GROUP ONE TRADING, L.P. - WILLBROS GROUP INC DEL ownership

WILLBROS GROUP INC DEL's ticker is and the CUSIP is 969203908. A total of 2 filers reported holding WILLBROS GROUP INC DEL in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of WILLBROS GROUP INC DEL
ValueSharesWeighting
Q2 2017$4,000
+300.0%
1,600
+433.3%
0.00%
Q3 2016$1,000
-93.3%
300
-95.0%
0.00%
Q2 2016$15,000
-11.8%
6,000
-26.8%
0.00%
Q1 2016$17,000
+21.4%
8,200
+382.4%
0.00%
Q3 2014$14,000
-6.7%
1,700
+41.7%
0.00%
Q2 2014$15,000
-53.1%
1,200
-52.0%
0.00%
-100.0%
Q1 2014$32,000
+45.5%
2,500
+8.7%
0.00%
Q4 2013$22,000
-65.6%
2,300
-67.1%
0.00%
-100.0%
Q3 2013$64,000
+6300.0%
7,000
+3400.0%
0.00%
Q2 2013$1,0002000.00%
Other shareholders
WILLBROS GROUP INC DEL shareholders Q4 2013
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 27$2,0000.00%
View complete list of WILLBROS GROUP INC DEL shareholders