GROUP ONE TRADING, L.P. - CASA SYS INC ownership

CASA SYS INC's ticker is and the CUSIP is 14713L952. A total of 3 filers reported holding CASA SYS INC in Q4 2018. 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 CASA SYS INC
ValueSharesWeighting
Q4 2022$13,650
-14.7%
5,000
-2.0%
0.00%
Q3 2022$16,000
-42.9%
5,100
-27.1%
0.00%
Q2 2022$28,0007,000
+6900.0%
0.00%
Q1 2022$0
-100.0%
100
-99.5%
0.00%
Q4 2021$107,000
+24.4%
18,800
+108.9%
0.00%
Q1 2021$86,000
-96.0%
9,000
-98.3%
0.00%
-100.0%
Q4 2019$2,175,000
+176.7%
531,900
+431.9%
0.02%
+150.0%
Q3 2019$786,000
-38.9%
100,000
-50.0%
0.01%
-50.0%
Q2 2019$1,286,000
+237.5%
200,000
+589.7%
0.01%
+300.0%
Q4 2018$381,000
-65.0%
29,000
-60.7%
0.00%
-66.7%
Q3 2018$1,089,00073,8000.01%
Other shareholders
CASA SYS INC shareholders Q4 2018
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 29,000$381,0000.00%
SIMPLEX TRADING, LLC 513$673,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of CASA SYS INC shareholders