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 | ||||
---|---|---|---|---|---|---|
Q1 2020 | $146,000 | -73.0% | 23,700 | -46.6% | 0.08% | +23.8% |
Q4 2019 | $540,000 | -49.2% | 44,400 | -51.8% | 0.06% | -53.7% |
Q3 2019 | $1,064,000 | -61.1% | 92,200 | -66.3% | 0.14% | -28.0% |
Q2 2019 | $2,732,000 | -42.8% | 273,500 | -26.3% | 0.19% | -14.5% |
Q1 2019 | $4,779,000 | +163.7% | 371,100 | +211.1% | 0.22% | +76.8% |
Q4 2018 | $1,812,000 | +5.2% | 119,300 | +38.6% | 0.12% | +26.3% |
Q3 2018 | $1,722,000 | +2.6% | 86,100 | 0.0% | 0.10% | +1.0% |
Q2 2018 | $1,678,000 | -28.7% | 86,100 | -26.3% | 0.10% | -34.7% |
Q1 2018 | $2,353,000 | +52.1% | 116,800 | 0.0% | 0.15% | +80.7% |
Q4 2017 | $1,547,000 | +334.6% | 116,800 | +630.0% | 0.08% | -12.6% |
Q2 2013 | $356,000 | – | 16,000 | – | 0.10% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
Broadfin Capital, LLC | 3,921,550 | $81,254,000 | 4.00% |
Palo Alto Investors LP | 1,614,536 | $33,453,000 | 2.49% |
Ghost Tree Capital, LLC | 100,000 | $2,072,000 | 1.46% |
March Altus Capital Management LP | 146,418 | $3,034,000 | 1.11% |
IRONWOOD INVESTMENT MANAGEMENT LLC | 296,458 | $6,143,000 | 0.98% |
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 999,339 | $20,706,000 | 0.83% |
Visium Asset Management, LP | 2,070,870 | $42,908,000 | 0.67% |
AlphaOne Investment Services, LLC | 97,448 | $2,019,000 | 0.54% |
CONTINENTAL ADVISORS LLC | 57,438 | $1,190,000 | 0.28% |
Tamarack Capital Management, LLC | 64,080 | $1,222,000 | 0.25% |