AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 194 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2018. The put-call ratio across all filers is 0.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $794,000 | -40.3% | 39,654 | -41.9% | 0.00% | – |
| Q2 2018 | $1,331,000 | +389.3% | 68,250 | +405.5% | 0.00% | – |
| Q1 2018 | $272,000 | -71.6% | 13,501 | -74.1% | 0.00% | – |
| Q2 2017 | $957,000 | -73.8% | 52,037 | -67.8% | 0.00% | -100.0% |
| Q1 2017 | $3,648,000 | +116.1% | 161,739 | +233.5% | 0.00% | – |
| Q4 2016 | $1,688,000 | -84.0% | 48,499 | -74.8% | 0.00% | -100.0% |
| Q1 2015 | $10,529,000 | -0.7% | 192,626 | -22.6% | 0.00% | 0.0% |
| Q4 2014 | $10,606,000 | +1.4% | 248,861 | -24.1% | 0.00% | 0.0% |
| Q3 2014 | $10,464,000 | +54.9% | 327,940 | +0.6% | 0.00% | +50.0% |
| Q2 2014 | $6,756,000 | +19.7% | 326,060 | +11.8% | 0.00% | 0.0% |
| Q1 2014 | $5,645,000 | -32.8% | 291,760 | -15.7% | 0.00% | 0.0% |
| Q4 2013 | $8,401,000 | +23.7% | 346,152 | +9.5% | 0.00% | 0.0% |
| Q3 2013 | $6,793,000 | -13.8% | 316,230 | -10.7% | 0.00% | -33.3% |
| Q2 2013 | $7,881,000 | – | 354,230 | – | 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% |