Jane Street
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Jane Street’s Qualys QLYS Stock Holding History

Jane Street’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
Q3 		$21.1M Buy
112,600
+25,000
+29% +$4.21M ﹤0.01% 2041
2026
Q2 		$12M Buy
87,600
+39,000
+80% +$3.84M ﹤0.01% 2640
2026
Q1 		$4.27M Buy
48,600
+17,100
+54% +$1.9M ﹤0.01% 3741
2025
Q4 		$4.19M Buy
+31,500
New +$4.33M ﹤0.01% 3511
2024
Q2 		– Sell
-29,300
Closed -$4.89M – 10032
2024
Q1 		$4.89M Buy
+29,300
New +$5.17M ﹤0.01% 2635
2023
Q4 		– Sell
-1,900
Closed -$290K – 9686
2023
Q3 		$290K Buy
+1,900
New +$273K ﹤0.01% 7110
2023
Q2 		– Sell
-1,700
Closed -$221K – 9410
2023
Q1 		$221K Buy
+1,700
New +$199K ﹤0.01% 7701
2022
Q4 		– Sell
-4,000
Closed -$558K – 9942
2022
Q3 		$558K Buy
4,000
+1,100
+38% +$155K ﹤0.01% 6486
2022
Q2 		$366K Buy
2,900
+1,100
+61% +$144K ﹤0.01% 7273
2022
Q1 		$256K Buy
+1,800
New +$230K ﹤0.01% 8639
2021
Q4 		– Sell
-3,400
Closed -$378K – 10675
2021
Q3 		$378K Sell
3,400
-7,500
-69% -$821K ﹤0.01% 7763
2021
Q2 		$1.1M Sell
10,900
-1,500
-12% -$153K ﹤0.01% 5635
2021
Q1 		$1.3M Sell
12,400
-4,300
-26% -$481K ﹤0.01% 4938
2020
Q4 		$2.04M Buy
16,700
+7,100
+74% +$702K ﹤0.01% 3459
2020
Q3 		$941K Buy
9,600
+2,100
+28% +$225K ﹤0.01% 4194
2020
Q2 		$780K Buy
+7,500
New +$786K ﹤0.01% 4437
2019
Q3 		– Sell
-6,900
Closed -$601K – 5617
2019
Q2 		$601K Buy
+6,900
New +$595K ﹤0.01% 3339
2018
Q3 		– Sell
-2,500
Closed -$211K – 5597
2018
Q2 		$211K Buy
+2,500
New +$201K ﹤0.01% 4508
2018
Q1 		– Sell
-15,800
Closed -$938K – 5292
2017
Q4 		$938K Buy
+15,800
New +$888K ﹤0.01% 2404

Other funds holding QLYS

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 38.25% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $234B AUM 43.58% 1-Year Est. Return
Boston Trust Walden
Boston Trust Walden Boston, Massachusetts $12.4B AUM 21.62% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Jane Street's QLYS Position: Q3 2026 in Review

Jane Street opened a new position in Qualys (QLYS) in Q3 2026: 1,866 shares worth $349K. The stake represents ﹤0.01% of the portfolio and ranks #8828 among its holdings. This is a return to the name: Jane Street previously reported a position in QLYS as recently as Q1 2026.

Jane Street first reported a position in QLYS in Q2 2013 and has held it in 36 quarters since. The position peaked at $13.4M in Q2 2024. 401 funds tracked by Wall St. Rank hold QLYS as of Q3 2026.

  • Jane Street held 1,866 shares of Qualys worth $349K as of Q3 2026.
  • Qualys was a new Jane Street position in Q3 2026.
  • Qualys made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #8828 holding.
  • Jane Street first reported a position in Qualys in Q2 2013 and has held it in 36 quarters since.
  • Jane Street's Qualys position peaked at $13.4M in Q2 2024.
  • 401 funds tracked by Wall St. Rank held Qualys as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.