AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 194 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2018. The put-call ratio across all filers is 0.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $365,000 | -55.9% | 58,993 | -28.9% | 0.00% | 0.0% |
| Q2 2019 | $828,000 | -73.3% | 82,919 | -65.5% | 0.00% | -66.7% |
| Q1 2019 | $3,100,000 | +4.1% | 240,669 | +22.8% | 0.00% | 0.0% |
| Q4 2018 | $2,977,000 | +117.9% | 195,995 | +90.1% | 0.00% | +200.0% |
| Q4 2017 | $1,366,000 | -68.3% | 103,114 | -55.8% | 0.00% | -80.0% |
| Q3 2017 | $4,305,000 | -25.4% | 233,319 | -25.6% | 0.01% | -37.5% |
| Q2 2017 | $5,767,000 | +39.6% | 313,424 | +71.0% | 0.01% | +60.0% |
| Q1 2017 | $4,132,000 | +77.7% | 183,260 | +174.3% | 0.01% | +66.7% |
| Q4 2016 | $2,325,000 | +30.0% | 66,799 | -8.4% | 0.00% | 0.0% |
| Q3 2016 | $1,788,000 | +31.8% | 72,937 | +28.6% | 0.00% | +50.0% |
| Q2 2016 | $1,357,000 | -5.8% | 56,721 | -7.8% | 0.00% | -33.3% |
| Q1 2016 | $1,440,000 | -4.3% | 61,533 | +23.5% | 0.00% | 0.0% |
| Q4 2015 | $1,504,000 | -54.5% | 49,827 | -40.1% | 0.00% | -57.1% |
| Q3 2015 | $3,304,000 | +1.5% | 83,178 | +76.6% | 0.01% | +16.7% |
| Q2 2015 | $3,254,000 | +117.8% | 47,107 | +72.3% | 0.01% | +100.0% |
| Q1 2015 | $1,494,000 | +254.0% | 27,340 | +176.2% | 0.00% | +200.0% |
| Q4 2014 | $422,000 | -64.2% | 9,900 | -83.8% | 0.00% | -75.0% |
| Q1 2014 | $1,180,000 | -22.2% | 61,000 | -2.4% | 0.00% | -20.0% |
| Q4 2013 | $1,517,000 | +11.4% | 62,500 | -1.4% | 0.01% | 0.0% |
| Q3 2013 | $1,362,000 | -29.5% | 63,400 | -27.0% | 0.01% | -28.6% |
| Q2 2013 | $1,932,000 | +215.2% | 86,827 | +108.2% | 0.01% | +133.3% |
| Q4 2012 | $613,000 | – | 41,700 | – | 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% |