SIMPLEX TRADING, LLC - ON ASSIGNMENT INC ownership

ON ASSIGNMENT INC's ticker is and the CUSIP is 682159908. A total of 3 filers reported holding ON ASSIGNMENT INC in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ON ASSIGNMENT INC
ValueSharesWeighting
Q1 2018$73,00098
+716.7%
0.00%
Q3 2017$0
-100.0%
12
+140.0%
0.00%
Q2 2017$2,000
-75.0%
5
-70.6%
0.00%
Q1 2017$8,000
-20.0%
17
-52.8%
0.00%
-100.0%
Q4 2016$10,00036
+3500.0%
0.00%
Q3 2016$01
-94.1%
0.00%
Q2 2016$0
-100.0%
170.0%0.00%
Q1 2016$1,00017
+142.9%
0.00%
Q3 2015$07
+600.0%
0.00%
Q1 2015$010.00%
Other shareholders
ON ASSIGNMENT INC shareholders Q1 2016
NameSharesValueWeighting ↓
Citadel Advisors 6,400$236,0000.00%
SIMPLEX TRADING, LLC 17$1,0000.00%
GROUP ONE TRADING, L.P. 100$4,0000.00%
View complete list of ON ASSIGNMENT INC shareholders