Adage Capital Partners’s Zscaler ZS Stock Holding History

Adage Capital Partners’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	-42,000	Closed	-$9.45M	–	1083
2025 Q4	$9.45M	Buy	42,000 +8,000	+24%	+$2.26M	0.01%	675
2025 Q3	$10.2M	Buy	+34,000	New	+$9.69M	0.02%	624
2024 Q4	–	Sell	-93,500	Closed	-$16M	–	972
2024 Q3	$16M	Buy	+93,500	New	+$17.1M	0.03%	507
2024 Q2	–	Sell	-40,000	Closed	-$7.71M	–	954
2024 Q1	$7.71M	Buy	40,000 +20,000	+100%	+$4.47M	0.01%	646
2023 Q4	$4.43M	Buy	+20,000	New	+$3.7M	0.01%	692
2021 Q3	–	Sell	-25,000	Closed	-$5.4M	–	1078
2021 Q2	$5.4M	Buy	+25,000	New	+$4.75M	0.01%	814
2021 Q1	–	Sell	-10,000	Closed	-$2M	–	1039
2020 Q4	$2M	Buy	+10,000	New	+$1.59M	﹤0.01%	750
2018 Q2	–	Sell	-25,000	Closed	-$702K	–	799
2018 Q1	$702K	Buy	+25,000	New	+$732K	﹤0.01%	697

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

Adage Capital Partners's ZS Position: Q1 2026 in Review

Adage Capital Partners sold out of Zscaler (ZS) in Q1 2026, closing a stake of 42,000 shares — an estimated $9.45M sold.

Adage Capital Partners first reported a position in ZS in Q1 2018 and held it in 8 quarters. The position peaked at $16M in Q3 2024. 744 funds tracked by Wall St. Rank hold ZS as of Q1 2026.

Adage Capital Partners reported no remaining Zscaler position as of Q1 2026 after selling out during the quarter.
Adage Capital Partners sold 42,000 Zscaler shares in Q1 2026, an estimated $9.45M.
Adage Capital Partners first reported a position in Zscaler in Q1 2018 and held it in 8 quarters.
Adage Capital Partners's Zscaler position peaked at $16M in Q3 2024.
744 funds tracked by Wall St. Rank held Zscaler as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.