MARSHALL WACE, LLP - AMAG PHARMACEUTICALS INC ownership

AMAG PHARMACEUTICALS INC's ticker is AMAG and the CUSIP is 00163U106. A total of 196 filers reported holding AMAG PHARMACEUTICALS INC in Q1 2015. The put-call ratio across all filers is 4.25 and the average weighting 0.3%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2015$2,398,000
-36.4%
60,364
+10.5%
0.03%
-40.8%
Q2 2015$3,771,000
-73.9%
54,616
-79.3%
0.05%
-73.9%
Q1 2015$14,453,000
+49.6%
264,411
+16.6%
0.19%
+46.9%
Q4 2014$9,664,000226,7440.13%
Other shareholders
AMAG PHARMACEUTICALS INC shareholders Q1 2015
NameSharesValueWeighting ↓
Bleichroeder LP 1,299,994$12,220,0002.19%
Camber Capital Management LP 8,780,000$82,532,0002.18%
Palo Alto Investors LP 3,003,875$28,236,0001.55%
ARMISTICE CAPITAL, LLC 4,120,000$38,728,0001.40%
Permanens Capital L.P. 359,311$3,378,0001.17%
IRONWOOD INVESTMENT MANAGEMENT LLC 31,582$297,0000.21%
BOOTHBAY FUND MANAGEMENT, LLC 348,000$3,271,0000.20%
Teza Capital Management LLC 20,300$191,0000.11%
JACOBS LEVY EQUITY MANAGEMENT, INC 767,135$7,211,0000.08%
Livforsakringsbolaget Skandia, Omsesidigt 38,800$365,0000.04%
View complete list of AMAG PHARMACEUTICALS INC shareholders