AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 173 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is 2.12 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $7,000 | -97.8% | 400 | -97.1% | 0.00% | -100.0% |
| Q1 2017 | $313,000 | +458.9% | 13,895 | +768.4% | 0.00% | – |
| Q4 2016 | $56,000 | +43.6% | 1,600 | 0.0% | 0.00% | – |
| Q3 2016 | $39,000 | +290.0% | 1,600 | +300.0% | 0.00% | – |
| Q2 2016 | $10,000 | +11.1% | 400 | 0.0% | 0.00% | – |
| Q1 2016 | $9,000 | -25.0% | 400 | -2.7% | 0.00% | – |
| Q4 2015 | $12,000 | -55.6% | 411 | -38.7% | 0.00% | – |
| Q3 2015 | $27,000 | -12.9% | 671 | +19.8% | 0.00% | – |
| Q1 2015 | $31,000 | +675.0% | 560 | +196.3% | 0.00% | – |
| Q3 2013 | $4,000 | – | 189 | – | 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% |