WHITEBOX ADVISORS LLC - AMAG PHARMACEUTICALS INC ownership

AMAG PHARMACEUTICALS INC's ticker is and the CUSIP is 00163UAA4. A total of 31 filers reported holding AMAG PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.5%.

Quarter-by-quarter ownership
WHITEBOX ADVISORS LLC ownership history of AMAG PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2015$5,030,000
-37.9%
4,000,000
-20.0%
0.14%
-62.2%
Q3 2015$8,100,000
-72.7%
5,000,000
-56.5%
0.36%
-71.8%
Q2 2015$29,648,000
+2.0%
11,500,000
-17.9%
1.28%
+14.1%
Q1 2015$29,076,00014,000,0001.12%
Other shareholders
AMAG PHARMACEUTICALS INC shareholders Q4 2015
NameSharesValueWeighting ↓
Birch Grove Capital LP 7,424,000$7,748,0004.66%
Bruce & Co., Inc. 5,500,000$5,500,0001.26%
IRON Financial LLC 1,025,000$1,066,0000.94%
TENOR CAPITAL MANAGEMENT Co., L.P. 9,291,000$9,812,0000.90%
Sonora Investment Management, LLC 1,430,000$1,495,566,0000.28%
CSS LLC/IL 3,305,000$3,445,0000.17%
FMR LLC 5,100,000$5,247,0000.00%
Allianz Asset Management GmbH 700,000$728,0000.00%
JPMORGAN CHASE & CO 4,365,000$4,605,0000.00%
North Star Investment Management Corp. 1,000$1,0000.00%
View complete list of AMAG PHARMACEUTICALS INC shareholders