WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in PANW — Palo Alto Networks Inc
CIK 1644956
CHICAGO, IL
Position in PANW
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$20,914,224
-$4,293,177 QoQ
Shares Held
130,453
-4.7% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
19 quarters on record
Voting authority
Sole 99.30932979693836.ToString("F0")%
Shared 0.ToString("F0")%
None 0.6906702030616391.ToString("F0")%
Common Shares in PANW Over Time
Shares Held
Position Value (USD)
Position in Software - Infrastructure
Technology · as of Mar 31, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $1,541,222,067 across 9 Software - Infrastructure names. PANW ranks #6 (1.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MSFT |
Microsoft Corp
|
2,896,782 | $1,072,301,792 | |
| 2 | FFIV |
F5, Inc.
|
649,948 | $188,049,454 | |
| 3 | AKAM |
Akamai Technologies Inc
|
1,619,060 | $185,949,041 | |
| 4 | IIIV |
i3 Verticals, Inc.
|
1,176,960 | $26,316,825 | |
| 5 | ZETA |
Zeta Global Holdings Corp.
|
1,594,426 | $25,383,261 | |
| 6 | PANW |
Palo Alto Networks Inc
This page
|
130,453 | $20,914,224 | |
| 7 | PAY |
Paymentus Holdings, Inc.
|
537,843 | $13,661,212 | |
| 8 | ORCL |
Oracle Corp
|
55,726 | $8,197,851 |
All Filings in PANW
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $20,914,224 | 130,453 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $25,207,401 | 136,848 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $19,091,207 | 93,759 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $31,459,511 | 153,731 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $203,010,066 | 1,189,698 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $229,929,932 | 1,263,629 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $135,472,259 | 792,699 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $169,591,617 | 1,000,511 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $131,635,866 | 926,589 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $130,569,915 | 885,580 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $95,358,470 | 813,500 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $102,097,069 | 799,163 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $66,566,251 | 666,529 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $36,258,771 | 519,690 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $1,543,311 | 18,845 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $943,836 | 11,465 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $1,482,715 | 14,291 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $2,698,985 | 29,086 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $3,733,883 | 46,771 | Shares | Sole | 2021-11-10 | |
| No filing history on record for this holder in this stock. | ||||||