GAM Holding AG - AMAG PHARMACEUTICALS INC ownership

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
GAM Holding AG ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2015$1,919,00048,3000.03%
Other shareholders
AMAG PHARMACEUTICALS INC shareholders Q4 2015
NameSharesValueWeighting ↓
Broadfin Capital, LLC 3,921,550$81,254,0004.00%
Palo Alto Investors LP 1,614,536$33,453,0002.49%
Ghost Tree Capital, LLC 100,000$2,072,0001.46%
March Altus Capital Management LP 146,418$3,034,0001.11%
IRONWOOD INVESTMENT MANAGEMENT LLC 296,458$6,143,0000.98%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 999,339$20,706,0000.83%
Visium Asset Management, LP 2,070,870$42,908,0000.67%
AlphaOne Investment Services, LLC 97,448$2,019,0000.54%
CONTINENTAL ADVISORS LLC 57,438$1,190,0000.28%
Tamarack Capital Management, LLC 64,080$1,222,0000.25%
View complete list of AMAG PHARMACEUTICALS INC shareholders