AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 165 filers reported holding AMAG PHARMACEUTICALS INC in Q3 2019. The put-call ratio across all filers is 1.87 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $14 | 0.0% | 1 | 0.0% | 0.00% | – |
| Q2 2023 | $14 | 0.0% | 1 | 0.0% | 0.00% | – |
| Q1 2023 | $14 | 0.0% | 1 | 0.0% | 0.00% | – |
| Q4 2022 | $14 | – | 1 | 0.0% | 0.00% | – |
| Q3 2022 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q2 2022 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q1 2022 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q4 2021 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q3 2021 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q2 2021 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q1 2021 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q4 2020 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q3 2020 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q2 2020 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q1 2020 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q4 2019 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q3 2019 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q2 2019 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q4 2018 | $0 | – | 1 | 0.0% | 0.00% | – |
| Q3 2018 | $0 | -100.0% | 1 | -99.2% | 0.00% | – |
| Q1 2016 | $7,000 | +40.0% | 119 | +3.5% | 0.00% | – |
| Q3 2015 | $5,000 | -28.6% | 115 | +16.2% | 0.00% | – |
| Q2 2015 | $7,000 | 0.0% | 99 | -16.8% | 0.00% | – |
| Q1 2015 | $7,000 | +133.3% | 119 | -0.8% | 0.00% | – |
| Q4 2013 | $3,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q3 2013 | $3,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q2 2013 | $3,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q1 2013 | $3,000 | +50.0% | 120 | 0.0% | 0.00% | – |
| Q4 2012 | $2,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q3 2012 | $2,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q2 2012 | $2,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q1 2012 | $2,000 | 0.0% | 120 | 0.0% | 0.00% | – |
| Q4 2011 | $2,000 | – | 120 | – | 0.00% | – |
Download | ||||||
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% |