Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ZS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.6M | $1.20B | +9.4% | 5.299% | 0.02% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.9M | $832.0M | β | 3.667% | 0.04% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 4.7M | $653.9M | β | 2.882% | 0.02% |
| 4 | FIRST TRUST ADVISORS LP | 3.5M | $493.6M | +36.2% | 2.176% | 0.35% |
| 5 | GOLDMAN SACHS GROUP INC | 3.1M | $440.5M | +2.2% | 1.942% | 0.05% |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.0M | $417.2M | +6.4% | 1.839% | 0.05% |
| 7 | STATE STREET CORP | 2.4M | $334.5M | +2.0% | 1.475% | 0.01% |
| 8 | AMERICAN CENTURY COMPANIES INC | 2.4M | $334.5M | -0.7% | 1.474% | 0.17% |
| 9 | FMR LLC | 2.2M | $307.3M | -51.6% | 1.355% | 0.02% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $292.0M | +0.8% | 1.290% | 0.02% |
| 11 | UBS ASSET MANAGEMENT AMERICAS INC | 2.0M | $275.7M | +17.7% | 1.215% | 0.06% |
| 12 | Pictet Asset Management Holding SA | 1.9M | $269.3M | +52.5% | 1.188% | 0.29% |
| 13 | UBS Group AG | 1.8M | $254.1M | -22.8% | 1.120% | 0.04% |
| 14 | TIGER GLOBAL MANAGEMENT LLC | 1.6M | $221.6M | 0.0% | 0.977% | 0.97% |
| 15 | VICTORY CAPITAL MANAGEMENT INC | 1.6M | $218.2M | +1021.6% | 0.962% | 0.14% |
| 16 | MORGAN STANLEY | 1.3M | $179.8M | -17.7% | 0.793% | 0.01% |
| 17 | Squarepoint Ops LLC | 1.3M | $178.7M | +84.8% | 0.788% | 0.23% |
| 18 | TWO SIGMA INVESTMENTS, LP | 1.2M | $166.1M | +487.9% | 0.732% | 0.13% |
| 19 | AQR CAPITAL MANAGEMENT LLC | 1.0M | $141.5M | -36.5% | 0.628% | 0.06% |
| 20 | Amundi | 1.0M | $141.5M | +49.0% | 0.624% | 0.04% |
| 21 | Invesco Ltd. | 932K | $130.8M | -36.6% | 0.576% | 0.02% |
| 22 | WELLINGTON MANAGEMENT GROUP LLP | 894K | $125.3M | +566.4% | 0.552% | 0.02% |
| 23 | BANK OF AMERICA CORP /DE/ | 779K | $109.3M | +44.3% | 0.482% | 0.01% |
| 24 | BARCLAYS PLC | 774K | $108.6M | -22.5% | 0.479% | 0.04% |
| 25 | NORTHERN TRUST CORP | 689K | $96.6M | +1.2% | 0.426% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ZS β a direct measure of their conviction.
Filings activity in ZS during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new ZS position in Q1 2026
Institutions that fully closed their ZS position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 725 | 15% | 55.91% | 34.45 pp | $11.71B | 38% |
| Q4 2025 | 850 | 2.3% | 90.36% | 27.45 pp | $18.93B | 23% |
| Q3 2025 | 870 | 1.4% | 117.81% | 7.73 pp | $24.67B | 6.2% |
| Q2 2025 | 882 | +21% | 125.54% | +46.45 pp | $26.29B | +59% |
| Q1 2025 | 727 | +1.1% | 79.09% | +11.87 pp | $16.56B | +18% |
| Q4 2024 | 719 | +11% | 67.22% | +8.12 pp | $14.08B | +14% |
| Q3 2024 | 649 | 5.1% | 59.10% | 7.48 pp | $12.38B | 11% |
| Q2 2024 | 684 | β | 66.58% | β | $13.95B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ZS stock.
Based on Q1 2026 13F filings, institutional ownership of Zscaler, Inc. stands at 55.9%, held across 725 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of ZS, with approximately 8,568,317 shares worth $1.20B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of ZS, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, TIGER GLOBAL MANAGEMENT LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for ZS is 33 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
106 institutions opened new positions in ZS during Q1 2026, while 231 fully exited. 98 added to existing positions and 518 trimmed.
ZS institutional ownership fell by 34.45 percentage points quarter-over-quarter, with a net change of -125 holders.
The top 10 institutions account for 45.3% of all reported 13F value in ZS, and the top 25 account for 67.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Zscaler, Inc. (ZS) Institutional Ownership