SIMPLEX TRADING, LLC - WEST CORP ownership

WEST CORP's ticker is and the CUSIP is 952355954. A total of 2 filers reported holding WEST CORP in Q4 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$0
-100.0%
600.0%0.00%
Q2 2017$4,000
-60.0%
60
+500.0%
0.00%
Q1 2017$10,000
-23.1%
100.0%0.00%
-100.0%
Q4 2015$13,000100.00%
Other shareholders
WEST CORP shareholders Q4 2015
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 10$13,0000.00%
Citadel Advisors 300$6,0000.00%
View complete list of WEST CORP shareholders