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 | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $625,000 | +4.3% | 41,137 | +37.4% | 0.15% | +26.3% |
| Q3 2018 | $599,000 | +299.3% | 29,937 | +288.8% | 0.12% | +280.6% |
| Q2 2018 | $150,000 | +14.5% | 7,700 | +18.5% | 0.03% | +10.7% |
| Q1 2018 | $131,000 | +50.6% | 6,500 | -0.6% | 0.03% | +16.7% |
| Q4 2017 | $87,000 | -69.4% | 6,537 | -57.5% | 0.02% | -70.4% |
| Q3 2017 | $284,000 | +74.2% | 15,377 | +73.9% | 0.08% | +102.5% |
| Q2 2017 | $163,000 | -18.1% | 8,840 | 0.0% | 0.04% | -14.9% |
| Q1 2017 | $199,000 | -35.4% | 8,840 | 0.0% | 0.05% | -39.0% |
| Q4 2016 | $308,000 | +41.9% | 8,840 | 0.0% | 0.08% | +42.6% |
| Q3 2016 | $217,000 | +2.8% | 8,840 | 0.0% | 0.05% | -6.9% |
| Q2 2016 | $211,000 | +1.9% | 8,840 | -0.1% | 0.06% | +5.5% |
| Q1 2016 | $207,000 | -22.5% | 8,851 | 0.0% | 0.06% | -22.5% |
| Q4 2015 | $267,000 | +96.3% | 8,851 | +158.3% | 0.07% | +144.8% |
| Q3 2015 | $136,000 | -91.7% | 3,427 | -85.5% | 0.03% | -90.3% |
| Q2 2015 | $1,632,000 | -22.4% | 23,632 | -38.6% | 0.30% | -25.4% |
| Q1 2015 | $2,103,000 | +9.9% | 38,468 | -14.3% | 0.40% | +8.4% |
| Q4 2014 | $1,914,000 | +191300.0% | 44,906 | +55339.5% | 0.37% | – |
| Q2 2014 | $1,000 | 0.0% | 81 | -19.0% | 0.00% | – |
| Q1 2014 | $1,000 | -50.0% | 100 | 0.0% | 0.00% | – |
| Q4 2013 | $2,000 | – | 100 | – | 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% |