AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 1 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $236,000 | +7.8% | 25,159 | -12.3% | 0.00% | 0.0% |
| Q2 2020 | $219,000 | +24.4% | 28,687 | +0.9% | 0.00% | 0.0% |
| Q1 2020 | $176,000 | -46.5% | 28,425 | +5.3% | 0.00% | 0.0% |
| Q4 2019 | $329,000 | +5.4% | 27,006 | +0.0% | 0.00% | 0.0% |
| Q3 2019 | $312,000 | +18.6% | 26,997 | +2.4% | 0.00% | 0.0% |
| Q2 2019 | $263,000 | -22.6% | 26,371 | -0.1% | 0.00% | 0.0% |
| Q1 2019 | $340,000 | -9.1% | 26,386 | +7.1% | 0.00% | 0.0% |
| Q4 2018 | $374,000 | -22.4% | 24,636 | +2.2% | 0.00% | -50.0% |
| Q3 2018 | $482,000 | +5.0% | 24,095 | +2.3% | 0.00% | +100.0% |
| Q2 2018 | $459,000 | -0.6% | 23,548 | +2.6% | 0.00% | -50.0% |
| Q1 2018 | $462,000 | +58.8% | 22,942 | +4.6% | 0.00% | +100.0% |
| Q4 2017 | $291,000 | -26.7% | 21,932 | +2.0% | 0.00% | 0.0% |
| Q3 2017 | $397,000 | +2.3% | 21,500 | +2.1% | 0.00% | -50.0% |
| Q2 2017 | $388,000 | -85.9% | 21,060 | -82.7% | 0.00% | -83.3% |
| Q1 2017 | $2,747,000 | +329.2% | 121,830 | +562.8% | 0.01% | +300.0% |
| Q4 2016 | $640,000 | +50.2% | 18,380 | +5.8% | 0.00% | +50.0% |
| Q3 2016 | $426,000 | +5.2% | 17,380 | +2.6% | 0.00% | 0.0% |
| Q2 2016 | $405,000 | +11.9% | 16,940 | +9.6% | 0.00% | 0.0% |
| Q1 2016 | $362,000 | – | 15,460 | – | 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% |