GROUP ONE TRADING, L.P. - FUEL SYS SOLUTIONS INC ownership

FUEL SYS SOLUTIONS INC's ticker is and the CUSIP is 35952W903. A total of 2 filers reported holding FUEL SYS SOLUTIONS 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 FUEL SYS SOLUTIONS INC
ValueSharesWeighting
Q1 2016$3,000
+50.0%
5000.0%0.00%
Q4 2015$2,000
-81.8%
500
-50.0%
0.00%
Q1 2015$11,000
+1000.0%
1,000
+900.0%
0.00%
Q4 2014$1,000
-96.2%
100
-96.6%
0.00%
Q3 2014$26,000
+333.3%
2,900
+480.0%
0.00%
Q2 2014$6,000
-93.3%
500
-94.0%
0.00%
-100.0%
Q1 2014$90,000
+328.6%
8,400
+460.0%
0.00%
Q4 2013$21,000
-53.3%
1,500
-34.8%
0.00%
-100.0%
Q3 2013$45,000
+32.4%
2,300
+21.1%
0.00%0.0%
Q2 2013$34,0001,9000.00%
Other shareholders
FUEL SYS SOLUTIONS INC shareholders Q4 2013
NameSharesValueWeighting ↓
Citadel Advisors 9,100$126,0000.00%
GROUP ONE TRADING, L.P. 1,500$21,0000.00%
View complete list of FUEL SYS SOLUTIONS INC shareholders