AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 187 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2017. The put-call ratio across all filers is 1.01 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $251,000 | +64.1% | 26,744 | +34.0% | 0.00% | +33.3% |
| Q2 2020 | $153,000 | +104.0% | 19,960 | +65.3% | 0.00% | +50.0% |
| Q1 2020 | $75,000 | -90.5% | 12,073 | -82.3% | 0.00% | -87.5% |
| Q3 2019 | $789,000 | -24.7% | 68,278 | -34.9% | 0.02% | -15.8% |
| Q2 2019 | $1,048,000 | +95.2% | 104,890 | +196.8% | 0.02% | -24.0% |
| Q4 2018 | $537,000 | +270.3% | 35,338 | +385.8% | 0.02% | +212.5% |
| Q3 2018 | $145,000 | -26.4% | 7,274 | -31.7% | 0.01% | -27.3% |
| Q3 2017 | $197,000 | -18.3% | 10,653 | +53.8% | 0.01% | -42.1% |
| Q4 2016 | $241,000 | +677.4% | 6,928 | +430.9% | 0.02% | +850.0% |
| Q2 2016 | $31,000 | -90.1% | 1,305 | -83.5% | 0.00% | -87.5% |
| Q3 2015 | $314,000 | -88.5% | 7,900 | -80.0% | 0.02% | -88.0% |
| Q2 2015 | $2,726,000 | +887.7% | 39,472 | +681.6% | 0.13% | +850.0% |
| Q1 2015 | $276,000 | +331.2% | 5,050 | +236.7% | 0.01% | +366.7% |
| Q4 2014 | $64,000 | – | 1,500 | – | 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% |