Janus Henderson Group
ZS icon

Janus Henderson Group’s Zscaler ZS Stock Holding History

Janus Henderson Group’s Portfolio ZS Stock Details ZS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$76M Buy
541,671
+173,268
+47% +$30.7M 0.04% 332
2025
Q4 		$82.9M Buy
368,403
+86,720
+31% +$24.5M 0.04% 321
2025
Q3 		$84.5M Buy
281,683
+272,367
+2,924% +$77.7M 0.04% 298
2025
Q2 		$2.93M Buy
9,316
+872
+10% +$217K ﹤0.01% 1121
2025
Q1 		$1.75M Sell
8,444
-867
-9% -$173K ﹤0.01% 1346
2024
Q4 		$1.68M Sell
9,311
-133
-1% -$25.7K ﹤0.01% 1403
2024
Q3 		$1.61M Buy
9,444
+782
+9% +$143K ﹤0.01% 1418
2024
Q2 		$1.66M Sell
8,662
-459
-5% -$81.7K ﹤0.01% 1345
2024
Q1 		$1.76M Buy
9,121
+963
+12% +$215K ﹤0.01% 1345
2023
Q4 		$1.81M Sell
8,158
-64
-0.8% -$11.9K ﹤0.01% 1306
2023
Q3 		$1.28M Sell
8,222
-1,502
-15% -$225K ﹤0.01% 1431
2023
Q2 		$1.42M Sell
9,724
-745
-7% -$91K ﹤0.01% 1422
2023
Q1 		$1.22M Buy
10,469
+18
+0.2% +$2.16K ﹤0.01% 1520
2022
Q4 		$1.17M Sell
10,451
-34
-0.3% -$4.62K ﹤0.01% 1282
2022
Q3 		$1.72M Sell
10,485
-269
-3% -$44K ﹤0.01% 1097
2022
Q2 		$1.61M Sell
10,754
-104,356
-91% -$18.5M ﹤0.01% 1119
2022
Q1 		$27.8M Sell
115,110
-51,597
-31% -$12.7M 0.01% 672
2021
Q4 		$53.6M Buy
166,707
+125,088
+301% +$39.4M 0.02% 524
2021
Q3 		$10.9M Sell
41,619
-28,531
-41% -$7.16M ﹤0.01% 902
2021
Q2 		$15.2M Buy
70,150
+48,952
+231% +$9.31M 0.01% 854
2021
Q1 		$3.64M Sell
21,198
-48,656
-70% -$9.67M ﹤0.01% 1068
2020
Q4 		$14M Sell
69,854
-11,567
-14% -$1.84M 0.01% 816
2020
Q3 		$11.5M Buy
81,421
+63,702
+360% +$8.27M 0.01% 808
2020
Q2 		$1.94M Buy
+17,719
New +$1.47M ﹤0.01% 1037
2020
Q1 		– Sell
-134,511
Closed -$6.25M – 1436
2019
Q4 		$6.25M Sell
134,511
-9,631
-7% -$447K ﹤0.01% 1016
2019
Q3 		$6.81M Buy
+144,142
New +$10.4M ﹤0.01% 1011

Other funds holding ZS

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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Janus Henderson Group's ZS Position: Q1 2026 in Review

Janus Henderson Group increased its Zscaler (ZS) stake by 47% in Q1 2026, buying an estimated $30.7M and bringing the position to 541,671 shares worth $76M. The position accounts for 0.04% of the portfolio, ranked #332.

Janus Henderson Group first reported a position in ZS in Q3 2019 and has held it in 26 quarters since. The position peaked at $84.5M in Q3 2025. 750 funds tracked by Wall St. Rank hold ZS as of Q1 2026.

  • Janus Henderson Group held 541,671 shares of Zscaler worth $76M as of Q1 2026.
  • Janus Henderson Group bought 173,268 Zscaler shares in Q1 2026, an estimated $30.7M.
  • Zscaler made up 0.04% of Janus Henderson Group's portfolio in Q1 2026, its #332 holding.
  • Janus Henderson Group first reported a position in Zscaler in Q3 2019 and has held it in 26 quarters since.
  • Janus Henderson Group's Zscaler position peaked at $84.5M in Q3 2025.
  • 750 funds tracked by Wall St. Rank held Zscaler as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.