Citadel Advisors’s Zscaler ZS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$90.5M Sell
645,100
-58,300
-8% -$10.3M 0.01% 885
2025
Q4
$158M Sell
703,400
-130,300
-16% -$36.8M 0.02% 599
2025
Q3
$250M Sell
833,700
-122,800
-13% -$35M 0.04% 387
2025
Q2
$300M Buy
956,500
+206,600
+28% +$51.5M 0.05% 278
2025
Q1
$149M Sell
749,900
-177,000
-19% -$35.3M 0.03% 483
2024
Q4
$167M Sell
926,900
-24,300
-3% -$4.7M 0.03% 479
2024
Q3
$163M Buy
951,200
+33,800
+4% +$6.17M 0.03% 445
2024
Q2
$176M Sell
917,400
-23,100
-2% -$4.11M 0.04% 401
2024
Q1
$181M Buy
940,500
+130,500
+16% +$29.2M 0.03% 414
2023
Q4
$179M Sell
810,000
-30,300
-4% -$5.61M 0.04% 385
2023
Q3
$131M Sell
840,300
-223,800
-21% -$33.6M 0.03% 495
2023
Q2
$156M Sell
1,064,100
-145,500
-12% -$17.8M 0.03% 411
2023
Q1
$141M Sell
1,209,600
-88,000
-7% -$10.6M 0.03% 453
2022
Q4
$145M Sell
1,297,600
-102,800
-7% -$14M 0.03% 472
2022
Q3
$230M Sell
1,400,400
-204,100
-13% -$33.4M 0.05% 261
2022
Q2
$240M Sell
1,604,500
-97,400
-6% -$17.2M 0.06% 230
2022
Q1
$411M Buy
1,701,900
+265,600
+18% +$65.3M 0.08% 142
2021
Q4
$462M Buy
1,436,300
+115,500
+9% +$36.4M 0.09% 127
2021
Q3
$346M Buy
1,320,800
+259,600
+24% +$65.2M 0.07% 184
2021
Q2
$229M Buy
1,061,200
+175,300
+20% +$33.3M 0.05% 277
2021
Q1
$152M Sell
885,900
-130,900
-13% -$26M 0.04% 400
2020
Q4
$203M Buy
1,016,800
+134,300
+15% +$21.4M 0.05% 255
2020
Q3
$124M Buy
882,500
+103,500
+13% +$13.4M 0.04% 350
2020
Q2
$85.3M Buy
779,000
+328,800
+73% +$27.3M 0.03% 481
2020
Q1
$27.4M Sell
450,200
-159,000
-26% -$8.75M 0.01% 989
2019
Q4
$28.3M Sell
609,200
-193,500
-24% -$8.98M 0.01% 1173
2019
Q3
$37.9M Buy
802,700
+566,300
+240% +$40.8M 0.02% 952
2019
Q2
$18.1M Buy
236,400
+25,200
+12% +$1.8M 0.01% 1513
2019
Q1
$15M Buy
211,200
+17,500
+9% +$930K 0.01% 1605
2018
Q4
$7.59M Sell
193,700
-15,900
-8% -$601K ﹤0.01% 2219
2018
Q3
$8.55M Buy
209,600
+172,100
+459% +$6.95M ﹤0.01% 2312
2018
Q2
$1.34M Buy
+37,500
New +$1.14M ﹤0.01% 4727

Other funds holding ZS

Citadel Advisors's ZS Position: Q1 2026 in Review

Citadel Advisors increased its Zscaler (ZS) stake by 113% in Q1 2026, buying an estimated $48M and bringing the position to 510,857 shares worth $71.7M. The position accounts for 0.01% of the portfolio, ranked #1060.

Citadel Advisors first reported a position in ZS in Q1 2018 and has held it in 32 quarters since. The position peaked at $377M in Q2 2025. 744 funds tracked by Wall St. Rank hold ZS as of Q1 2026.

  • Citadel Advisors held 510,857 shares of Zscaler worth $71.7M as of Q1 2026.
  • Citadel Advisors bought 270,804 Zscaler shares in Q1 2026, an estimated $48M.
  • Zscaler made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1060 holding.
  • Citadel Advisors first reported a position in Zscaler in Q1 2018 and has held it in 32 quarters since.
  • Citadel Advisors's Zscaler position peaked at $377M in Q2 2025.
  • 744 funds tracked by Wall St. Rank held Zscaler as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.