AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 173 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is 2.12 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $1,000 | 0.0% | 96 | 0.0% | 0.00% | – |
| Q2 2020 | $1,000 | -66.7% | 96 | -79.4% | 0.00% | – |
| Q1 2020 | $3,000 | -40.0% | 467 | -1.9% | 0.00% | – |
| Q3 2019 | $5,000 | -37.5% | 476 | -41.8% | 0.00% | -100.0% |
| Q2 2019 | $8,000 | -63.6% | 818 | -52.5% | 0.00% | -50.0% |
| Q1 2019 | $22,000 | -80.7% | 1,723 | -77.2% | 0.00% | -80.0% |
| Q4 2018 | $114,000 | -28.8% | 7,572 | -5.5% | 0.01% | -16.7% |
| Q3 2018 | $160,000 | -99.9% | 8,011 | -10.5% | 0.01% | -20.0% |
| Q2 2018 | $174,469,000 | +670934.6% | 8,947 | +590.9% | 0.02% | +650.0% |
| Q1 2018 | $26,000 | +44.4% | 1,295 | -7.6% | 0.00% | 0.0% |
| Q4 2017 | $18,000 | -5.3% | 1,401 | +35.4% | 0.00% | 0.0% |
| Q3 2017 | $19,000 | +26.7% | 1,035 | +27.9% | 0.00% | +100.0% |
| Q2 2017 | $15,000 | +1400.0% | 809 | +2147.2% | 0.00% | – |
| Q1 2017 | $1,000 | -98.7% | 36 | -98.9% | 0.00% | -100.0% |
| Q1 2016 | $77,000 | -46.2% | 3,286 | -30.8% | 0.01% | -46.2% |
| Q4 2015 | $143,000 | +62.5% | 4,746 | +113.9% | 0.01% | +44.4% |
| Q3 2015 | $88,000 | -96.7% | 2,219 | -94.3% | 0.01% | -96.7% |
| Q2 2015 | $2,683,000 | – | 38,863 | – | 0.27% | – |
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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% |