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Disclosery

Main Street Research LLC: PANW position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Main Street Research LLC on PANW, newest first. How the timeline and the estimate are built.

Main Street Research LLC held 23,343 PANW shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 23,343 shares
    Change vs previous 13F -10,681 shares

    0.38% of the 13F portfolio, value $7,960,430.

    13F-HR 0001420506-26-001335 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 34,024 shares
    Change vs previous 13F +20,789 shares

    0.32% of the 13F portfolio, value $5,454,728.

    13F-HR 0001420506-26-000773 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 13,235 shares
    Change vs previous 13F -21,217 shares

    0.14% of the 13F portfolio, value $2,437,887.

    13F-HR 0001420506-26-000210 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 34,452 shares
    Change vs previous 13F +21,306 shares

    0.38% of the 13F portfolio, value $7,015,116.

    13F-HR 0001420506-25-003188 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 13,146 shares
    Change vs previous 13F -650 shares

    0.17% of the 13F portfolio, value $2,690,197.

    13F-HR 0001420506-25-001710 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 13,796 shares
    Change vs previous 13F -440 shares

    0.15% of the 13F portfolio, value $2,354,149.

    13F-HR 0001420506-25-000840 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 14,236 shares
    Change vs previous 13F +7,581 shares

    0.16% of the 13F portfolio, value $2,590,383.

    13F-HR 0001420506-25-000201 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 6,655 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $2,274,679.

    13F-HR 0001941040-24-000499 filed by Main Street Research LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).