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PROFESSIONAL ADVISORY SERVICES INC: LRCX position timeline

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

PROFESSIONAL ADVISORY SERVICES INC held 29,275 LRCX 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 29,275 shares
    Change vs previous 13F -1,827 shares

    1.15% of the 13F portfolio, value $9,617,000.

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

  2. period ended2026-06-30
    13F 31,102 shares
    Change vs previous 13F -17,968 shares

    1.61% of the 13F portfolio, value $13,477,000.

    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 49,070 shares
    Change vs previous 13F -18,254 shares

    1.45% of the 13F portfolio, value $10,484,000.

    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 67,324 shares
    Change vs previous 13F -5,486 shares

    1.49% of the 13F portfolio, value $11,525,000.

    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 72,810 shares
    Change vs previous 13F -13,959 shares

    1.27% of the 13F portfolio, value $9,749,000.

    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 86,769 shares
    Change vs previous 13F -3,220 shares

    1.15% of the 13F portfolio, value $8,446,000.

    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 89,989 shares
    Change vs previous 13F not available

    0.92% of the 13F portfolio, value $6,542,000.

    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).