AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 141 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2019. The put-call ratio across all filers is 1.26 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $992,000 | -32.9% | 105,544 | -45.4% | 0.00% | -25.0% |
| Q2 2020 | $1,478,000 | +15.9% | 193,144 | -6.4% | 0.00% | -20.0% |
| Q1 2020 | $1,275,000 | -56.6% | 206,344 | -14.4% | 0.01% | -28.6% |
| Q4 2019 | $2,935,000 | -2.6% | 241,144 | -7.6% | 0.01% | 0.0% |
| Q3 2019 | $3,013,000 | -5.1% | 260,844 | -18.0% | 0.01% | -12.5% |
| Q2 2019 | $3,176,000 | +138.6% | 317,944 | +207.7% | 0.01% | +166.7% |
| Q1 2019 | $1,331,000 | +217.7% | 103,344 | +274.4% | 0.00% | +200.0% |
| Q4 2018 | $419,000 | +71.7% | 27,600 | +126.2% | 0.00% | 0.0% |
| Q3 2018 | $244,000 | -84.3% | 12,200 | -84.7% | 0.00% | -75.0% |
| Q2 2018 | $1,550,000 | +315.5% | 79,500 | +329.7% | 0.00% | +300.0% |
| Q1 2018 | $373,000 | +58.1% | 18,500 | +3.9% | 0.00% | 0.0% |
| Q4 2017 | $236,000 | -53.2% | 17,800 | -34.8% | 0.00% | 0.0% |
| Q3 2017 | $504,000 | +53.7% | 27,300 | +53.4% | 0.00% | 0.0% |
| Q2 2017 | $328,000 | -17.8% | 17,800 | +0.6% | 0.00% | 0.0% |
| Q1 2017 | $399,000 | +3.9% | 17,700 | +60.3% | 0.00% | 0.0% |
| Q4 2016 | $384,000 | -78.5% | 11,044 | -57.3% | 0.00% | -92.9% |
| Q2 2015 | $1,785,000 | +573.6% | 25,846 | +433.3% | 0.01% | +600.0% |
| Q1 2015 | $265,000 | -70.3% | 4,846 | -76.9% | 0.00% | -71.4% |
| Q4 2014 | $893,000 | +55.8% | 20,946 | -24.2% | 0.01% | +75.0% |
| Q2 2014 | $573,000 | +81.9% | 27,646 | +70.2% | 0.00% | +33.3% |
| Q1 2014 | $315,000 | -47.6% | 16,246 | -34.3% | 0.00% | -50.0% |
| Q4 2013 | $601,000 | +14.0% | 24,746 | +0.8% | 0.01% | 0.0% |
| Q3 2013 | $527,000 | -13.6% | 24,546 | -10.6% | 0.01% | -33.3% |
| Q2 2013 | $610,000 | – | 27,446 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 740,585 | $17,330,000 | 8.11% |
| Palo Alto Investors LP | 2,906,194 | $68,005,000 | 5.28% |
| Opaleye Management Inc. | 220,000 | $5,148,000 | 3.21% |
| Endurant Capital Management LP | 265,180 | $6,205,000 | 2.01% |
| FALCON POINT CAPITAL, LLC | 381,081 | $8,917,000 | 1.54% |
| STELLIAM INVESTMENT MANAGEMENT, LP | 1,470,000 | $34,398,000 | 1.06% |
| AlphaOne Investment Services, LLC | 91,824 | $2,149,000 | 0.88% |
| ASHFORD CAPITAL MANAGEMENT INC | 153,325 | $3,588,000 | 0.85% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 55,097 | $1,289,000 | 0.84% |
| Camber Capital Management LP | 600,000 | $14,040,000 | 0.82% |