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
$71.7M Buy
510,857
+270,804
+113% +$48M 0.01% 1060
2025
Q4
$54M Buy
240,053
+63,839
+36% +$18M 0.01% 1337
2025
Q3
$52.8M Sell
176,214
-1,023,480
-85% -$292M 0.01% 1326
2025
Q2
$377M Buy
1,199,694
+1,090,875
+1,002% +$272M 0.07% 216
2025
Q1
$21.6M Sell
108,819
-48,051
-31% -$9.57M ﹤0.01% 1955
2024
Q4
$28.3M Sell
156,870
-306,883
-66% -$59.4M ﹤0.01% 1801
2024
Q3
$79.3M Sell
463,753
-179,682
-28% -$32.8M 0.02% 861
2024
Q2
$124M Buy
643,435
+541,466
+531% +$96.4M 0.03% 572
2024
Q1
$19.6M Sell
101,969
-307,356
-75% -$68.8M ﹤0.01% 2086
2023
Q4
$90.7M Buy
409,325
+189,953
+87% +$35.2M 0.02% 755
2023
Q3
$34.1M Buy
219,372
+123,191
+128% +$18.5M 0.01% 1399
2023
Q2
$14.1M Buy
96,181
+70,629
+276% +$8.62M ﹤0.01% 2255
2023
Q1
$2.99M Buy
25,552
+11,535
+82% +$1.38M ﹤0.01% 4641
2022
Q4
$1.57M Sell
14,017
-495,180
-97% -$67.3M ﹤0.01% 5947
2022
Q3
$83.7M Buy
509,197
+221,903
+77% +$36.3M 0.02% 706
2022
Q2
$43M Buy
287,294
+19,374
+7% +$3.43M 0.01% 1145
2022
Q1
$64.6M Sell
267,920
-44,065
-14% -$10.8M 0.01% 931
2021
Q4
$100M Sell
311,985
-216,786
-41% -$68.3M 0.02% 655
2021
Q3
$139M Buy
528,771
+283,930
+116% +$71.3M 0.03% 499
2021
Q2
$52.9M Sell
244,841
-59,417
-20% -$11.3M 0.01% 1085
2021
Q1
$52.2M Buy
304,258
+34,218
+13% +$6.8M 0.01% 1009
2020
Q4
$53.9M Sell
270,040
-474,647
-64% -$75.5M 0.01% 899
2020
Q3
$105M Buy
744,687
+101,916
+16% +$13.2M 0.03% 440
2020
Q2
$70.4M Buy
642,771
+505,385
+368% +$42M 0.03% 591
2020
Q1
$8.36M Sell
137,386
-88,876
-39% -$4.89M ﹤0.01% 2069
2019
Q4
$10.5M Sell
226,262
-109,528
-33% -$5.08M ﹤0.01% 2141
2019
Q3
$15.9M Buy
335,790
+61,160
+22% +$4.4M 0.01% 1702
2019
Q2
$21M Buy
274,630
+163,980
+148% +$11.7M 0.01% 1373
2019
Q1
$7.85M Buy
110,650
+52,057
+89% +$2.77M ﹤0.01% 2373
2018
Q4
$2.3M Sell
58,593
-246,214
-81% -$9.3M ﹤0.01% 3929
2018
Q3
$12.4M Buy
+304,807
New +$12.3M 0.01% 1866
2018
Q2
Sell
-26,149
Closed -$798K 9366
2018
Q1
$734K Buy
+26,149
New +$766K ﹤0.01% 5259

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.