GROUP ONE TRADING, L.P. - CASTLIGHT HEALTH INC ownership

CASTLIGHT HEALTH INC's ticker is and the CUSIP is 14862Q900. A total of 3 filers reported holding CASTLIGHT HEALTH INC in Q3 2020. 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 CASTLIGHT HEALTH INC
ValueSharesWeighting
Q4 2021$846,000
-25.6%
549,100
-24.2%
0.00%0.0%
Q3 2021$1,137,000
-36.3%
724,300
+6.7%
0.00%
-50.0%
Q2 2021$1,786,000
+4727.0%
679,000
+2682.8%
0.00%
Q1 2021$37,000
+85.0%
24,400
+55.4%
0.00%
Q4 2020$20,000
+11.1%
15,7000.0%0.00%
Q3 2020$18,000
-72.7%
15,700
-6.0%
0.00%
-100.0%
Q2 2016$66,000
+57.1%
16,700
+67.0%
0.00%0.0%
Q3 2015$42,000
+2000.0%
10,000
+4900.0%
0.00%
Q2 2015$2,000
-98.6%
200
-98.9%
0.00%
-100.0%
Q1 2015$141,000
+10.2%
18,200
+67.0%
0.00%0.0%
Q4 2014$128,000
-61.1%
10,900
-57.1%
0.00%
-60.0%
Q3 2014$329,000
-50.5%
25,400
-41.9%
0.01%
-50.0%
Q2 2014$664,00043,7000.01%
Other shareholders
CASTLIGHT HEALTH INC shareholders Q3 2020
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 1$00.00%
View complete list of CASTLIGHT HEALTH INC shareholders