Perceptive Advisors - AMAG PHARMACEUTICALS INC ownership

AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 182 filers reported holding AMAG PHARMACEUTICALS INC in Q3 2016. The put-call ratio across all filers is 6.30 and the average weighting 0.1%.

Quarter-by-quarter ownership
Perceptive Advisors ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2017$12,628,000
+1759.8%
560,000
+2768.3%
0.72%
+1397.9%
Q4 2016$679,000
+41.8%
19,5240.0%0.05%
+54.8%
Q3 2016$479,000
+108.3%
19,524
+236.2%
0.03%
+244.4%
Q3 2015$230,0005,8080.01%
Other shareholders
AMAG PHARMACEUTICALS INC shareholders Q3 2016
NameSharesValueWeighting ↓
HealthInvest Partners AB 520,000$15,699,0007.39%
Palo Alto Investors LP 2,835,792$85,613,0004.76%
Opaleye Management Inc. 150,000$4,529,0001.89%
Engaged Capital LLC 61,425$1,854,0001.15%
IRONWOOD INVESTMENT MANAGEMENT LLC 91,400$2,759,0001.14%
Endurant Capital Management LP 111,180$3,357,0001.12%
AlphaOne Investment Services, LLC 86,817$2,621,0000.94%
ASHFORD CAPITAL MANAGEMENT INC 127,625$3,853,0000.91%
ARDSLEY ADVISORY PARTNERS LP 205,000$6,189,0000.81%
STELLIAM INVESTMENT MANAGEMENT, LP 685,000$20,680,0000.62%
View complete list of AMAG PHARMACEUTICALS INC shareholders