ZS: Zscaler Inc insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 15 sales totaling $5.75M in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-12 | Geller Adam | Officer | $246K | yes |
| 2026-10-09 | Geller Adam | Officer | $4.92M | yes |
| 2026-10-09 | Geller Adam | Officer | $479K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $19K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $37K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $23K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $592 | yes |
| 2026-09-25 | Rubin Kevin | CFO | $2K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $4K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $1K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $7K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $2K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $4K | yes |
| 2026-09-25 | Rubin Kevin | CFO | $824 | yes |
| 2026-09-25 | Rubin Kevin | CFO | $623 | yes |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-07-30 | New 13G stake | BlackRock, Inc. | 5.10% | SEC |
Institutional ownership (Q2 2026)
751 institutions reported holding $11.13B of Zscaler Inc on Form 13F (753 the quarter before). 129 opened a new position and 134 sold out. Shares held by institutions: -7%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 9,890,384 | $1.40B |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6,196,726 | $874.67M |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,721,393 | $666.42M |
| FIRST TRUST ADVISORS LP | 3,529,213 | $498.15M |
| GOLDMAN SACHS GROUP INC | 3,161,548 | $446.25M |
| STATE STREET CORP | 2,493,672 | $351.98M |
| Pictet Asset Management Holding SA | 2,104,621 | $296.89M |
| GEODE CAPITAL MANAGEMENT, LLC | 2,090,724 | $294.32M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1,731,190 | $244.36M |
| VICTORY CAPITAL MANAGEMENT INC | 1,675,008 | $236.43M |
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