GROUP ONE TRADING, L.P. - ON ASSIGNMENT INC ownership

ON ASSIGNMENT INC's ticker is and the CUSIP is 682159908. A total of 2 filers reported holding ON ASSIGNMENT INC 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 ON ASSIGNMENT INC
ValueSharesWeighting
Q2 2016$554,000
+13750.0%
15,000
+14900.0%
0.01%
Q1 2016$4,000
-20.0%
1000.0%0.00%
Q4 2015$5,000
-99.4%
100
-99.5%
0.00%
-100.0%
Q3 2015$819,000
+461.0%
22,200
+404.5%
0.01%
+450.0%
Q4 2014$146,000
+1985.7%
4,400
+2100.0%
0.00%
Q2 2014$7,000
-77.4%
200
-75.0%
0.00%
-100.0%
Q1 2014$31,000
+19.2%
8000.0%0.00%
Q3 2013$26,000
-29.7%
800
-42.9%
0.00%
-100.0%
Q2 2013$37,0001,4000.00%
Other shareholders
ON ASSIGNMENT INC shareholders Q4 2014
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