SpiderRock Trading LLC - INVESTMENT TECHNOLOG ownership

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of INVESTMENT TECHNOLOG
ValueSharesWeighting
Q1 2014$3,000
-57.1%
454
-91.3%
0.02%
-60.5%
Q4 2013$7,000
-76.7%
5,200
-20.2%
0.04%
-79.1%
Q3 2013$30,0006,5180.18%
Other shareholders
INVESTMENT TECHNOLOG shareholders Q2 2014
NameSharesValueWeighting ↓
SpiderRock Trading LLC 2,300$7,0000.04%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 63,958$1,315,0000.01%
NORTHERN TRUST CO OF CONNECTICUT 1,513$31,0000.00%
SpiderRock Trading LLC 2,900$00.00%
View complete list of INVESTMENT TECHNOLOG shareholders