AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 119 filers reported holding AMAG PHARMACEUTICALS INC in Q3 2020. The put-call ratio across all filers is 1.49 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $194,000 | -59.0% | 25,400 | -34.7% | 0.00% | 0.0% |
| Q4 2019 | $473,000 | -24.8% | 38,877 | -28.6% | 0.00% | -50.0% |
| Q3 2019 | $629,000 | -37.8% | 54,433 | -46.3% | 0.01% | -40.0% |
| Q2 2019 | $1,012,000 | -26.6% | 101,286 | -5.4% | 0.01% | -33.3% |
| Q1 2019 | $1,379,000 | -36.3% | 107,036 | -24.9% | 0.02% | -40.0% |
| Q4 2018 | $2,166,000 | +392.3% | 142,566 | +548.1% | 0.02% | +400.0% |
| Q3 2018 | $440,000 | -65.7% | 21,998 | -66.6% | 0.01% | -70.6% |
| Q2 2018 | $1,284,000 | -36.1% | 65,831 | -34.0% | 0.02% | -46.9% |
| Q1 2018 | $2,010,000 | +518.5% | 99,749 | +306.6% | 0.03% | +433.3% |
| Q4 2017 | $325,000 | -87.1% | 24,534 | -82.0% | 0.01% | -87.5% |
| Q3 2017 | $2,512,000 | +148.0% | 136,133 | +367.6% | 0.05% | +17.1% |
| Q4 2016 | $1,013,000 | +138.4% | 29,113 | +60.2% | 0.04% | +24.2% |
| Q1 2016 | $425,000 | +42.1% | 18,170 | +83.5% | 0.03% | 0.0% |
| Q4 2015 | $299,000 | +23.6% | 9,900 | +182.9% | 0.03% | -58.2% |
| Q2 2015 | $242,000 | – | 3,500 | – | 0.08% | – |
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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% |