Optiver Holding’s Zscaler ZS Stock Holding History

Optiver Holding’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	$12.2M	Buy	87,000 +22,500	+35%	+$3.99M	﹤0.01%	337
2025 Q4	$14.5M	Buy	64,500 +56,700	+727%	+$16M	0.01%	285
2025 Q3	$2.34M	Buy	7,800 +6,800	+680%	+$1.94M	﹤0.01%	387
2025 Q2	$314K	Sell	1,000 -500	-33%	-$125K	﹤0.01%	420
2025 Q1	$298K	Sell	1,500 -13,400	-90%	-$2.67M	﹤0.01%	364
2024 Q4	$2.69M	Sell	14,900 -20,000	-57%	-$3.87M	﹤0.01%	306
2024 Q3	$5.97M	Sell	34,900 -14,000	-29%	-$2.56M	﹤0.01%	283
2024 Q2	$9.4M	Sell	48,900 -78,000	-61%	-$13.9M	0.01%	265
2024 Q1	$24.4M	Buy	126,900 +48,100	+61%	+$10.8M	0.01%	204
2023 Q4	$17.5M	Buy	78,800 +33,500	+74%	+$6.2M	0.01%	239
2023 Q3	$7.05M	Buy	+45,300	New	+$6.79M	﹤0.01%	297

Other funds holding ZS

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 Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Optiver Holding's ZS Position: Q1 2026 in Review

Optiver Holding reduced its Zscaler (ZS) stake by 77% in Q1 2026, selling an estimated $3.83M and leaving 6,448 shares worth $905K. The position accounts for ﹤0.01% of the portfolio, ranked #569.

Optiver Holding first reported a position in ZS in Q3 2023 and has held it in 6 quarters since. The position peaked at $6.31M in Q4 2025. 744 funds tracked by Wall St. Rank hold ZS as of Q1 2026.

Optiver Holding held 6,448 shares of Zscaler worth $905K as of Q1 2026.
Optiver Holding sold 21,591 Zscaler shares in Q1 2026, an estimated $3.83M.
Zscaler made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #569 holding.
Optiver Holding first reported a position in Zscaler in Q3 2023 and has held it in 6 quarters since.
Optiver Holding's Zscaler position peaked at $6.31M in Q4 2025.
744 funds tracked by Wall St. Rank held Zscaler as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.