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
$122M Buy
872,400
+188,400
+28% +$33.4M 0.02% 691
2025
Q4
$154M Sell
684,000
-152,100
-18% -$42.9M 0.02% 620
2025
Q3
$251M Sell
836,100
-6,100
-0.7% -$1.74M 0.04% 385
2025
Q2
$264M Sell
842,200
-630,200
-43% -$157M 0.05% 316
2025
Q1
$292M Buy
1,472,400
+83,400
+6% +$16.6M 0.06% 259
2024
Q4
$251M Buy
1,389,000
+332,900
+32% +$64.4M 0.04% 319
2024
Q3
$181M Sell
1,056,100
-148,300
-12% -$27.1M 0.03% 399
2024
Q2
$231M Sell
1,204,400
-235,100
-16% -$41.8M 0.05% 301
2024
Q1
$277M Buy
1,439,500
+87,000
+6% +$19.5M 0.05% 263
2023
Q4
$300M Sell
1,352,500
-407,500
-23% -$75.5M 0.06% 214
2023
Q3
$274M Buy
1,760,000
+26,700
+2% +$4M 0.06% 224
2023
Q2
$254M Buy
1,733,300
+261,900
+18% +$32M 0.05% 240
2023
Q1
$172M Sell
1,471,400
-836,700
-36% -$100M 0.04% 381
2022
Q4
$258M Buy
2,308,100
+324,000
+16% +$44M 0.06% 251
2022
Q3
$326M Buy
1,984,100
+102,300
+5% +$16.7M 0.07% 173
2022
Q2
$281M Buy
1,881,800
+165,700
+10% +$29.3M 0.07% 186
2022
Q1
$414M Buy
1,716,100
+559,300
+48% +$137M 0.09% 140
2021
Q4
$372M Buy
1,156,800
+234,800
+25% +$73.9M 0.08% 162
2021
Q3
$242M Buy
922,000
+22,800
+3% +$5.73M 0.05% 281
2021
Q2
$194M Buy
899,200
+179,400
+25% +$34.1M 0.04% 329
2021
Q1
$124M Sell
719,800
-82,300
-10% -$16.4M 0.03% 486
2020
Q4
$160M Buy
802,100
+263,100
+49% +$41.8M 0.04% 339
2020
Q3
$75.8M Sell
539,000
-125,300
-19% -$16.3M 0.02% 611
2020
Q2
$72.7M Sell
664,300
-11,000
-2% -$914K 0.03% 567
2020
Q1
$41.1M Buy
675,300
+268,900
+66% +$14.8M 0.02% 745
2019
Q4
$18.9M Sell
406,400
-250,400
-38% -$11.6M 0.01% 1539
2019
Q3
$31M Buy
656,800
+359,900
+121% +$25.9M 0.01% 1095
2019
Q2
$22.8M Buy
296,900
+42,400
+17% +$3.02M 0.01% 1308
2019
Q1
$18.1M Buy
254,500
+100,700
+65% +$5.35M 0.01% 1431
2018
Q4
$6.03M Buy
153,800
+70,300
+84% +$2.66M ﹤0.01% 2532
2018
Q3
$3.4M Sell
83,500
-85,700
-51% -$3.46M ﹤0.01% 3535
2018
Q2
$6.05M Buy
+169,200
New +$5.16M ﹤0.01% 2517

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.