BlackRock’s Zscaler ZS Stock Holding History

BlackRock’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
2022 Q1	–	Sell	-93,200	Closed	-$29.9M	–	5926
2021 Q4	$29.9M	Sell	93,200 -81,000	-46%	-$25.5M	﹤0.01%	3017
2021 Q3	$45.7M	Buy	174,200 +400	+0.2%	+$100K	﹤0.01%	2720
2021 Q2	$37.6M	Buy	+173,800	New	+$33M	﹤0.01%	2878
2019 Q4	–	Sell	-24,800	Closed	-$1.17M	–	5099
2019 Q3	$1.17M	Buy	+24,800	New	+$1.79M	﹤0.01%	3926

Other funds holding ZS

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

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

BlackRock's ZS Position: Q1 2026 in Review

BlackRock increased its Zscaler (ZS) stake by 9.4% in Q1 2026, buying an estimated $131M and bringing the position to 8,568,317 shares worth $1.2B. The position accounts for 0.02% of the portfolio, ranked #603.

BlackRock first reported a position in ZS in Q1 2018 and has held it in 33 quarters since. The position peaked at $2.33B in Q3 2025. 745 funds tracked by Wall St. Rank hold ZS as of Q1 2026.

BlackRock held 8,568,317 shares of Zscaler worth $1.2B as of Q1 2026.
BlackRock bought 737,561 Zscaler shares in Q1 2026, an estimated $131M.
Zscaler made up 0.02% of BlackRock's portfolio in Q1 2026, its #603 holding.
BlackRock first reported a position in Zscaler in Q1 2018 and has held it in 33 quarters since.
BlackRock's Zscaler position peaked at $2.33B in Q3 2025.
745 funds tracked by Wall St. Rank held Zscaler as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.