GROUP ONE TRADING, L.P. - QUALYS INC ownership

QUALYS INC's ticker is QLYS and the CUSIP is 74758T303. A total of 336 filers reported holding QUALYS INC in Q3 2021. The put-call ratio across all filers is 0.68 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of QUALYS INC
ValueSharesWeighting
Q3 2021$223,000
+214.1%
2,002
+185.2%
0.00%
Q2 2021$71,000
-6.6%
702
-3.0%
0.00%
Q1 2021$76,000
-10.6%
724
+3.4%
0.00%
Q4 2020$85,000
+165.6%
700
-27.5%
0.00%
Q4 2015$32,000
+18.5%
9660.0%0.00%
Q3 2015$27,000
-50.0%
966
-27.8%
0.00%
-100.0%
Q2 2015$54,000
+390.9%
1,338
+217.8%
0.00%
Q3 2014$11,000
+37.5%
421
+41.3%
0.00%
Q2 2014$8,000
-90.1%
298
-92.1%
0.00%
-100.0%
Q3 2013$81,000
+912.5%
3,773
+697.7%
0.00%
Q2 2013$8,0004730.00%
Other shareholders
QUALYS INC shareholders Q3 2021
NameSharesValueWeighting ↓
CDAM (UK) Ltd 553,728$84,471,20712.78%
Alpine Peaks Capital, LP 50,120$7,645,8065.33%
AMERICAN CAPITAL MANAGEMENT INC 689,676$105,210,0744.06%
Ranger Investment Management 288,774$44,052,4742.92%
Summit Creek Advisors LLC 140,688$21,461,9542.92%
Van Berkom & Associates Inc. 511,574$78,0412.54%
Herald Investment Management Ltd 76,250$11,630,4132.47%
Pembroke Management, LTD 92,246$14,072,1271.92%
NORRIS PERNE & FRENCH LLP/MI 144,017$21,969,8451.92%
Grandeur Peak Global Advisors, LLC 164,677$25,121,4761.89%
View complete list of QUALYS INC shareholders