q3 2016 | $3,000 | – | 130 | +664.7% | 0.00% | – |
| Q2 2016 | $0 | – | 17 | – | 0.00% | – |
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% |