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

ON ASSIGNMENT INC's ticker is and the CUSIP is 682159958. A total of 1 filers reported holding ON ASSIGNMENT INC in Q4 2013. 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
Q3 2016$69,000
-67.3%
1,900
-66.7%
0.00%
-50.0%
Q2 2016$211,000
+50.7%
5,700
+50.0%
0.00%0.0%
Q1 2016$140,000
+278.4%
3,800
+280.0%
0.00%
+100.0%
Q3 2015$37,000
-84.8%
1,000
-83.9%
0.00%
-66.7%
Q2 2015$244,000
-41.6%
6,200
-43.1%
0.00%
-57.1%
Q1 2015$418,000
+5871.4%
10,900
+5350.0%
0.01%
Q4 2014$7,0000.0%2000.0%0.00%
Q4 2013$7,000
-46.2%
200
-50.0%
0.00%
Q3 2013$13,000
+333.3%
400
+300.0%
0.00%
Q2 2013$3,0001000.00%
Other shareholders
ON ASSIGNMENT INC shareholders Q4 2013
NameSharesValueWeighting ↓
Prosight Management, LP 25,700$1,652,0001.22%
SIMPLEX TRADING, LLC 1$00.00%
View complete list of ON ASSIGNMENT INC shareholders