AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 173 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is 2.12 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $815,000 | +11.8% | 86,669 | -9.1% | 0.00% | – |
| Q2 2020 | $729,000 | +34.8% | 95,347 | +8.9% | 0.00% | – |
| Q1 2020 | $541,000 | -48.5% | 87,572 | +1.5% | 0.00% | -100.0% |
| Q4 2019 | $1,050,000 | +9.6% | 86,253 | +3.9% | 0.00% | 0.0% |
| Q3 2019 | $958,000 | +20.1% | 82,978 | +3.9% | 0.00% | – |
| Q2 2019 | $798,000 | -24.3% | 79,887 | -2.4% | 0.00% | -100.0% |
| Q1 2019 | $1,054,000 | -18.0% | 81,858 | -3.1% | 0.00% | 0.0% |
| Q4 2018 | $1,286,000 | -22.2% | 84,439 | +2.4% | 0.00% | 0.0% |
| Q3 2018 | $1,653,000 | +23.3% | 82,459 | +21.6% | 0.00% | 0.0% |
| Q2 2018 | $1,341,000 | +7.4% | 67,795 | +6.0% | 0.00% | 0.0% |
| Q1 2018 | $1,249,000 | +37.4% | 63,968 | -6.7% | 0.00% | 0.0% |
| Q4 2017 | $909,000 | -28.1% | 68,561 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $1,264,000 | +1.4% | 68,561 | +1.1% | 0.00% | 0.0% |
| Q2 2017 | $1,247,000 | -9.9% | 67,812 | +10.5% | 0.00% | 0.0% |
| Q1 2017 | $1,384,000 | -34.4% | 61,371 | +1.3% | 0.00% | -50.0% |
| Q4 2016 | $2,110,000 | +170.9% | 60,601 | +90.0% | 0.00% | +100.0% |
| Q3 2016 | $779,000 | +244.7% | 31,896 | +236.0% | 0.00% | – |
| Q2 2016 | $226,000 | +2.3% | 9,492 | 0.0% | 0.00% | – |
| Q1 2016 | $221,000 | +11.6% | 9,492 | +43.3% | 0.00% | – |
| Q4 2015 | $198,000 | -15.0% | 6,622 | +11.2% | 0.00% | – |
| Q3 2015 | $233,000 | -39.0% | 5,956 | +5.3% | 0.00% | – |
| Q2 2015 | $382,000 | +37.9% | 5,654 | +13.1% | 0.00% | – |
| Q1 2015 | $277,000 | +58.3% | 4,999 | +25.3% | 0.00% | – |
| Q4 2014 | $175,000 | +26.8% | 3,991 | -7.7% | 0.00% | – |
| Q3 2014 | $138,000 | – | 4,323 | – | 0.00% | – |
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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% |