GROUP ONE TRADING, L.P. - OCEAN RIG UDW INC ownership

OCEAN RIG UDW INC's ticker is and the CUSIP is Y64354955. A total of 3 filers reported holding OCEAN RIG UDW 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 OCEAN RIG UDW INC
ValueSharesWeighting
Q1 2016$186,000
-1.1%
226,900
+96.5%
0.00%
+50.0%
Q4 2015$188,000
-21.0%
115,500
+3.6%
0.00%
-33.3%
Q3 2015$238,000
-70.0%
111,500
-27.9%
0.00%
-72.7%
Q2 2015$794,000
+169.2%
154,700
+246.1%
0.01%
+120.0%
Q1 2015$295,000
-90.7%
44,700
-86.9%
0.01%
-89.6%
Q4 2014$3,172,000
+113.0%
341,800
+269.9%
0.05%
+108.7%
Q3 2014$1,489,000
+5217.9%
92,400
+6060.0%
0.02%
Q2 2014$28,000
-93.1%
1,500
-93.4%
0.00%
-100.0%
Q1 2014$406,000
+51.5%
22,800
+64.0%
0.01%
+75.0%
Q4 2013$268,000
-90.3%
13,900
-90.9%
0.00%
-92.5%
Q3 2013$2,777,000
+49.8%
152,600
+54.1%
0.05%
+15.2%
Q2 2013$1,854,00099,0000.05%
Other shareholders
OCEAN RIG UDW INC shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 341,800$3,172,0000.05%
SIMPLEX TRADING, LLC 32$18,0000.00%
Citadel Advisors 64,400$598,0000.00%
View complete list of OCEAN RIG UDW INC shareholders