Citadel Advisors - QUALYS INC ownership

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QUALYS INC's ticker is and the CUSIP is 74758T953. A total of 3 filers reported holding QUALYS INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

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Filings
Quarter-by-quarter ownership
Citadel Advisors ownership history of QUALYS INC
ValueSharesWeighting
Q4 2015$304,000
+189.5%
9,200
+148.6%
0.00%–
Q3 2015$105,000
-89.1%
3,700
-84.5%
0.00%
-100.0%
Q2 2015$960,000
+30.8%
23,800
+50.6%
0.00%0.0%
Q1 2015$734,000
+2346.7%
15,800
+1875.0%
0.00%–
Q4 2014$30,000–800–0.00%–
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Other shareholders
QUALYS INC shareholders Q3 2015
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
JANE STREET GROUP, LLC 1,900$289,8450.00%
View complete list of QUALYS INC shareholders