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 | $83,000 | +7.8% | 8,833 | -12.8% | 0.00% | 0.0% |
| Q2 2020 | $77,000 | +22.2% | 10,127 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $63,000 | +600.0% | 10,127 | +1029.0% | 0.00% | – |
| Q2 2019 | $9,000 | -80.9% | 897 | -71.1% | 0.00% | -100.0% |
| Q4 2018 | $47,000 | +571.4% | 3,100 | +454.6% | 0.00% | +200.0% |
| Q4 2017 | $7,000 | -84.4% | 559 | -77.3% | 0.00% | -75.0% |
| Q3 2017 | $45,000 | +542.9% | 2,459 | +514.8% | 0.00% | +300.0% |
| Q2 2017 | $7,000 | -91.6% | 400 | -89.1% | 0.00% | -87.5% |
| Q1 2017 | $83,000 | -91.8% | 3,664 | -87.4% | 0.01% | -93.4% |
| Q4 2016 | $1,013,000 | +95.9% | 29,107 | +37.9% | 0.12% | +125.9% |
| Q3 2016 | $517,000 | +89.4% | 21,100 | +84.9% | 0.05% | +42.1% |
| Q2 2016 | $273,000 | +1606.2% | 11,409 | +1577.8% | 0.04% | +1800.0% |
| Q1 2016 | $16,000 | -71.4% | 680 | -51.4% | 0.00% | -75.0% |
| Q3 2015 | $56,000 | +166.7% | 1,400 | +366.7% | 0.01% | +166.7% |
| Q2 2015 | $21,000 | -89.4% | 300 | -95.2% | 0.00% | -89.3% |
| Q3 2014 | $198,000 | +32.9% | 6,200 | -13.9% | 0.03% | +40.0% |
| Q2 2014 | $149,000 | +132.8% | 7,200 | +118.2% | 0.02% | +122.2% |
| Q1 2014 | $64,000 | -12.3% | 3,300 | -3.2% | 0.01% | -25.0% |
| Q3 2013 | $73,000 | -89.8% | 3,408 | -88.7% | 0.01% | -91.0% |
| Q1 2013 | $719,000 | – | 30,146 | – | 0.13% | – |
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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% |