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
-47,000
Closed -$10.6M – 1891
2025
Q4 		$10.6M Buy
47,000
+700
+2% +$198K 0.02% 440
2025
Q3 		$13.9M Sell
46,300
-33,700
-42% -$9.61M 0.02% 372
2025
Q2 		$25.1M Sell
80,000
-26,800
-25% -$6.68M 0.06% 232
2025
Q1 		$21.2M Buy
106,800
+34,300
+47% +$6.83M 0.06% 260
2024
Q4 		$13.1M Buy
72,500
+4,400
+6% +$852K 0.03% 480
2024
Q3 		$11.6M Sell
68,100
-30,200
-31% -$5.52M 0.02% 493
2024
Q2 		$18.9M Sell
98,300
-74,600
-43% -$13.3M 0.04% 309
2024
Q1 		$33.3M Sell
172,900
-82,600
-32% -$18.5M 0.07% 216
2023
Q4 		$56.6M Buy
255,500
+43,900
+21% +$8.13M 0.12% 158
2023
Q3 		$32.9M Buy
211,600
+87,900
+71% +$13.2M 0.07% 213
2023
Q2 		$18.1M Buy
123,700
+5,600
+5% +$684K 0.04% 373
2023
Q1 		$13.8M Sell
118,100
-422,800
-78% -$50.7M 0.03% 473
2022
Q4 		$60.5M Buy
540,900
+51,400
+11% +$6.98M 0.09% 239
2022
Q3 		$80.5M Buy
489,500
+205,500
+72% +$33.6M 0.12% 153
2022
Q2 		$42.5M Buy
284,000
+137,300
+94% +$24.3M 0.04% 316
2022
Q1 		$35.4M Sell
146,700
-60,500
-29% -$14.9M 0.02% 348
2021
Q4 		$66.6M Buy
207,200
+79,900
+63% +$25.2M 0.08% 182
2021
Q3 		$33.4M Buy
127,300
+59,400
+87% +$14.9M 0.03% 333
2021
Q2 		$14.7M Buy
67,900
+27,500
+68% +$5.23M 0.02% 430
2021
Q1 		$6.94M Sell
40,400
-49,200
-55% -$9.77M 0.02% 450
2020
Q4 		$17.9M Sell
89,600
-85,500
-49% -$13.6M 0.02% 558
2020
Q3 		$24.6M Sell
175,100
-133,100
-43% -$17.3M 0.02% 653
2020
Q2 		$33.8M Sell
308,200
-3,700
-1% -$307K 0.04% 361
2020
Q1 		$19M Buy
311,900
+209,700
+205% +$11.5M 0.02% 420
2019
Q4 		$4.75M Buy
102,200
+54,800
+116% +$2.54M 0.01% 930
2019
Q3 		$2.23M Sell
47,400
-42,500
-47% -$3.06M ﹤0.01% 1098
2019
Q2 		$6.89M Buy
+89,900
New +$6.4M 0.01% 625

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.