AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 207 filers reported holding AMAG PHARMACEUTICALS INC in Q2 2015. The put-call ratio across all filers is 0.25 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $126,000 | -74.9% | 10,318 | -73.5% | 0.00% | -86.7% |
| Q1 2019 | $501,000 | -85.8% | 38,870 | -61.6% | 0.02% | -80.3% |
| Q4 2016 | $3,525,000 | +965.0% | 101,290 | +617.0% | 0.08% | +850.0% |
| Q1 2016 | $331,000 | -95.9% | 14,126 | -93.0% | 0.01% | -97.9% |
| Q3 2015 | $8,008,000 | +1280.7% | 201,549 | +2300.8% | 0.38% | +1156.7% |
| Q2 2015 | $580,000 | -62.0% | 8,395 | -70.0% | 0.03% | -59.5% |
| Q1 2015 | $1,528,000 | – | 27,957 | – | 0.07% | – |
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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% |