AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 211 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2016. The put-call ratio across all filers is 0.42 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $167,000 | -50.4% | 21,821 | -60.0% | 0.01% | -73.3% |
| Q1 2020 | $337,000 | -9.9% | 54,495 | +77.3% | 0.03% | +76.5% |
| Q4 2019 | $374,000 | -20.1% | 30,735 | -24.2% | 0.02% | +6.2% |
| Q3 2019 | $468,000 | -21.2% | 40,532 | -31.8% | 0.02% | -5.9% |
| Q2 2019 | $594,000 | -24.1% | 59,432 | -2.2% | 0.02% | -46.9% |
| Q1 2019 | $783,000 | -12.9% | 60,782 | +2.7% | 0.03% | +77.8% |
| Q4 2018 | $899,000 | -24.5% | 59,202 | -0.5% | 0.02% | -40.0% |
| Q3 2018 | $1,191,000 | +17.7% | 59,527 | +14.7% | 0.03% | -14.3% |
| Q2 2018 | $1,012,000 | +306.4% | 51,908 | +320.5% | 0.04% | +337.5% |
| Q1 2018 | $249,000 | -50.5% | 12,344 | -44.6% | 0.01% | -46.7% |
| Q1 2017 | $503,000 | +29.0% | 22,300 | +99.1% | 0.02% | +50.0% |
| Q4 2016 | $390,000 | -95.7% | 11,200 | -97.0% | 0.01% | -94.7% |
| Q2 2016 | $8,982,000 | +34.1% | 375,500 | +31.2% | 0.19% | +11.1% |
| Q1 2016 | $6,697,000 | +966.4% | 286,200 | +1711.4% | 0.17% | +714.3% |
| Q3 2015 | $628,000 | -93.5% | 15,800 | -88.6% | 0.02% | -92.5% |
| Q2 2015 | $9,608,000 | +353.4% | 139,125 | +258.9% | 0.28% | +313.2% |
| Q1 2015 | $2,119,000 | +490.3% | 38,762 | +359.8% | 0.07% | +466.7% |
| Q4 2014 | $359,000 | -17.1% | 8,431 | -62.4% | 0.01% | -33.3% |
| Q1 2014 | $433,000 | +14.2% | 22,400 | +43.6% | 0.02% | 0.0% |
| Q4 2013 | $379,000 | – | 15,600 | – | 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% |