ZS Zscaler, Inc.: institutional ownership and insider trading
854 funds reported holding $17.1B of Zscaler, Inc. in their latest 13F filings; in Q2 2026 funds net bought $384M, with 130 new positions and 133 funds selling out; over the last 12 months insiders bought $0 and sold $22.4M on the open market.
Famous investors holding ZS
- Izzy Englander (Millennium Management): $317M, 0.1% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $181M, 0.1% of the portfolio
- Ken Griffin (Citadel Advisors): $470M, 0.1% of the portfolio
- Ray Dalio (Bridgewater Associates): $2.39M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $3.08M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $550K, 0.0% of the portfolio
Largest institutional holders of ZS
- VANGUARD GROUP INC — $2.57B
- BlackRock, Inc. (BLK) — $1.40B
- VANGUARD PORTFOLIO MANAGEMENT LLC — $875M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $688M
- VANGUARD CAPITAL MANAGEMENT LLC — $666M
- GOLDMAN SACHS GROUP INC (GS, GSCE, GS-PA, GS-PC, GS-PD) — $500M
- JANE STREET GROUP, LLC — $499M
- FIRST TRUST ADVISORS LP — $498M
- CITADEL ADVISORS LLC — $470M
- STATE STREET CORP (STT, STT-PG) — $352M
Recent ZS insider trades
- Oct 12, 2026: Geller Adam sold 25,000 shares ($5.65M)
- Sep 25, 2026: Rubin Kevin sold 519 shares ($102K)
- Sep 21, 2026: Schlossman Robert sold 5,394 shares ($1.08M)
- Sep 21, 2026: Geller Adam sold 661 shares ($132K)
Members of Congress trading ZS
- Jan 13, 2025: Robert P. Bresnahan, Jr. sold $1.00K–$15.0K
5%+ owners
- BlackRock, Inc.: 5.1% (Schedule 13G, filed Jul 30, 2026)