SIMPLEX TRADING, LLC - WESTMORELAND COAL CO ownership

WESTMORELAND COAL CO's ticker is and the CUSIP is 960878906. A total of 5 filers reported holding WESTMORELAND COAL CO in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of WESTMORELAND COAL CO
ValueSharesWeighting
Q3 2017$0
-100.0%
1
-99.4%
0.00%
-100.0%
Q1 2017$19,000
-50.0%
171
-13.6%
0.00%
-50.0%
Q4 2016$38,000
+660.0%
198
-0.5%
0.00%
Q3 2016$5,000
-85.3%
199
+33.6%
0.00%
-100.0%
Q2 2016$34,000149
+4866.7%
0.00%
Q1 2016$0
-100.0%
3
-98.3%
0.00%
Q4 2015$1,000
-80.0%
176
+25.7%
0.00%
Q3 2015$5,000
+400.0%
140
+118.8%
0.00%
Q2 2015$1,00064
+814.3%
0.00%
Q1 2015$0
-100.0%
7
+133.3%
0.00%
Q4 2014$1,00030.00%
Other shareholders
WESTMORELAND COAL CO shareholders Q3 2015
NameSharesValueWeighting ↓
Andalusian Capital Partners, LP 30,000$423,0000.16%
GROUP ONE TRADING, L.P. 333,100$4,693,0000.06%
Marathon Trading Investment Management LLC 25,000$352,0000.02%
Citadel Advisors 101,700$1,433,0000.00%
SIMPLEX TRADING, LLC 140$5,0000.00%
View complete list of WESTMORELAND COAL CO shareholders