GROUP ONE TRADING, L.P. - GENMARK DIAGNOSTICS INC ownership

GENMARK DIAGNOSTICS INC's ticker is and the CUSIP is 372309954. A total of 1 filers reported holding GENMARK DIAGNOSTICS 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 GENMARK DIAGNOSTICS INC
ValueSharesWeighting
Q1 2021$1,083,000
+58.1%
45,300
-3.4%
0.00%
+100.0%
Q4 2020$685,000
-1.2%
46,900
-3.9%
0.00%
-50.0%
Q3 2020$693,000
+126.5%
48,800
+134.6%
0.00%
+100.0%
Q2 2020$306,000
+247.7%
20,800
-2.3%
0.00%0.0%
Q1 2020$88,000
+125.6%
21,300
+326.0%
0.00%0.0%
Q3 2015$39,000
-13.3%
5,0000.0%0.00%0.0%
Q2 2015$45,000
-30.8%
5,0000.0%0.00%0.0%
Q1 2015$65,000
+490.9%
5,000
+525.0%
0.00%
Q4 2013$11,000
-57.7%
800
-61.9%
0.00%
Q3 2013$26,000
-58.7%
2,100
-65.6%
0.00%
-100.0%
Q2 2013$63,0006,1000.00%
Other shareholders
GENMARK DIAGNOSTICS INC shareholders Q4 2013
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of GENMARK DIAGNOSTICS INC shareholders