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Of the 15 tracked institutions holding ZS, 8 have a 3-year clone track record — 6 of them beat the S&P. Average holder's clone alpha: +0.3pt. It's a gauge of who owns the name, not just how many.
Among the 15 tracked institutional investors we monitor, ZS (ZSCALER INC) is held with a combined value of $5.18B across 29,819,670 shares. The largest holder is VANGUARD GROUP INC with a position worth $2.57B (0.04% of their portfolio). Bridgewater Associates, LP opened a new position in the most recent quarter. 7 funds increased their holdings. 7 funds reduced their position.
Total Institutional Value
$5.18B
Total Shares Held
29,819,670
Institutional Holders
15
% of Shares Outstanding
18.3%
of 163.05M shares · SEC 2026-08-27
Days to Cover
2.7-16.0%
6.23M shares short · FINRA 2026-08-14
Tracked 13F institutions hold 18.3% of ZS's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-08-27), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $2.57B | 0.04% | +0.5% |
| 2 | BlackRock, Inc. | $1.40B | 0.02% | +15.4% |
| 3 | STATE STREET CORP | $351.98M | 0.01% | +4.6% |
| 4 | AQR CAPITAL MANAGEMENT LLC | $192.43M | 0.07% | +34.2% |
| 5 | MILLENNIUM MANAGEMENT LLC | $159.46M | 0.11% | +86.4% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | $155.72M | 0.03% | +23.5% |
| 7 | CITADEL ADVISORS LLC | $142.36M | 0.08% | +97.4% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $90.89M | 0.01% | -63.2% |
| 9 | FMR LLC | $49.52M | 0.00% | -84.0% |
| 10 | TWO SIGMA ADVISERS, LP | $25.19M | 0.05% | -81.5% |
| Description | Amount |
|---|---|
BROAD AGENCY ANNOUNCEMENT COMPLETION CONTRACT FOR ZERO TRUST, SOFTWARE DEFINED PERIMETER. | $201K |
Source: USASpending.gov · Federal contract awards for ZS
SEC Schedule 13D (activist) and 13G (passive) filings for ZS. Filed when an investor acquires 5%+ ownership.
| Member | Type | Date |
|---|---|---|
| Rob Bresnahan | Sell | Jan 13, 2025 |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of ZS with a position worth $2.57B, representing 0.04% of their portfolio. In total, 15 institutional investors hold ZS with a combined value of $5.18B.
In the most recent quarter, 1 fund opened a new position in ZS. Additionally, 7 increased their holdings and 7 reduced their positions.
Institutional investors hold $5.18B worth of ZS stock across 15 positions. The largest institutional holder is VANGUARD GROUP INC with $2.57B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ZS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ZS positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$166.10
2026-09-09
YTD
-24.7%
22% of 52-week range
