SpiderRock Trading LLC - NORTHWEST PIPE CO ownership

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of NORTHWEST PIPE CO
ValueSharesWeighting
Q3 2014$16,000
+1500.0%
1,402
+172.8%
0.06%
+1000.0%
Q1 2014$1,0005140.01%
Other shareholders

There were no reported owners of NORTHWEST PIPE CO in Q2 2014.

NameSharesValueWeighting ↓
View complete list of NORTHWEST PIPE CO shareholders