Palo Alto Networks, Inc.
CH ˙ SWX ˙ US6974351057
SecurityCH:PANW / Palo Alto Networks, Inc.
InstitutionHolocene Advisors, LP
Latest Disclosed Ownership1,184,439 shares
Latest Disclosed Value $ 189,889,260
Holocene Advisors, LP reports 385.96% increase in ownership of PANW / Palo Alto Networks, Inc.

On May 15, 2026 - Holocene Advisors, LP filed a 13F-HR form disclosing ownership of 1,184,439 shares of Palo Alto Networks, Inc. (CH:PANW) valued at $189,889,260 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 243,734 shares of Palo Alto Networks, Inc.. This represents a change in shares of 385.96% 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)
2026-05-15 2026-03-31 13F PALO ALTO NETWORKS COM 697435105 1,184,439 940,705 385.96 189,889 322.96 0.4580
2026-02-17 2025-12-31 13F PALO ALTO NETWORKS COM 697435105 243,734 -171,836 -41.35 44,896 -46.94 0.0943
2025-11-14 2025-09-30 13F PALO ALTO NETWORKS COM 697435105 415,570 415,570 84,618 0.1928
2023-11-14 2023-09-30 13F PALO ALTO NETWORKS COM 697435105 0 -294,341 -100.00 0 -100.00
2023-08-14 2023-06-30 13F PALO ALTO NETWORKS COM 697435105 294,341 -512,253 -63.51 75,207 -53.32 0.3210
2023-05-15 2023-03-31 13F PALO ALTO NETWORKS COM 697435105 806,594 806,594 161,109 0.7920
2023-02-14 2022-12-31 13F PALO ALTO NETWORKS COM 697435105 0 -721,582 -100.00 0 -100.00
2022-11-14 2022-09-30 13F PALO ALTO NETWORKS COM 697435105 721,582 721,582 118,188 0.7551
2022-08-15 2022-06-30 13F PALO ALTO NETWORKS COM 697435105 0 -180,049 -100.00 0 -100.00
2022-05-16 2022-03-31 13F PALO ALTO NETWORKS COM 697435105 180,049 -191,922 -51.60 112,082 -45.88 0.5841
2022-02-14 2021-12-31 13F PALO ALTO NETWORKS COM 697435105 371,971 11,080 3.07 207,099 19.80 1.0780
2021-11-15 2021-09-30 13F PALO ALTO NETWORKS COM 697435105 360,891 360,216 53,365.33 172,867 69,046.80 0.9394
2021-08-16 2021-06-30 13F PALO ALTO NETWORKS COM 697435105 675 -564 -45.52 250 -37.34 0.0014
2021-05-17 2021-03-31 13F PALO ALTO NETWORKS COM 697435105 1,239 -414,901 -99.70 399 -99.73 0.0025
2021-02-16 2020-12-31 13F PALO ALTO NETWORKS COM 697435105 416,140 416,140 147,892 0.9331
2020-11-16 2020-09-30 13F PALO ALTO NETWORKS COM 697435105 0 -365,641 -100.00 0 -100.00
2020-08-14 2020-06-30 13F PALO ALTO NETWORKS COM 697435105 365,641 -298,390 -44.94 83,977 -22.87 0.7360
2020-05-15 2020-03-31 13F PALO ALTO NETWORKS COM 697435105 664,031 879 0.13 108,875 -29.00 1.1692
2020-02-14 2019-12-31 13F PALO ALTO NETWORKS COM 697435105 663,152 214,440 47.79 153,354 67.67 1.3743
2019-11-14 2019-09-30 13F PALO ALTO NETWORKS COM 697435105 448,712 406,231 956.27 91,461 956.62 0.9417
2019-08-14 2019-06-30 13F PALO ALTO NETWORKS COM 697435105 42,481 42,481 8,656 0.1104
2019-05-15 2019-03-31 13F PALO ALTO NETWORKS COM 697435105 0 -143,841 -100.00 0 -100.00
2019-02-14 2018-12-31 13F PALO ALTO NETWORKS COM 697435105 143,841 143,841 27,092 0.4366
2018-11-14 2018-09-30 13F PALO ALTO NETWORKS COM 697435105 0 -604,402 -100.00 0 -100.00
2018-08-14 2018-06-30 13F PALO ALTO NETWORKS COM 697435105 604,402 604,402 124,186 2.6424
2018-05-15 2018-03-31 13F PALO ALTO NETWORKS COM 697435105 0 -124,182 -100.00 0 -100.00
2018-02-14 2017-12-31 13F PALO ALTO NETWORKS COM 697435105 124,182 124,182 17,999 0.4561
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.