Marshall Wace’s Qualys QLYS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$12.6M Buy
143,501
+140,910
+5,438% +$15.6M 0.01% 873
2025
Q4
$344K Sell
2,591
-3,831
-60% -$527K ﹤0.01% 2399
2025
Q3
$850K Buy
6,422
+1,478
+30% +$200K ﹤0.01% 2012
2025
Q2
$706K Sell
4,944
-132,269
-96% -$17.5M ﹤0.01% 2005
2025
Q1
$17.3M Sell
137,213
-115,901
-46% -$15.7M 0.02% 555
2024
Q4
$35.5M Buy
253,114
+95,612
+61% +$13.3M 0.04% 366
2024
Q3
$20.2M Buy
157,502
+127,582
+426% +$16.8M 0.02% 508
2024
Q2
$4.27M Buy
+29,920
New +$4.56M 0.01% 1066
2022
Q3
Sell
-115,420
Closed -$14.6M 3710
2022
Q2
$14.6M Buy
+115,420
New +$15.1M 0.03% 637
2022
Q1
Sell
-114,499
Closed -$15.7M 3898
2021
Q4
$15.7M Sell
114,499
-9,607
-8% -$1.23M 0.03% 597
2021
Q3
$13.8M Buy
124,106
+57,515
+86% +$6.3M 0.06% 392
2021
Q2
$6.71M Buy
66,591
+35,983
+118% +$3.66M 0.03% 682
2021
Q1
$3.21M Buy
+30,608
New +$3.43M 0.01% 1073
2020
Q3
Sell
-28,621
Closed -$2.98M 1864
2020
Q2
$2.98M Buy
+28,621
New +$3M 0.02% 638
2020
Q1
Sell
-7,629
Closed -$636K 1988
2019
Q4
$636K Sell
7,629
-12,385
-62% -$1.03M ﹤0.01% 1097
2019
Q3
$1.51M Buy
+20,014
New +$1.67M 0.01% 839
2018
Q4
Sell
-7,788
Closed -$694K 1767
2018
Q3
$694K Buy
+7,788
New +$700K 0.01% 869
2016
Q1
Sell
-102,023
Closed -$3.38M 1163
2015
Q4
$3.38M Buy
102,023
+83,930
+464% +$2.96M 0.03% 463
2015
Q3
$515K Sell
18,093
-5,649
-24% -$189K 0.01% 734
2015
Q2
$958K Buy
+23,742
New +$1.07M 0.01% 607
2014
Q4
Sell
-27,896
Closed -$742K 931
2014
Q3
$742K Buy
+27,896
New +$703K 0.01% 593

Other funds holding QLYS

Marshall Wace's QLYS Position: Q1 2026 in Review

Marshall Wace increased its Qualys (QLYS) stake by 5,438% in Q1 2026, buying an estimated $15.6M and bringing the position to 143,501 shares worth $12.6M. The position accounts for 0.01% of the portfolio, ranked #873.

Marshall Wace first reported a position in QLYS in Q3 2014 and has held it in 21 quarters since. The position peaked at $35.5M in Q4 2024. 420 funds tracked by Wall St. Rank hold QLYS as of Q1 2026.

  • Marshall Wace held 143,501 shares of Qualys worth $12.6M as of Q1 2026.
  • Marshall Wace bought 140,910 Qualys shares in Q1 2026, an estimated $15.6M.
  • Qualys made up 0.01% of Marshall Wace's portfolio in Q1 2026, its #873 holding.
  • Marshall Wace first reported a position in Qualys in Q3 2014 and has held it in 21 quarters since.
  • Marshall Wace's Qualys position peaked at $35.5M in Q4 2024.
  • 420 funds tracked by Wall St. Rank held Qualys as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.