AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 165 filers reported holding AMAG PHARMACEUTICALS INC in Q3 2019. The put-call ratio across all filers is 1.87 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $98,000 | +50.8% | 8,483 | +30.8% | 0.00% | +100.0% |
| Q2 2019 | $65,000 | +1.6% | 6,483 | +30.1% | 0.00% | -33.3% |
| Q1 2019 | $64,000 | -15.8% | 4,983 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $76,000 | -24.0% | 4,983 | 0.0% | 0.00% | -25.0% |
| Q3 2018 | $100,000 | +3.1% | 4,983 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $97,000 | -3.0% | 4,983 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $100,000 | +72.4% | 4,983 | +13.7% | 0.00% | +100.0% |
| Q4 2017 | $58,000 | -6.5% | 4,383 | +29.6% | 0.00% | -33.3% |
| Q3 2017 | $62,000 | +34.8% | 3,383 | +35.5% | 0.00% | +50.0% |
| Q2 2017 | $46,000 | +70.4% | 2,496 | +108.0% | 0.00% | +100.0% |
| Q1 2017 | $27,000 | -28.9% | 1,200 | +9.1% | 0.00% | -50.0% |
| Q4 2016 | $38,000 | +40.7% | 1,100 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $27,000 | -98.9% | 1,100 | -99.4% | 0.00% | -94.7% |
| Q2 2016 | $2,401,000 | +2792.8% | 192,420 | +5358.7% | 0.04% | +3700.0% |
| Q1 2016 | $83,000 | – | 3,525 | – | 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% |