AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 170 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2019. The put-call ratio across all filers is 1.23 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $2,202,000 | -12.9% | 234,252 | -29.1% | 0.00% | -100.0% |
| Q2 2020 | $2,528,000 | +102.7% | 330,566 | +63.9% | 0.00% | – |
| Q1 2020 | $1,247,000 | -20.8% | 201,715 | +55.9% | 0.00% | – |
| Q4 2019 | $1,575,000 | +33.8% | 129,349 | +26.9% | 0.00% | – |
| Q3 2019 | $1,177,000 | -16.0% | 101,900 | -27.4% | 0.00% | – |
| Q2 2019 | $1,401,000 | +21.6% | 140,344 | +56.8% | 0.00% | – |
| Q1 2019 | $1,152,000 | -43.3% | 89,513 | -33.1% | 0.00% | -100.0% |
| Q4 2018 | $2,032,000 | -41.3% | 133,785 | -22.7% | 0.00% | 0.0% |
| Q3 2018 | $3,461,000 | +169.3% | 173,024 | +162.5% | 0.00% | – |
| Q2 2018 | $1,285,000 | -46.9% | 65,908 | -45.1% | 0.00% | -100.0% |
| Q1 2018 | $2,418,000 | -66.2% | 119,942 | -77.8% | 0.00% | -75.0% |
| Q4 2017 | $7,163,000 | +662.0% | 540,629 | +962.1% | 0.00% | – |
| Q3 2017 | $940,000 | -95.8% | 50,900 | -95.8% | 0.00% | -100.0% |
| Q2 2017 | $22,183,000 | +1965.5% | 1,205,579 | +2430.2% | 0.02% | – |
| Q1 2017 | $1,074,000 | +10.6% | 47,647 | +70.8% | 0.00% | -100.0% |
| Q4 2016 | $971,000 | -69.0% | 27,900 | -78.1% | 0.00% | -50.0% |
| Q3 2016 | $3,129,000 | +545.2% | 127,643 | +515.4% | 0.00% | +100.0% |
| Q1 2016 | $485,000 | -96.4% | 20,743 | -95.3% | 0.00% | -93.3% |
| Q4 2015 | $13,314,000 | +301.4% | 441,000 | +428.2% | 0.02% | +400.0% |
| Q3 2015 | $3,317,000 | +22.2% | 83,496 | +112.4% | 0.00% | +50.0% |
| Q2 2015 | $2,715,000 | +400.9% | 39,315 | +296.6% | 0.00% | +100.0% |
| Q1 2015 | $542,000 | +733.8% | 9,913 | +548.8% | 0.00% | – |
| Q4 2014 | $65,000 | -90.4% | 1,528 | -92.8% | 0.00% | -100.0% |
| Q3 2014 | $680,000 | -4.6% | 21,328 | -42.1% | 0.00% | 0.0% |
| Q1 2014 | $713,000 | -10.1% | 36,824 | +12.7% | 0.00% | 0.0% |
| Q4 2013 | $793,000 | +2378.1% | 32,663 | +2076.1% | 0.00% | – |
| Q3 2013 | $32,000 | +220.0% | 1,501 | +238.1% | 0.00% | – |
| Q2 2013 | $10,000 | – | 444 | – | 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% |