AMAG PHARMACEUTICALS INC's ticker is and the CUSIP is 00163UAA4. A total of 27 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Birch Grove Capital LP | 17,250,000 | $19,146,000 | 10.07% |
| STELLIAM INVESTMENT MANAGEMENT, LP | 25,500,000 | $28,209,000 | 0.98% |
| STEELHEAD PARTNERS LLC | 6,000,000 | $6,660,000 | 0.69% |
| BASSO CAPITAL MANAGEMENT, L.P. | 3,695,000 | $4,097,000 | 0.64% |
| Bruce & Co., Inc. | 2,000,000 | $2,200,000 | 0.56% |
| Sonora Investment Management, LLC | 1,525,000 | $1,686,391,000 | 0.39% |
| Castle Creek Arbitrage, LLC | 3,721,000 | $4,122,000 | 0.34% |
| WOLVERINE ASSET MANAGEMENT LLC | 18,385,000 | $20,380,000 | 0.31% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 6,500,000 | $7,161,000 | 0.28% |
| MIZUHO SECURITIES USA LLC | 1,600,000 | $1,766,000 | 0.28% |