SIMPLEX TRADING, LLC - WEST CORP ownership

WEST CORP's ticker is and the CUSIP is 952355904. A total of 2 filers reported holding WEST CORP 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 WEST CORP
ValueSharesWeighting
Q3 2017$15,000
-11.8%
144
-72.0%
0.00%0.0%
Q2 2017$17,000
-57.5%
514
+38.2%
0.00%
-50.0%
Q1 2017$40,000
+344.4%
372
+144.7%
0.00%
+100.0%
Q4 2016$9,000
+80.0%
152
-8.4%
0.00%
Q3 2016$5,000166
+1283.3%
0.00%
Q2 2016$0
-100.0%
12
-83.8%
0.00%
Q3 2015$1,00074
+640.0%
0.00%
Q1 2015$0100.00%
Other shareholders
WEST CORP shareholders Q3 2015
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 400$10,0000.00%
View complete list of WEST CORP shareholders