JANE STREET GROUP, LLC - QUALYS INC ownership

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QUALYS INC's ticker is and the CUSIP is 74758T953. A total of 2 filers reported holding QUALYS INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
JANE STREET GROUP, LLC ownership history of QUALYS INC
ValueSharesWeighting
Q3 2023$289,845
+31.1%
1,900
+11.8%
0.00%–
Q1 2023$221,034
-60.4%
1,700
-57.5%
0.00%–
Q3 2022$558,000
+52.5%
4,000
+37.9%
0.00%–
Q2 2022$366,000–2,900–0.00%–
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Other shareholders
QUALYS INC shareholders Q1 2023
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 5,200$523,0000.00%
GROUP ONE TRADING, L.P. 6,600$665,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of QUALYS INC shareholders