Citadel Advisors - QUALYS INC ownership

QUALYS INC's ticker is and the CUSIP is 74758T903. A total of 1 filers reported holding QUALYS INC in Q3 2016. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
Citadel Advisors ownership history of QUALYS INC
ValueSharesWeighting
Q2 2016$382,000
+35.9%
12,800
+50.6%
0.00%
Q4 2015$281,000
-53.0%
8,500
-59.5%
0.00%
-100.0%
Q3 2015$598,000
-43.8%
21,000
-20.5%
0.00%0.0%
Q2 2015$1,065,000
-17.0%
26,400
-4.3%
0.00%0.0%
Q1 2015$1,283,000
+359.9%
27,600
+273.0%
0.00%
Q4 2014$279,000
+184.7%
7,400
+100.0%
0.00%
Q3 2014$98,0003,7000.00%
Other shareholders
QUALYS INC shareholders Q3 2016
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 53,200$6,9170.01%
JANE STREET GROUP, LLC 11,300$1,469,2260.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of QUALYS INC shareholders