AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 171 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2017. The put-call ratio across all filers is 1.83 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $8,669,000 | +35.9% | 922,172 | +10.6% | 0.00% | 0.0% |
| Q2 2020 | $6,379,000 | +229.7% | 833,892 | +166.4% | 0.00% | – |
| Q1 2020 | $1,935,000 | -74.3% | 313,062 | -49.5% | 0.00% | -100.0% |
| Q4 2019 | $7,539,000 | +1239.1% | 619,505 | +1170.2% | 0.00% | – |
| Q3 2019 | $563,000 | -49.9% | 48,771 | -56.6% | 0.00% | – |
| Q2 2019 | $1,124,000 | -27.8% | 112,483 | -6.9% | 0.00% | – |
| Q1 2019 | $1,556,000 | +285.1% | 120,821 | +352.5% | 0.00% | – |
| Q4 2018 | $404,000 | +69.0% | 26,700 | +123.7% | 0.00% | – |
| Q3 2018 | $239,000 | -88.3% | 11,936 | -88.6% | 0.00% | – |
| Q2 2018 | $2,041,000 | +172.9% | 104,625 | +182.2% | 0.00% | – |
| Q1 2018 | $748,000 | +33.8% | 37,073 | -12.2% | 0.00% | – |
| Q4 2017 | $559,000 | -57.0% | 42,213 | -40.1% | 0.00% | – |
| Q3 2017 | $1,301,000 | +15.1% | 70,483 | +14.8% | 0.00% | – |
| Q2 2017 | $1,130,000 | -20.5% | 61,389 | -2.6% | 0.00% | – |
| Q1 2017 | $1,422,000 | -65.1% | 63,059 | -46.2% | 0.00% | -100.0% |
| Q4 2016 | $4,079,000 | +77.9% | 117,193 | +25.2% | 0.00% | 0.0% |
| Q3 2016 | $2,293,000 | +0.5% | 93,579 | -1.9% | 0.00% | 0.0% |
| Q2 2016 | $2,281,000 | -18.1% | 95,365 | -19.9% | 0.00% | 0.0% |
| Q1 2016 | $2,786,000 | -19.0% | 119,059 | +4.5% | 0.00% | 0.0% |
| Q4 2015 | $3,438,000 | -43.7% | 113,905 | -25.9% | 0.00% | -50.0% |
| Q3 2015 | $6,108,000 | +630.6% | 153,726 | +1170.7% | 0.00% | – |
| Q2 2015 | $836,000 | -42.8% | 12,098 | -54.8% | 0.00% | – |
| Q1 2015 | $1,462,000 | +354.0% | 26,741 | +254.4% | 0.00% | – |
| Q4 2014 | $322,000 | +1241.7% | 7,545 | +888.9% | 0.00% | – |
| Q3 2014 | $24,000 | -81.7% | 763 | -87.9% | 0.00% | – |
| Q2 2014 | $131,000 | +13000.0% | 6,298 | +11350.9% | 0.00% | – |
| Q1 2014 | $1,000 | -99.4% | 55 | -99.3% | 0.00% | – |
| Q4 2013 | $180,000 | -20.7% | 7,434 | -29.5% | 0.00% | – |
| Q3 2013 | $227,000 | -45.6% | 10,550 | -43.7% | 0.00% | – |
| Q2 2013 | $417,000 | – | 18,752 | – | 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% |