Westfield Capital Management
ZS icon

Westfield Capital Management’s Zscaler ZS Stock Holding History

Westfield Capital Management’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 		$60M Buy
427,919
+147,112
+52% +$26.1M 0.25% 124
2025
Q4 		$63.2M Buy
+280,807
New +$79.3M 0.26% 128
2024
Q4 		– Sell
-399,516
Closed -$68.3M – 277
2024
Q3 		$68.3M Buy
399,516
+100,814
+34% +$18.4M 0.31% 107
2024
Q2 		$57.4M Sell
298,702
-69,581
-19% -$12.4M 0.28% 118
2024
Q1 		$70.9M Sell
368,283
-43,780
-11% -$9.79M 0.37% 98
2023
Q4 		$91.3M Buy
412,063
+65,980
+19% +$12.2M 0.53% 61
2023
Q3 		$53.8M Sell
346,083
-9,420
-3% -$1.41M 0.37% 107
2023
Q2 		$52M Buy
+355,503
New +$43.4M 0.33% 114
2023
Q1 		– Sell
-270,876
Closed -$30.3M – 258
2022
Q4 		$30.3M Sell
270,876
-120,469
-31% -$16.4M 0.23% 141
2022
Q3 		$70.6M Buy
391,345
+106,183
+37% +$17.4M 0.56% 57
2022
Q2 		$42.6M Buy
285,162
+45,137
+19% +$7.98M 0.34% 107
2022
Q1 		$57.9M Buy
+240,025
New +$59M 0.37% 94

Other funds holding ZS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Westfield Capital Management's ZS Position: Q1 2026 in Review

Westfield Capital Management increased its Zscaler (ZS) stake by 52% in Q1 2026, buying an estimated $26.1M and bringing the position to 427,919 shares worth $60M. The position accounts for 0.25% of the portfolio, ranked #124.

Westfield Capital Management first reported a position in ZS in Q1 2022 and has held it in 12 quarters since. The position peaked at $91.3M in Q4 2023. 744 funds tracked by Wall St. Rank hold ZS as of Q1 2026.

  • Westfield Capital Management held 427,919 shares of Zscaler worth $60M as of Q1 2026.
  • Westfield Capital Management bought 147,112 Zscaler shares in Q1 2026, an estimated $26.1M.
  • Zscaler made up 0.25% of Westfield Capital Management's portfolio in Q1 2026, its #124 holding.
  • Westfield Capital Management first reported a position in Zscaler in Q1 2022 and has held it in 12 quarters since.
  • Westfield Capital Management's Zscaler position peaked at $91.3M in Q4 2023.
  • 744 funds tracked by Wall St. Rank held Zscaler as of Q1 2026.

Based on Westfield Capital Management's 13F filing for Q1 2026, filed 11 May 2026.