Ostrum Asset Management’s Zscaler ZS Stock Holding History

Ostrum Asset 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	$535K	Buy	3,817 +56	+1%	+$9.93K	0.03%	310
2025 Q4	$846K	Buy	3,761 +527	+16%	+$149K	0.04%	304
2025 Q3	$969K	Sell	3,234 -1,015	-24%	-$289K	0.04%	319
2025 Q2	$1.33M	Sell	4,249 -650	-13%	-$162K	0.06%	246
2025 Q1	$972K	Sell	4,899 -784	-14%	-$156K	0.05%	300
2024 Q4	$1.03M	Buy	5,683 +4,557	+405%	+$882K	0.09%	305
2024 Q3	$192K	Sell	1,126 -247	-18%	-$45.1K	0.02%	494
2024 Q2	$264K	Sell	1,373 -60	-4%	-$10.7K	0.02%	467
2024 Q1	$276K	Buy	1,433 +377	+36%	+$84.3K	0.02%	507
2023 Q4	$234K	Sell	1,056 -285	-21%	-$52.8K	0.02%	508
2023 Q3	$209K	Buy	1,341 +109	+9%	+$16.3K	0.02%	535
2023 Q2	$180K	Buy	1,232 +1	+0.1%	+$122	0.02%	540
2023 Q1	$144K	Buy	+1,231	New	+$148K	0.01%	555

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

Ostrum Asset Management's ZS Position: Q1 2026 in Review

Ostrum Asset Management increased its Zscaler (ZS) stake by 1.5% in Q1 2026, buying an estimated $9.93K and bringing the position to 3,817 shares worth $535K. The position accounts for 0.03% of the portfolio, ranked #310.

Ostrum Asset Management first reported a position in ZS in Q1 2023 and has held it in 13 quarters since. The position peaked at $1.33M in Q2 2025. 744 funds tracked by Wall St. Rank hold ZS as of Q1 2026.

Ostrum Asset Management held 3,817 shares of Zscaler worth $535K as of Q1 2026.
Ostrum Asset Management bought 56 Zscaler shares in Q1 2026, an estimated $9.93K.
Zscaler made up 0.03% of Ostrum Asset Management's portfolio in Q1 2026, its #310 holding.
Ostrum Asset Management first reported a position in Zscaler in Q1 2023 and has held it in 13 quarters since.
Ostrum Asset Management's Zscaler position peaked at $1.33M in Q2 2025.
744 funds tracked by Wall St. Rank held Zscaler as of Q1 2026.

Based on Ostrum Asset Management's 13F filing for Q1 2026, filed 14 May 2026.