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

FUEL SYS SOLUTIONS INC's ticker is and the CUSIP is 35952W953. A total of 3 filers reported holding FUEL SYS SOLUTIONS 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 FUEL SYS SOLUTIONS INC
ValueSharesWeighting
Q1 2016$11,000
+266.7%
1,900
+533.3%
0.00%
Q4 2014$3,000
-75.0%
300
-78.6%
0.00%
Q3 2014$12,000
+300.0%
1,400
+366.7%
0.00%
Q2 2014$3,000
+50.0%
300
+50.0%
0.00%
Q1 2014$2,000
-93.9%
200
-91.7%
0.00%
Q4 2013$33,000
+83.3%
2,400
+166.7%
0.00%
Q3 2013$18,000
-90.6%
900
-91.6%
0.00%
-100.0%
Q2 2013$191,00010,7000.01%
Other shareholders
FUEL SYS SOLUTIONS INC shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 300$3,0000.00%
Citadel Advisors 7,300$80,0000.00%
SIMPLEX TRADING, LLC 16$4,0000.00%
View complete list of FUEL SYS SOLUTIONS INC shareholders