SIMPLEX TRADING, LLC - QUALYS INC ownership

QUALYS INC's ticker is QLYS and the CUSIP is 74758T303. A total of 153 filers reported holding QUALYS INC in Q2 2015. The put-call ratio across all filers is 0.90 and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of QUALYS INC
ValueSharesWeighting
Q1 2022$206,000
+57.3%
1,451
+51.8%
0.00%
Q4 2021$131,000956
-41.3%
0.00%
Q4 2020$01,630
+169.9%
0.00%
Q3 2020$0
-100.0%
604
+45.9%
0.00%
Q1 2020$36,000
-73.9%
414
-75.1%
0.00%
Q4 2019$138,000
+142.1%
1,662
+116.4%
0.00%
Q4 2018$57,000
-76.7%
768
-81.4%
0.00%
-100.0%
Q4 2017$245,000
+172.2%
4,135
+135.7%
0.01%
+175.0%
Q3 2017$90,000
+650.0%
1,754
+418.9%
0.00%
+300.0%
Q1 2017$12,000
-93.1%
338
-94.3%
0.00%
-91.7%
Q2 2016$175,000
+2087.5%
5,880
+1692.7%
0.01%
+1100.0%
Q1 2016$8,000
-87.7%
328
-79.9%
0.00%
-80.0%
Q2 2015$65,0001,6280.01%
Other shareholders
QUALYS INC shareholders Q2 2015
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