CASTLEARK MANAGEMENT LLC - FOREST LABS INC ownership

FOREST LABS INC's ticker is FRX and the CUSIP is 345838106. A total of 428 filers reported holding FOREST LABS INC in Q4 2013. The put-call ratio across all filers is 0.75 and the average weighting 0.3%.

Quarter-by-quarter ownership
CASTLEARK MANAGEMENT LLC ownership history of FOREST LABS INC
ValueSharesWeighting
Q3 2014$1,181,0000.0%12,8000.0%0.03%0.0%
Q1 2014$1,181,000
+53.8%
12,8000.0%0.03%
+54.5%
Q4 2013$768,00012,8000.02%
Other shareholders
FOREST LABS INC shareholders Q4 2013
NameSharesValueWeighting ↓
Aviance Capital Partners, LLC 316,600$29,212,682,00012.35%
Black River Asset Management LLC 78,400$7,234,00011.02%
Ratan Capital Management LP 409,161$37,753,0009.21%
HAVENS ADVISORS LLC 92,000$8,456,0008.62%
Icahn Capital 30,662,005$2,829,183,0008.59%
HBK INVESTMENTS L P 5,050,600$466,019,0008.58%
ALPINE ASSOCIATES ADVISORS 1,465,900$135,259,0008.47%
ARGENTIERE CAPITAL AG 99,700$9,199,0008.42%
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP 2,278,826$210,267,0007.64%
R. G. NIEDERHOFFER CAPITAL MANAGEMENT INC 20,000$1,846,0007.53%
View complete list of FOREST LABS INC shareholders