AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 190 filers reported holding AMAG PHARMACEUTICALS INC in Q3 2018. The put-call ratio across all filers is 2.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $261,000 | +278.3% | 27,672 | +205.7% | 0.00% | 0.0% |
| Q2 2020 | $69,000 | -4.2% | 9,053 | +52.3% | 0.00% | -50.0% |
| Q4 2019 | $72,000 | -45.0% | 5,945 | -47.7% | 0.01% | -33.3% |
| Q3 2019 | $131,000 | -34.5% | 11,377 | -43.2% | 0.01% | -30.8% |
| Q2 2019 | $200,000 | +15.6% | 20,021 | +130.5% | 0.01% | 0.0% |
| Q3 2018 | $173,000 | +8550.0% | 8,685 | +8093.4% | 0.01% | – |
| Q2 2017 | $2,000 | -95.7% | 106 | -95.0% | 0.00% | -100.0% |
| Q1 2017 | $47,000 | -54.8% | 2,100 | -29.9% | 0.01% | -54.5% |
| Q4 2016 | $104,000 | +126.1% | 2,997 | +60.4% | 0.01% | +120.0% |
| Q3 2016 | $46,000 | +142.1% | 1,868 | +292.4% | 0.01% | +150.0% |
| Q3 2015 | $19,000 | -75.0% | 476 | -57.0% | 0.00% | -71.4% |
| Q2 2015 | $76,000 | -70.5% | 1,106 | -76.5% | 0.01% | -78.1% |
| Q1 2015 | $258,000 | +15.7% | 4,714 | -10.0% | 0.03% | +45.5% |
| Q4 2014 | $223,000 | +125.3% | 5,240 | +68.4% | 0.02% | +100.0% |
| Q3 2014 | $99,000 | +661.5% | 3,111 | +364.3% | 0.01% | +450.0% |
| Q1 2014 | $13,000 | -71.7% | 670 | -65.0% | 0.00% | -75.0% |
| Q4 2013 | $46,000 | +360.0% | 1,914 | +330.1% | 0.01% | +700.0% |
| Q3 2013 | $10,000 | +11.1% | 445 | +5.5% | 0.00% | 0.0% |
| Q2 2013 | $9,000 | – | 422 | – | 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% |