Zscaler ZS Institutional Ownership

Updated Oct 11, 2026

Zscaler, Inc. (NASDAQ:ZS) counted 733 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

• Their combined stake equaled 51.44% of outstanding shares in Q2 2026, down from 53.50% in Q1 2026.
• Total shares held in Zscaler fell 3.86% from Q1 2026, while the number of holders fell 18.46% from Q2 2025.
• Of the 733 holders, 415 added to their positions, 236 reduced their stakes and 82 left their positions unchanged in Q2 2026.
• Combined, institutional investors held 82.6Mn shares of ZS as of Q2 2026, down 3.31Mn from the prior quarter and up 1.9Mn from a year earlier.
• BlackRock, Inc. led 13F holders of ZS with 9.89Mn shares as of June 30, 2026, or 6.16% of shares outstanding.
• The largest position increases in ZS for Q2 2026 were by BlackRock, Inc. (+1.32Mn shares), Millennium Management LLC (+794.79K shares), Connor, Clark & Lunn Investment Management Ltd. (+582.64K shares), Citadel Advisors LLC (+497.74K shares) and Voloridge Investment Management, LLC (+454.56K shares).
• The largest position reductions in ZS for Q2 2026 were by FMR LLC (-1.84Mn shares), American Century Companies Inc (-1.52Mn shares), Two Sigma Investments, LP (-1.17Mn shares), T. Rowe Price Associates Inc (-1.11Mn shares) and Invesco Ltd. (-792.59K shares).
• Per Business Quant data, the 10 largest holders of Zscaler at the end of Q2 2026 were BlackRock, Inc. (9.89Mn shares), Vanguard Portfolio Management LLC (6.2Mn shares), Vanguard Capital Management LLC (4.72Mn shares), First Trust Advisors LP (3.53Mn shares), Goldman Sachs Group Inc (3.16Mn shares), State Street Corp (2.49Mn shares), Pictet Asset Management Holding SA (2.1Mn shares), Geode Capital Management, LLC (2.09Mn shares), UBS Asset Management Americas (1.73Mn shares) and Victory Capital Management Inc (1.68Mn shares).