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 | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $28,000 | +12.0% | 3,550 | +91.9% | 0.00% | 0.0% |
| Q3 2017 | $25,000 | -82.5% | 1,850 | -84.8% | 0.00% | -83.3% |
| Q2 2017 | $143,000 | -33.8% | 12,150 | -39.7% | 0.01% | -33.3% |
| Q1 2017 | $216,000 | +20.7% | 20,150 | +113.2% | 0.01% | +50.0% |
| Q4 2016 | $179,000 | -27.8% | 9,450 | -70.4% | 0.01% | -45.5% |
| Q3 2016 | $248,000 | -76.6% | 31,886 | -69.3% | 0.01% | -79.6% |
| Q2 2016 | $1,061,000 | +584.5% | 103,948 | +143.7% | 0.05% | +440.0% |
| Q1 2016 | $155,000 | -40.4% | 42,653 | +47.4% | 0.01% | -33.3% |
| Q4 2015 | $260,000 | – | 28,946 | – | 0.02% | – |
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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% |