AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 187 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2017. The put-call ratio across all filers is 1.01 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $122,000 | -0.8% | 6,075 | -3.8% | 0.00% | 0.0% |
| Q2 2018 | $123,000 | -11.5% | 6,315 | -4.5% | 0.00% | 0.0% |
| Q1 2018 | $139,000 | +58.0% | 6,614 | -0.4% | 0.00% | +100.0% |
| Q4 2017 | $88,000 | -26.7% | 6,640 | +2.3% | 0.00% | -50.0% |
| Q3 2017 | $120,000 | -3.2% | 6,488 | -3.9% | 0.00% | 0.0% |
| Q2 2017 | $124,000 | -20.5% | 6,754 | -2.6% | 0.00% | -33.3% |
| Q1 2017 | $156,000 | +132.8% | 6,931 | +259.9% | 0.00% | +200.0% |
| Q4 2016 | $67,000 | – | 1,926 | – | 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% |