Parallax Volatility Advisers
ZS icon

Parallax Volatility Advisers’s Zscaler ZS Stock Holding History

Parallax Volatility Advisers’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 		– Sell
-72,000
Closed -$16.2M – 1889
2025
Q4 		$16.2M Buy
72,000
+66,700
+1,258% +$18.8M 0.03% 353
2025
Q3 		$1.59M Buy
+5,300
New +$1.51M ﹤0.01% 989
2025
Q2 		– Sell
-287,900
Closed -$57.1M – 1872
2025
Q1 		$57.1M Buy
287,900
+127,900
+80% +$25.5M 0.15% 112
2024
Q4 		$28.9M Buy
160,000
+100,900
+171% +$19.5M 0.06% 275
2024
Q3 		$10.1M Sell
59,100
-73,100
-55% -$13.3M 0.02% 545
2024
Q2 		$25.4M Sell
132,200
-2,600
-2% -$463K 0.05% 248
2024
Q1 		$26M Buy
134,800
+21,600
+19% +$4.83M 0.06% 253
2023
Q4 		$25.1M Buy
113,200
+33,300
+42% +$6.17M 0.05% 325
2023
Q3 		$12.4M Buy
79,900
+1,800
+2% +$270K 0.03% 472
2023
Q2 		$11.4M Sell
78,100
-7,500
-9% -$916K 0.02% 495
2023
Q1 		$10M Sell
85,600
-418,900
-83% -$50.3M 0.02% 588
2022
Q4 		$56.5M Buy
504,500
+79,000
+19% +$10.7M 0.09% 249
2022
Q3 		$69.9M Buy
425,500
+186,100
+78% +$30.4M 0.11% 186
2022
Q2 		$35.8M Buy
239,400
+179,600
+300% +$31.8M 0.03% 345
2022
Q1 		$14.4M Buy
59,800
+27,100
+83% +$6.66M 0.01% 619
2021
Q4 		$10.5M Sell
32,700
-100
-0.3% -$31.5K 0.01% 582
2021
Q3 		$8.6M Sell
32,800
-11,800
-26% -$2.96M 0.01% 691
2021
Q2 		$9.64M Sell
44,600
-98,000
-69% -$18.6M 0.01% 517
2021
Q1 		$24.5M Sell
142,600
-30,500
-18% -$6.06M 0.05% 242
2020
Q4 		$34.6M Sell
173,100
-136,600
-44% -$21.7M 0.03% 389
2020
Q3 		$43.6M Sell
309,700
-86,400
-22% -$11.2M 0.03% 441
2020
Q2 		$43.4M Buy
396,100
+280,700
+243% +$23.3M 0.05% 298
2020
Q1 		$7.03M Buy
115,400
+1,400
+1% +$77.1K 0.01% 736
2019
Q4 		$5.31M Buy
114,000
+56,600
+99% +$2.63M 0.01% 883
2019
Q3 		$2.71M Buy
57,400
+20,100
+54% +$1.45M ﹤0.01% 1026
2019
Q2 		$2.86M Buy
+37,300
New +$2.66M ﹤0.01% 925

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

Parallax Volatility Advisers's ZS Position: Q1 2026 in Review

Parallax Volatility Advisers sold out of Zscaler (ZS) in Q1 2026, closing a stake of 18,301 shares — an estimated $4.12M sold.

Parallax Volatility Advisers first reported a position in ZS in Q4 2018 and held it in 28 quarters. The position peaked at $35.1M in Q3 2022. 745 funds tracked by Wall St. Rank hold ZS as of Q1 2026.

  • Parallax Volatility Advisers reported no remaining Zscaler position as of Q1 2026 after selling out during the quarter.
  • Parallax Volatility Advisers sold 18,301 Zscaler shares in Q1 2026, an estimated $4.12M.
  • Parallax Volatility Advisers first reported a position in Zscaler in Q4 2018 and held it in 28 quarters.
  • Parallax Volatility Advisers's Zscaler position peaked at $35.1M in Q3 2022.
  • 745 funds tracked by Wall St. Rank held Zscaler as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.