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

CASTLIGHT HEALTH INC's ticker is and the CUSIP is 14862Q950. A total of 2 filers reported holding CASTLIGHT HEALTH 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 CASTLIGHT HEALTH INC
ValueSharesWeighting
Q4 2021$1,0000.0%9000.0%0.00%
Q3 2021$1,000
-50.0%
9000.0%0.00%
Q2 2021$2,0000.0%900
+125.0%
0.00%
Q3 2016$2,000
-90.9%
400
-92.7%
0.00%
Q2 2016$22,000
-43.6%
5,500
-52.6%
0.00%
-100.0%
Q1 2016$39,000
+129.4%
11,600
+190.0%
0.00%
Q3 2015$17,000
-96.8%
4,000
-93.9%
0.00%
-100.0%
Q2 2015$537,000
+1042.6%
66,000
+982.0%
0.01%
+700.0%
Q1 2015$47,000
+840.0%
6,100
+1425.0%
0.00%
Q4 2014$5,000
-98.3%
400
-98.2%
0.00%
-100.0%
Q3 2014$289,000
-31.8%
22,300
-20.1%
0.00%
-42.9%
Q2 2014$424,00027,9000.01%
Other shareholders
CASTLIGHT HEALTH INC shareholders Q4 2014
NameSharesValueWeighting ↓
Citadel Advisors 16,500$193,0000.00%
GROUP ONE TRADING, L.P. 400$5,0000.00%
View complete list of CASTLIGHT HEALTH INC shareholders