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

ULTRA PETROLEUM CORP's ticker is and the CUSIP is 903914909. 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$162,000
-57.7%
325,000
+112.1%
0.00%
-60.0%
Q4 2015$383,000
-69.9%
153,200
-23.1%
0.01%
-72.2%
Q3 2015$1,273,000
+34.9%
199,200
+164.2%
0.02%
+38.5%
Q2 2015$944,000
-73.5%
75,400
-66.9%
0.01%
-76.8%
Q1 2015$3,556,000
+87.4%
227,500
+57.8%
0.06%
+93.1%
Q4 2014$1,898,000
+38.7%
144,200
+145.2%
0.03%
+38.1%
Q3 2014$1,368,000
+58.3%
58,800
+102.1%
0.02%
+61.5%
Q2 2014$864,000
-43.1%
29,100
-48.5%
0.01%
-50.0%
Q1 2014$1,519,000
+73.2%
56,500
+39.5%
0.03%
+100.0%
Q4 2013$877,000
-13.5%
40,500
-17.8%
0.01%
-31.6%
Q3 2013$1,014,000
-15.4%
49,300
-18.5%
0.02%
-36.7%
Q2 2013$1,199,00060,5000.03%
Other shareholders
ULTRA PETROLEUM CORP shareholders Q4 2013
NameSharesValueWeighting ↓
Timber Hill LLC 228,600$4,949,0000.02%
GROUP ONE TRADING, L.P. 40,500$877,0000.01%
Virtu KCG Holdings LLC 36,700$795,0000.01%
Citadel Advisors 131,800$2,853,0000.00%
View complete list of ULTRA PETROLEUM CORP shareholders