SpiderRock Trading LLC - ALERE INC ownership

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of ALERE INC
ValueSharesWeighting
Q4 2014$58,000
+241.2%
5,051
+7.5%
0.16%
+177.6%
Q3 2014$17,000
-41.4%
4,700
+487.5%
0.06%
-63.3%
Q4 2013$29,0008000.16%
Other shareholders
ALERE INC shareholders Q1 2015
NameSharesValueWeighting ↓
SpiderRock Trading LLC 800$29,0000.16%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 337,712$12,225,0000.07%
NORTHERN TRUST CO OF CONNECTICUT 56,360$2,040,0000.01%
View complete list of ALERE INC shareholders