AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 175 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2018. The put-call ratio across all filers is 2.96 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $186,000 | +50.0% | 16,116 | +29.9% | 0.00% | +33.3% |
| Q2 2019 | $124,000 | +2.5% | 12,410 | +32.2% | 0.00% | 0.0% |
| Q1 2019 | $121,000 | -15.4% | 9,384 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $143,000 | -23.9% | 9,384 | 0.0% | 0.00% | -25.0% |
| Q3 2018 | $188,000 | +2.7% | 9,384 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $183,000 | -3.2% | 9,384 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $189,000 | +75.0% | 9,384 | +15.0% | 0.00% | +100.0% |
| Q4 2017 | $108,000 | -7.7% | 8,160 | +29.0% | 0.00% | -33.3% |
| Q3 2017 | $117,000 | +39.3% | 6,324 | +37.8% | 0.00% | +50.0% |
| Q2 2017 | $84,000 | +68.0% | 4,590 | +107.7% | 0.00% | +100.0% |
| Q1 2017 | $50,000 | -31.5% | 2,210 | +4.8% | 0.00% | -50.0% |
| Q4 2016 | $73,000 | – | 2,108 | – | 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% |