Zscaler
909 hedge funds and large institutions have $24.5B invested in Zscaler in 2025 Q3 according to their latest regulatory filings, with 130 funds opening new positions, 380 increasing their positions, 255 reducing their positions, and 113 closing their positions.
49% more repeat investments, than reductions
Existing positions increased: 380 | Existing positions reduced: 255
15% more first-time investments, than exits
New positions opened: 130 | Existing positions closed: 113
1% more funds holding
Funds holding: 904 → 909 (+5)
6% less call options, than puts
Call options by funds: $1.82B | Put options by funds: $1.94B
1.89% less ownership
Funds ownership: 53.5% → 51.61% (-1.9%)
6% less capital invested
Capital invested by funds: $26.1B → $24.5B (-$1.65B)
30% less funds holding in top 10
Funds holding in top 10: 10 → 7 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$307M |
| 2 |
AQR Capital Management
Greenwich,
Connecticut
|
+$211M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$186M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$152M |
| 5 |
BlackRock
New York
|
+$122M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$353M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$292M |
| 3 |
UBS AM
Chicago,
Illinois
|
-$210M |
| 4 |
D.E. Shaw & Co
New York
|
-$184M |
| 5 |
Two Sigma Advisers
New York
|
-$156M |
ZS Hedge Fund Activity: Q3 2025 in Review
909 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in Zscaler (ZS) for Q3 2025, worth a combined $24.5B — down 6.3% from $26.1B a quarter earlier.
Buyers outnumbered sellers: 130 funds opened new ZS positions and 113 closed out — a net gain of 17 holders — while 380 added to existing stakes and 255 trimmed.
The largest buyer was T. Rowe Price Associates, adding an estimated $307M. The largest seller was UBS Group, cutting an estimated $353M.
- 909 institutional investors held Zscaler (ZS) as of Q3 2025, up from 904 in Q2 2025.
- Funds reported $24.5B of Zscaler stock for Q3 2025, down 6.3% quarter-over-quarter.
- 130 funds opened new Zscaler positions in Q3 2025 and 113 closed out, a net change of +17 holders.
- The largest Zscaler buyer in Q3 2025 was T. Rowe Price Associates, an estimated $307M added.
- The largest Zscaler seller in Q3 2025 was UBS Group, an estimated $353M sold.
Based on aggregated 13F filings for Q3 2025.