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PROFESSIONAL ADVISORY SERVICES INC: AMAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of PROFESSIONAL ADVISORY SERVICES INC on AMAT, newest first. How the timeline and the estimate are built.

PROFESSIONAL ADVISORY SERVICES INC held 13,786 AMAT shares at 2026-09-30 per its 13F-HR filed 2026-10-08.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 13,786 shares
    Change vs previous 13F +556 shares

    0.84% of the 13F portfolio, value $7,050,000.

    13F-HR 0000894205-26-000012 filed by PROFESSIONAL ADVISORY SERVICES INC
    Accepted , ingested

  2. period ended2026-06-30
    13F 13,230 shares
    Change vs previous 13F -6,661 shares

    1.14% of the 13F portfolio, value $9,565,000.

    13F-HR 0000894205-26-000007 filed by PROFESSIONAL ADVISORY SERVICES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 19,891 shares
    Change vs previous 13F -10,809 shares

    0.94% of the 13F portfolio, value $6,799,000.

    13F-HR 0000894205-26-000005 filed by PROFESSIONAL ADVISORY SERVICES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 30,700 shares
    Change vs previous 13F -8,874 shares

    1.02% of the 13F portfolio, value $7,890,000.

    13F-HR 0000894205-26-000002 filed by PROFESSIONAL ADVISORY SERVICES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 39,574 shares
    Change vs previous 13F -1,309 shares

    1.05% of the 13F portfolio, value $8,102,000.

    13F-HR 0000894205-25-000014 filed by PROFESSIONAL ADVISORY SERVICES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 40,883 shares
    Change vs previous 13F -392 shares

    1.02% of the 13F portfolio, value $7,484,000.

    13F-HR 0000894205-25-000008 filed by PROFESSIONAL ADVISORY SERVICES INC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 41,275 shares
    Change vs previous 13F not available

    0.84% of the 13F portfolio, value $5,990,000.

    13F-HR 0000894205-25-000006 filed by PROFESSIONAL ADVISORY SERVICES INC
    Filed (acceptance time not in the bulk data set), ingested

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