Zscaler, Inc. (ZS) Shareholders & Insider Trades
Zscaler shareholders at a glance
The largest holder of Zscaler stock is Ajay Mangal17.99 %, with 29.1 million shares (17.99% of the company), worth about $5.48 billion as of September 25, 2026. The 10 largest holders together own 54.3%.
In Q2 2026, 847 institutional holdings reports listed 102.0 million shares worth $11.80 billion, up 14.2% in shares from Q1 2026.
Insiders reported 72 transactions in the last two years: 46 sales worth $155.72 million and no purchases. The newest one on file is from March 18, 2026 (Geller Adam, Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through March 18, 2026.
Zscaler, Inc.
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest Zscaler shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Ajay Mangal17.99 % | 29.1 million | 17.99% | $5.5B |
| Jagtar Chaudhry16.61 % | 26.9 million | 16.61% | $5.1B |
| BlackRock Advisors LLC | 7.2 million | 4.43% | $1.4B |
| Vanguard Portfolio Management LLC | 6.2 million | 3.83% | $1.2B |
| Vanguard Capital Management LLC | 4.7 million | 2.92% | $889.0M |
| First Trust Advisors LP | 3.5 million | 2.18% | $665.0M |
| Goldman Sachs Wealth Services LP | 3.2 million | 1.96% | $596.0M |
| BlackRock Life Ltd. | 2.6 million | 1.58% | $482.0M |
| State Street Corporation | 2.5 million | 1.54% | $470.0M |
| Pictet Asset Management Holding SA | 2.1 million | 1.30% | $396.0M |
As of September 25, 2026.
Zscaler institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 847 | 102.0 million | $11.8B |
| Q1 2026 | 829 | 89.3 million | $12.5B |
| Q4 2025 | 984 | 90.5 million | $20.3B |
| Q3 2025 | 1,003 | 86.9 million | $24.6B |
| Q2 2025 | 998 | 85.4 million | $26.8B |
| Q1 2025 | 863 | 86.5 million | $17.0B |
| Q4 2024 | 849 | 76.9 million | $13.7B |
| Q3 2024 | 787 | 75.8 million | $12.8B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Zscaler insider trades
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Geller Adam | Mar 18, 2026 | Officer | Sale at price 153.53 - 156.59 per share. | $554,033 |
| Beer James Alexander | Mar 18, 2026 | Director | Sale at price 153.53 per share. | $27,175 |
| Rich Michael J | Mar 17, 2026 | Officer | Sale at price 156.59 per share. | $492,799 |
| Judge Raj | Mar 17, 2026 | Officer and Director | Sale at price 156.59 per share. | $389,604 |
| Schlossman Robert S | Mar 17, 2026 | Officer | Sale at price 156.59 per share. | $354,370 |
| Chaudhry Jagtar Singh | Mar 17, 2026 | Chief Executive Officer | Sale at price 156.59 per share. | $303,947 |
| Rubin Kevin E | Mar 17, 2026 | Chief Financial Officer | Sale at price 156.59 per share. | $263,390 |
| Darling Scott C | Jan 12, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Blasing Karen Louise | Jan 12, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Beer James Alexander | Jan 12, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Naughton Eileen | Jan 12, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Schneider David L. | Jan 12, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 72 insider transactions in the last two years.
Questions and answers
Who owns the most Zscaler stock?
Ajay Mangal17.99 %, with 17.99% of the company (as of September 25, 2026). Next: Jagtar Chaudhry16.61 % (16.61%) and BlackRock Advisors LLC (4.43%).
How many institutions own Zscaler stock?
847 institutional holdings reports listed Zscaler shares in Q2 2026, 102.0 million shares in all worth $11.80 billion.
Are Zscaler insiders buying or selling the stock?
In the last two years insiders reported 46 sales and no purchases (72 transactions in all); the newest on file is from March 18, 2026.
