Palo Alto Networks, Inc.
CH ˙ SWX ˙ US6974351057
SecurityCH:PANW / Palo Alto Networks, Inc.
InstitutionWinton Capital Group Ltd
Latest Disclosed Ownership19,604 shares
Latest Disclosed Value $ 3,142,913
Winton Capital Group Ltd reports 74.43% decrease in ownership of PANW / Palo Alto Networks, Inc.

On May 12, 2026 - Winton Capital Group Ltd filed a 13F-HR form disclosing ownership of 19,604 shares of Palo Alto Networks, Inc. (CH:PANW) valued at $3,142,913 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 76,681 shares of Palo Alto Networks, Inc.. This represents a change in shares of -74.43% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-12 2026-03-31 13F PALO ALTO NETWORKS COM 697435105 19,604 -57,077 -74.43 3,143 -77.75 0.1103
2026-02-11 2025-12-31 13F PALO ALTO NETWORKS COM 697435105 76,681 76,681 14,125 0.4876
2025-11-13 2025-09-30 13F PALO ALTO NETWORKS COM 697435105 0 -14,492 -100.00 0 -100.00
2025-08-14 2025-06-30 13F PALO ALTO NETWORKS COM 697435105 14,492 -89,697 -86.09 2,966 -83.32 0.1515
2025-05-15 2025-03-31 13F PALO ALTO NETWORKS COM 697435105 104,189 13,936 15.44 17,779 8.26 1.0827
2025-02-12 2024-12-31 13F PALO ALTO NETWORKS COM 697435105 90,253 90,253 16,422 1.0906
2024-05-14 2024-03-31 13F PALO ALTO NETWORKS COM 697435105 0 -6,974 -100.00 0 -100.00
2024-02-12 2023-12-31 13F PALO ALTO NETWORKS COM 697435105 6,974 6,974 2,056 0.1497
2023-11-13 2023-09-30 13F PALO ALTO NETWORKS COM 697435105 0 -14,796 -100.00 0 -100.00
2023-08-14 2023-06-30 13F PALO ALTO NETWORKS COM 697435105 14,796 8,431 132.46 3,781 197.40 0.3164
2023-05-12 2023-03-31 13F PALO ALTO NETWORKS COM 697435105 6,365 6,365 1,271 0.0775
2021-08-10 2021-06-30 13F PALO ALTO NETWORKS COM 697435105 0 -1,557 -100.00 0 -100.00
2021-07-21 2021-03-31 13F PALO ALTO NETWORKS COM 697435105 1,557 877 128.97 501 107.02 0.0286
2021-02-12 2020-12-31 13F PALO ALTO NETWORKS COM 697435105 680 -10,578 -93.96 242 -91.22 0.0175
2020-10-30 2020-09-30 13F PALO ALTO NETWORKS COM 697435105 11,258 -14,139 -55.67 2,755 -52.77 0.0896
2020-08-05 2020-06-30 13F PALO ALTO NETWORKS COM 697435105 25,397 -30,099 -54.24 5,833 -35.89 0.1505
2020-05-11 2020-03-31 13F PALO ALTO NETWORKS COM 697435105 55,496 14,473 35.28 9,099 -4.09 0.2401
2020-02-13 2019-12-31 13F PALO ALTO NETWORKS COM 697435105 41,023 -8,756 -17.59 9,487 -6.50 0.1332
2019-11-08 2019-09-30 13F PALO ALTO NETWORKS COM 697435105 49,779 38,083 325.61 10,146 325.77 0.1200
2019-07-08 2019-06-30 13F PALO ALTO NETWORKS COM 697435105 11,696 -29,835 -71.84 2,383 -76.38 0.0463
2019-05-13 2019-03-31 13F PALO ALTO NETWORKS COM 697435105 41,531 -35,546 -46.12 10,087 -30.52 0.2028
2019-02-05 2018-12-31 13F PALO ALTO NETWORKS COM 697435105 77,077 -4,164 -5.13 14,517 -20.67 0.3128
2018-11-02 2018-09-30 13F PALO ALTO NETWORKS COM 697435105 81,241 -5,747 -6.61 18,300 2.39 0.3834
2018-08-20 2018-06-30 13F PALO ALTO NETWORKS COM 697435105 86,988 -13,140 -13.12 17,873 -1.66 0.4567
2018-05-21 2018-03-31 13F PALO ALTO NETWORKS COM 697435105 100,128 92,048 1,139.21 18,175 1,452.09 0.5132
2018-02-13 2017-12-31 13F PALO ALTO NETWORKS COM 697435105 8,080 8,080 1,171 0.0339
2017-11-13 2017-09-30 13F PALO ALTO NETWORKS COM 697435105 0 -26,309 -100.00 0 -100.00
2017-08-17 2017-06-30 13F PALO ALTO NETWORKS COM 697435105 26,309 -6,650 -20.18 3,520 -5.22 0.1035
2017-05-19 2017-03-31 13F/A-1 PALO ALTO NETWORKS COM 697435105 32,959 -21,344 -39.31 3,714 -45.31 0.1010
2017-05-12 2017-03-31 13F PALO ALTO NETWORKS COM 697435105 5,904 941
2017-02-13 2016-12-31 13F PALO ALTO NETWORKS COM 697435105 54,303 48,399 819.77 6,791 621.68 0.2242
2016-11-08 2016-09-30 13F PALO ALTO NETWORKS COM 697435105 5,904 5,904 941 0.0162
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.