SpiderRock Trading LLC - TESORO CORP ownership

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of TESORO CORP
ValueSharesWeighting
Q4 2014$49,000
+276.9%
4,400
+46.7%
0.14%
+209.1%
Q3 2014$13,000
-51.9%
3,000
+76.5%
0.04%
-68.3%
Q1 2014$27,000
+575.0%
1,700
+30.8%
0.14%
+531.8%
Q4 2013$4,000
+300.0%
1,3000.0%0.02%
+266.7%
Q3 2013$1,000
-98.4%
1,300
-41.0%
0.01%
-98.8%
Q2 2013$64,0002,2030.50%
Other shareholders
TESORO CORP shareholders Q1 2015
NameSharesValueWeighting ↓
Mizuho Trust & Banking Co., Ltd. 211,782$12,425,0000.04%
View complete list of TESORO CORP shareholders