GROUP ONE TRADING, L.P. - WESTMORELAND COAL CO ownership

WESTMORELAND COAL CO's ticker is and the CUSIP is 960878906. A total of 3 filers reported holding WESTMORELAND COAL CO 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 WESTMORELAND COAL CO
ValueSharesWeighting
Q1 2018$28,000
-66.3%
68,8000.0%0.00%
-100.0%
Q4 2017$83,000
+4050.0%
68,800
+7544.4%
0.00%
Q3 2017$2,000
-96.4%
900
-92.2%
0.00%
-100.0%
Q2 2017$56,000
-71.4%
11,500
-14.8%
0.00%
-50.0%
Q1 2017$196,000
-62.2%
13,500
-53.9%
0.00%
-60.0%
Q4 2016$518,000
+3884.6%
29,300
+1853.3%
0.01%
Q3 2016$13,000
-97.8%
1,500
-97.6%
0.00%
-100.0%
Q2 2016$596,000
-83.3%
62,600
-87.3%
0.01%
-86.0%
Q1 2016$3,567,000
-14.6%
494,700
-30.3%
0.05%
+2.0%
Q4 2015$4,175,000
-11.0%
710,000
+113.1%
0.05%
-24.6%
Q3 2015$4,693,000
-8.9%
333,100
+34.4%
0.06%
-9.7%
Q2 2015$5,149,000
+1427.9%
247,800
+1866.7%
0.07%
+1340.0%
Q1 2015$337,000
-72.8%
12,600
-66.2%
0.01%
-73.7%
Q4 2014$1,239,000
-35.7%
37,300
-27.6%
0.02%
-36.7%
Q3 2014$1,927,000
+37.3%
51,500
+33.1%
0.03%
+36.4%
Q2 2014$1,404,000
+26.4%
38,700
+3.8%
0.02%
+15.8%
Q1 2014$1,111,00037,3000.02%
Other shareholders
WESTMORELAND COAL CO shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 37,300$1,239,0000.02%
SIMPLEX TRADING, LLC 3$1,0000.00%
Citadel Advisors 13,300$442,0000.00%
View complete list of WESTMORELAND COAL CO shareholders