GROUP ONE TRADING, L.P. - DRESSER-RAND GROUP INC ownership

DRESSER-RAND GROUP INC's ticker is and the CUSIP is 261608903. A total of 3 filers reported holding DRESSER-RAND GROUP INC in Q4 2014. 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 DRESSER-RAND GROUP INC
ValueSharesWeighting
Q2 2015$11,559,000
-12.4%
135,700
-17.4%
0.16%
-21.7%
Q1 2015$13,193,000
+102.4%
164,200
+106.0%
0.21%
+111.2%
Q4 2014$6,519,000
-71.5%
79,700
-71.3%
0.10%
-72.2%
Q3 2014$22,860,000
+380900.0%
277,900
+277800.0%
0.35%
Q1 2014$6,000
-94.4%
100
-94.4%
0.00%
-100.0%
Q4 2013$107,000
-84.3%
1,800
-83.5%
0.00%
-84.6%
Q3 2013$680,000
-17.3%
10,900
-20.4%
0.01%
-35.0%
Q2 2013$822,00013,7000.02%
Other shareholders
DRESSER-RAND GROUP INC shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 79,700$6,519,0000.10%
SIMPLEX TRADING, LLC 286$6,0000.00%
Citadel Advisors 8,100$663,0000.00%
View complete list of DRESSER-RAND GROUP INC shareholders