Jane Street’s CUBIST PHARMACEUTICALS INC CBST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2014
Q4
Sell
-9,856
Closed -$654K 2811
2014
Q3
$654K Sell
9,856
-2,701
-22% -$179K 0.01% 954
2014
Q2
$877K Buy
12,557
+7,834
+166% +$547K 0.01% 793
2014
Q1
$345K Buy
+4,723
New +$345K ﹤0.01% 1625
2013
Q4
Sell
-16,965
Closed -$1.08M 3003
2013
Q3
$1.08M Sell
16,965
-28,436
-63% -$1.81M 0.01% 903
2013
Q2
$2.19M Buy
+45,401
New +$2.19M 0.04% 311