GROUP ONE TRADING, L.P. - ULTRA PETROLEUM CORP ownership

ULTRA PETROLEUM CORP's ticker is and the CUSIP is 903914959. A total of 4 filers reported holding ULTRA PETROLEUM CORP 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 ULTRA PETROLEUM CORP
ValueSharesWeighting
Q1 2016$318,000
-70.9%
637,700
+46.0%
0.00%
-69.2%
Q4 2015$1,092,000
-1.6%
436,800
+151.5%
0.01%
-13.3%
Q3 2015$1,110,000
-68.4%
173,700
-38.0%
0.02%
-69.4%
Q2 2015$3,508,000
-37.1%
280,200
-21.4%
0.05%
-44.3%
Q1 2015$5,574,000
+32.1%
356,600
+11.2%
0.09%
+37.5%
Q4 2014$4,219,000
+38.1%
320,600
+144.2%
0.06%
+36.2%
Q3 2014$3,054,000
+279.4%
131,300
+384.5%
0.05%
+291.7%
Q2 2014$805,000
-14.5%
27,100
-22.6%
0.01%
-25.0%
Q1 2014$941,000
-65.3%
35,000
-72.1%
0.02%
-61.0%
Q4 2013$2,715,000
+52.8%
125,400
+45.1%
0.04%
+20.6%
Q3 2013$1,777,000
-45.8%
86,400
-47.8%
0.03%
-58.0%
Q2 2013$3,280,000165,5000.08%
Other shareholders
ULTRA PETROLEUM CORP shareholders Q4 2013
NameSharesValueWeighting ↓
KGH Ltd 39,405$15,178,0000.95%
GROUP ONE TRADING, L.P. 320,600$4,219,0000.06%
SIMPLEX TRADING, LLC 152$132,0000.02%
Timber Hill LLC 143,600$1,890,0000.01%
Virtu KCG Holdings LLC 12,900$170,0000.00%
Citadel Advisors 156,700$2,062,0000.00%
View complete list of ULTRA PETROLEUM CORP shareholders