Zscaler
766 hedge funds and large institutions have $16.7B invested in Zscaler in 2025 Q1 according to their latest regulatory filings, with 115 funds opening new positions, 329 increasing their positions, 209 reducing their positions, and 99 closing their positions.
57% more repeat investments, than reductions
Existing positions increased: 329 | Existing positions reduced: 209
33% more funds holding in top 10
Funds holding in top 10: 6 → 8 (+2)
18% more capital invested
Capital invested by funds: $14.2B → $16.7B (+$2.54B)
16% more first-time investments, than exits
New positions opened: 115 | Existing positions closed: 99
5.08% more ownership
Funds ownership: 49.36% → 54.44% (+5.1%)
1% more funds holding
Funds holding: 759 → 766 (+7)
14% less call options, than puts
Call options by funds: $1.51B | Put options by funds: $1.77B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$519M |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$210M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
+$206M |
| 4 |
HSBC Holdings
London,
United Kingdom
|
+$123M |
| 5 |
UBS AM
Chicago,
Illinois
|
+$105M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Viking Global Investors
Stamford,
Connecticut
|
-$165M |
| 2 |
N
Natixis
Paris,
France
|
-$89.9M |
| 3 |
JFG
Jefferies Financial Group
New York
|
-$53.9M |
| 4 |
Franklin Resources
San Mateo,
California
|
-$46.2M |
| 5 |
TA
Trivest Advisors
Hong Kong
|
-$45.1M |
ZS Hedge Fund Activity: Q1 2025 in Review
766 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Zscaler (ZS) for Q1 2025, worth a combined $16.7B — up 18% from $14.2B a quarter earlier.
Buyers outnumbered sellers: 115 funds opened new ZS positions and 99 closed out — a net gain of 16 holders — while 329 added to existing stakes and 209 trimmed.
The largest buyer was T. Rowe Price Investment Management, opening a new position worth an estimated $519M. The largest seller was Viking Global Investors, exiting entirely with an estimated $165M sold.
- 766 institutional investors held Zscaler (ZS) as of Q1 2025, up from 759 in Q4 2024.
- Funds reported $16.7B of Zscaler stock for Q1 2025, up 18% quarter-over-quarter.
- 115 funds opened new Zscaler positions in Q1 2025 and 99 closed out, a net change of +16 holders.
- The largest Zscaler buyer in Q1 2025 was T. Rowe Price Investment Management, an estimated $519M added.
- The largest Zscaler seller in Q1 2025 was Viking Global Investors, an estimated $165M sold.
Based on aggregated 13F filings for Q1 2025.