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 | ||||
---|---|---|---|---|---|---|
Q3 2020 | $147,000 | -67.0% | 15,608 | -57.4% | 0.00% | -100.0% |
Q4 2019 | $446,000 | +284.5% | 36,654 | +266.5% | 0.00% | – |
Q3 2019 | $116,000 | +2.7% | 10,000 | -11.4% | 0.00% | – |
Q2 2019 | $113,000 | -83.2% | 11,284 | -74.6% | 0.00% | -100.0% |
Q4 2018 | $673,000 | +69.5% | 44,345 | +125.1% | 0.00% | 0.0% |
Q1 2018 | $397,000 | +146.6% | 19,700 | +62.6% | 0.00% | – |
Q4 2017 | $161,000 | -22.6% | 12,115 | +7.5% | 0.00% | -100.0% |
Q3 2017 | $208,000 | -48.4% | 11,273 | -36.8% | 0.00% | -50.0% |
Q1 2017 | $403,000 | +52.7% | 17,851 | +65.7% | 0.00% | +100.0% |
Q3 2016 | $264,000 | -7.7% | 10,776 | -9.9% | 0.00% | 0.0% |
Q2 2016 | $286,000 | -5.0% | 11,955 | -7.1% | 0.00% | -50.0% |
Q1 2016 | $301,000 | -76.8% | 12,874 | -31.6% | 0.00% | -75.0% |
Q2 2015 | $1,300,000 | +101.2% | 18,826 | +59.1% | 0.01% | +60.0% |
Q1 2015 | $646,000 | -60.2% | 11,834 | -76.8% | 0.01% | -70.6% |
Q3 2014 | $1,624,000 | – | 50,902 | – | 0.02% | – |
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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% |