ZS
Zscaler Inc
224.40$
-0.3%
vs. previous close
Closing price · As of: Nov 4, 2026
Ownership
Ownership Structure
Who owns Zscaler Inc (ZS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 65.3% of the shares are freely tradable; institutional investors hold 58.0%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
58.0%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
35.0%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
65.3%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
5.4%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
163Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 6.07 | 9,890,384 | +15.4 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 3.80 | 6,196,726 | +4.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.90 | 4,721,393 | +1.3 | 06/30/2026 |
| First Trust Advisors L.P. | 2.16 | 3,529,213 | +0.3 | 06/30/2026 |
| The Goldman Sachs Group Inc | 1.94 | 3,161,548 | +8.1 | 06/30/2026 |
| State Street Corp | 1.53 | 2,493,672 | +4.6 | 06/30/2026 |
| Pictet Asset Manangement SA | 1.29 | 2,104,621 | +9.6 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.04 | 3,324,879 | -0.5 | 09/30/2026 |
| First Trust NASDAQ Cybersecurity ETF | 1.92 | 3,122,996 | +0.0 | 09/30/2026 |
| Vanguard MStar Mid Cap Index Instl | 1.38 | 2,250,772 | -1.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Chaudhry Jagtar Singh | CEO & Chairman | 340,186 | 76,337,738 $ | Sep 16, 2026 | direct |
| Rich Michael J. | CRO and President of WW Sales | 96,193 | 21,585,709 $ | Sep 16, 2026 | direct |
| Schlossman Robert | Chief Legal Officer | 75,710 | 16,989,324 $ | Oct 19, 2026 | direct |
| Rubin Kevin | Chief Financial Officer | 62,133 | 13,942,645 $ | Oct 26, 2026 | direct |
| Geller Adam | Chief Product Officer | 58,167 | 13,052,675 $ | Nov 2, 2026 | direct |
| Beer James A | Director | 4,030 | 904,332 $ | Sep 17, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | Geller Adam | Chief Product Officer | Sell | 1,041 | 238.00 | 247,758 |
| Nov 2, 2026 | Geller Adam | Chief Product Officer | Other | 1,041 | 205.61 | 214,040 |
| Oct 26, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 252 | 260.35 | 65,607 |
| Oct 26, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 120 | 259.73 | 31,168 |
| Oct 26, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 19 | 258.62 | 4,914 |
| Oct 26, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 21 | 257.48 | 5,407 |
| Oct 26, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 16 | 256.31 | 4,101 |
| Oct 26, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 14 | 255.32 | 3,575 |
| Oct 26, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 32 | 254.34 | 8,139 |
| Oct 26, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 20 | 261.27 | 5,225 |
| Oct 19, 2026 | Schlossman Robert | Chief Legal Officer | Other | 14,185 | 0.00 | – |
| Oct 19, 2026 | Rubin Kevin | Chief Financial Officer | Other | 19,859 | 0.00 | – |
| Oct 19, 2026 | Geller Adam | Chief Product Officer | Other | 19,859 | 0.00 | – |
| Oct 12, 2026 | Geller Adam | Chief Product Officer | Sell | 1,042 | 235.95 | 245,860 |
| Oct 12, 2026 | Geller Adam | Chief Product Officer | Other | 1,042 | 205.61 | 214,246 |
| Oct 9, 2026 | Geller Adam | Chief Product Officer | Sell | 2,083 | 230.00 | 479,091 |
| Oct 9, 2026 | Geller Adam | Chief Product Officer | Sell | 21,875 | 225.00 | 4,921,875 |
| Oct 9, 2026 | Geller Adam | Chief Product Officer | Other | 23,958 | 205.61 | 4,926,004 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 4 | 205.99 | 824 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 12 | 204.42 | 2,453 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 36 | 203.15 | 7,313 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 5 | 202.06 | 1,010 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 20 | 205.35 | 4,107 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 9 | 199.71 | 1,797 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 3 | 207.80 | 623 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 118 | 196.57 | 23,196 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 189 | 195.64 | 36,977 |
| Sep 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 100 | 194.76 | 19,476 |
| Sep 21, 2026 | Geller Adam | Chief Product Officer | Sell | 661 | 200.00 | 132,200 |
| Sep 21, 2026 | Schlossman Robert | Chief Legal Officer | Sell | 5,394 | 200.00 | 1,078,800 |
| Sep 17, 2026 | Geller Adam | Chief Product Officer | Sell | 4,584 | 192.01 | 880,174 |
| Sep 17, 2026 | Beer James A | Director | Sell | 177 | 192.01 | 33,986 |
| Sep 16, 2026 | Chaudhry Jagtar Singh | CEO & Chairman | Sell | 2,852 | 192.76 | 549,760 |
| Sep 16, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 5,957 | 192.76 | 1,148,288 |
| Sep 16, 2026 | Geller Adam | Chief Product Officer | Sell | 5,578 | 192.76 | 1,075,231 |
| Sep 16, 2026 | Rich Michael J. | CRO and President of WW Sales | Sell | 4,108 | 192.76 | 791,870 |
| Sep 16, 2026 | Schlossman Robert | Chief Legal Officer | Sell | 2,325 | 192.76 | 448,174 |
| Sep 15, 2026 | Rubin Kevin | Chief Financial Officer | Other | 8,349 | 0.00 | – |
| Sep 15, 2026 | Geller Adam | Chief Product Officer | Other | 6,817 | 0.00 | – |
| Aug 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 6 | 176.49 | 1,059 |
| Aug 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 66 | 175.78 | 11,601 |
| Aug 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 48 | 174.54 | 8,378 |
| Aug 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 92 | 173.53 | 15,965 |
| Aug 25, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 291 | 172.53 | 50,207 |
| Jul 27, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 142 | 148.81 | 21,131 |
| Jul 27, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 118 | 147.74 | 17,433 |
| Jul 27, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 96 | 146.75 | 14,088 |
| Jul 27, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 75 | 145.71 | 10,928 |
| Jul 27, 2026 | Rubin Kevin | Chief Financial Officer | Sell | 72 | 144.74 | 10,422 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 4, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.