SpiderRock Trading LLC - VOCUS INC ownership

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of VOCUS INC
ValueSharesWeighting
Q1 2014$1,0001000.01%
Other shareholders
VOCUS INC shareholders Q2 2014
NameSharesValueWeighting ↓
NORTHERN TRUST CO OF CONNECTICUT 47,341$539,0000.00%
View complete list of VOCUS INC shareholders