ZS
ZSCALER (ZS)
NASDAQ
$235.79+$4.46 (+1.93%)
Price as of Oct 22, 2026 7:32 PM EDT
  • $37.7B
    Market Cap
  • -24.87%
    1-Year Change
  • Software - Infrastructure
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
7.01%
11.4M
+55,521 (+0.49%)
Dec 31, 2025
BLACKROCK, INC.
6.07%
9.9M
+1.3M (+13.37%)
Jun 30, 2026
BLACKROCK INC.
4.25%
6.9M
+6,938 (+0.10%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
4.04%
6.6M
-329,613 (-5.00%)
Dec 31, 2024
N/A
3.80%
6.2M
+266,091 (+4.29%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
3.80%
6.2M
+266,091 (+4.29%)
Jun 30, 2026
GROUPAMA ASSET MANAGMENT
2.91%
4.8M
+4.7M (+99.95%)
Sep 30, 2025

Current Ownership Distribution

  • Institutions1.5B (57.89%)
  • Mutual Funds1.0B (40.74%)
  • Insiders34.4M (1.37%)
  • Other0 (0.00%)

Insider Transactions

  • 1.37% (34.4M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 7
    Number of InsiderSelling (last 12 months)
  • $516.7M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Geller Adam
Chief Product Officer
Exempt
Oct 12, 2026
$214,245.62
1,042
$205.61
25,000
Geller Adam
Chief Product Officer
Exempt
Oct 12, 2026
$214,245.62
1,042
$205.61
39,350
Geller Adam
Chief Product Officer
Sell
Oct 12, 2026
$245,859.90
1,042
$235.95
38,308
Geller Adam
Chief Product Officer
Exempt
Oct 09, 2026
$4.9M
23,958
$205.61
62,266
Geller Adam
Chief Product Officer
Sell
Oct 09, 2026
$4.9M
21,875
$225.00
40,391
Geller Adam
Chief Product Officer
Sell
Oct 09, 2026
$479,091.25
2,083
$230.00
38,308
Geller Adam
Chief Product Officer
Exempt
Oct 09, 2026
$4.9M
23,958
$205.61
26,042
Schlossman Robert
Chief Legal Officer
Sell
Sep 21, 2026
$1.1M
5,394
$200.00
61,525
Geller Adam
Chief Product Officer
Sell
Sep 21, 2026
$132,200.00
661
$200.00
38,308
Geller Adam
Chief Product Officer
Sell
Sep 17, 2026
$880,173.84
4,584
$192.01
38,969
Rich Michael J.
CRO and President of WW Sales
Sell
Sep 16, 2026
$791,869.58
4,108
$192.76
96,193
Chaudhry Jagtar Singh
CEO & Chairman
Sell
Sep 16, 2026
$549,759.51
2,852
$192.76
340,186
Geller Adam
Chief Product Officer
Sell
Sep 16, 2026
$1.1M
5,578
$192.76
43,553
Geller Adam
Chief Product Officer
Award
Sep 15, 2026
$0.00
6,817
$0.00
49,131
RUBIN KEVIN
Chief Financial Officer
Sell
Aug 25, 2026
$50,207.25
291
$172.53
41,107
RUBIN KEVIN
Chief Financial Officer
Sell
Aug 25, 2026
$15,964.96
92
$173.53
41,015
RUBIN KEVIN
Chief Financial Officer
Sell
Aug 25, 2026
$8,377.98
48
$174.54
40,967
RUBIN KEVIN
Chief Financial Officer
Sell
Aug 25, 2026
$11,601.36
66
$175.78
40,901
RUBIN KEVIN
Chief Financial Officer
Sell
Aug 25, 2026
$1,058.94
6
$176.49
40,895
RUBIN KEVIN
Chief Financial Officer
Sell
Jul 27, 2026
$10,421.54
72
$144.74
41,829
RUBIN KEVIN
Chief Financial Officer
Sell
Jul 27, 2026
$10,928.13
75
$145.71
41,754
RUBIN KEVIN
Chief Financial Officer
Sell
Jul 27, 2026
$14,088.42
96
$146.75
41,658
RUBIN KEVIN
Chief Financial Officer
Sell
Jul 27, 2026
$17,433.06
118
$147.74
41,540
RUBIN KEVIN
Chief Financial Officer
Sell
Jul 27, 2026
$21,131.11
142
$148.81
41,398
Geller Adam
Chief Product Officer
Sell
Jun 22, 2026
$345,364.20
2,817
$122.60
42,314
Geller Adam
Chief Product Officer
Sell
Jun 16, 2026
$245,273.23
1,940
$126.43
45,131
Rich Michael J.
CRO and President of WW Sales
Sell
Jun 16, 2026
$528,981.03
4,184
$126.43
100,301
RUBIN KEVIN
Chief Financial Officer
Sell
Jun 16, 2026
$213,160.14
1,686
$126.43
44,901
Geller Adam
Chief Product Officer
Sell
Mar 18, 2026
$321,491.82
2,094
$153.53
46,949
BEER JAMES A
Sell
Mar 18, 2026
$27,174.81
177
$153.53
4,384