Acadian Asset Management
QLYS icon

Acadian Asset Management’s Qualys QLYS Stock Holding History

Acadian Asset Management’s Portfolio QLYS Stock Details QLYS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$74.5M Buy
542,279
+360,172
+198% +$35.4M 0.09% 197
2026
Q1 		$16M Buy
182,107
+66,755
+58% +$7.4M 0.02% 424
2025
Q4 		$15.3M Sell
115,352
-53,064
-32% -$7.3M 0.03% 379
2025
Q3 		$22.3M Buy
168,416
+31,581
+23% +$4.28M 0.04% 303
2025
Q2 		$19.5M Buy
136,835
+68,632
+101% +$9.08M 0.04% 324
2025
Q1 		$8.58M Sell
68,203
-44,577
-40% -$6.03M 0.02% 363
2024
Q4 		$15.8M Sell
112,780
-153,641
-58% -$21.4M 0.05% 273
2024
Q3 		$34.2M Sell
266,421
-19,584
-7% -$2.59M 0.11% 183
2024
Q2 		$40.8M Buy
286,005
+139,897
+96% +$21.3M 0.13% 157
2024
Q1 		$24.4M Buy
146,108
+48,462
+50% +$8.56M 0.08% 186
2023
Q4 		$19.2M Buy
+97,646
New +$17.1M 0.07% 215
2023
Q1 		– Sell
-84,166
Closed -$9.44M – 1926
2022
Q4 		$9.44M Sell
84,166
-74,852
-47% -$9.35M 0.05% 291
2022
Q3 		$22.2M Buy
159,018
+155,985
+5,143% +$22M 0.12% 167
2022
Q2 		$383K Buy
+3,033
New +$397K ﹤0.01% 1049
2021
Q4 		– Sell
-308
Closed -$34K – 1818
2021
Q3 		$34K Buy
+308
New +$33.7K ﹤0.01% 1599
2021
Q1 		– Sell
-761
Closed -$93K – 2278
2020
Q4 		$93K Sell
761
-3,544
-82% -$351K ﹤0.01% 1773
2020
Q3 		$422K Sell
4,305
-4,870
-53% -$521K ﹤0.01% 1186
2020
Q2 		$954K Sell
9,175
-4,113
-31% -$431K ﹤0.01% 978
2020
Q1 		$1.16M Sell
13,288
-3,612
-21% -$303K 0.01% 746
2019
Q4 		$1.41M Buy
+16,900
New +$1.4M 0.01% 792
2019
Q1 		– Sell
-825
Closed -$62K – 2024
2018
Q4 		$62K Buy
+825
New +$62.2K ﹤0.01% 1382
2018
Q1 		– Sell
-516
Closed -$31K – 1803
2017
Q4 		$31K Buy
+516
New +$29K ﹤0.01% 1307
2015
Q3 		– Sell
-6,995
Closed -$282K – 1403
2015
Q2 		$282K Buy
+6,995
New +$314K ﹤0.01% 881

Other funds holding QLYS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

Acadian Asset Management's QLYS Position: Q2 2026 in Review

Acadian Asset Management increased its Qualys (QLYS) stake by 198% in Q2 2026, buying an estimated $35.4M and bringing the position to 542,279 shares worth $74.5M. The position accounts for 0.09% of the portfolio, ranked #197.

Acadian Asset Management first reported a position in QLYS in Q2 2015 and has held it in 23 quarters since. 430 funds tracked by Wall St. Rank hold QLYS as of Q2 2026.

  • Acadian Asset Management held 542,279 shares of Qualys worth $74.5M as of Q2 2026.
  • Acadian Asset Management bought 360,172 Qualys shares in Q2 2026, an estimated $35.4M.
  • Qualys made up 0.09% of Acadian Asset Management's portfolio in Q2 2026, its #197 holding.
  • Acadian Asset Management first reported a position in Qualys in Q2 2015 and has held it in 23 quarters since.
  • 430 funds tracked by Wall St. Rank held Qualys as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.