GROUP ONE TRADING, L.P. - FOREST LABS INC ownership

FOREST LABS INC's ticker is and the CUSIP is 345838906. A total of 6 filers reported holding FOREST LABS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of FOREST LABS INC
ValueSharesWeighting
Q2 2014$802,000
-11.3%
8,100
-17.3%
0.01%
-20.0%
Q1 2014$904,000
+58.6%
9,800
+3.2%
0.02%
+66.7%
Q4 2013$570,0009,5000.01%
Other shareholders
FOREST LABS INC shareholders Q4 2013
NameSharesValueWeighting ↓
Iguana Healthcare Management, LLC 50,000$2,814,0001.60%
Hudson Bay Capital Management LP 150,000$9,005,0000.37%
Virtu KCG Holdings LLC 31,100$1,867,0000.02%
GROUP ONE TRADING, L.P. 9,500$570,0000.01%
Timber Hill LLC 43,600$2,617,0000.01%
Citadel Advisors 50,700$3,044,0000.00%
View complete list of FOREST LABS INC shareholders