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Disclosery

Westerkirk Capital Inc.: AMAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Westerkirk Capital Inc. on AMAT, newest first. How the timeline and the estimate are built.

Westerkirk Capital Inc. held 34,606 AMAT shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 34,606 shares
    Change vs previous 13F +400 shares

    2.41% of the 13F portfolio, value $25,020,138.

    13F-HR 0002080423-26-000006 filed by Westerkirk Capital Inc.
    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 34,206 shares
    Change vs previous 13F -2,194 shares

    1.26% of the 13F portfolio, value $11,691,269.

    13F-HR 0002080423-26-000004 filed by Westerkirk Capital Inc.
    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 36,400 shares
    Change vs previous 13F +12,500 shares

    0.91% of the 13F portfolio, value $9,354,436.

    13F-HR 0002080423-26-000002 filed by Westerkirk Capital Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 23,900 shares
    Change vs previous 13F +600 shares

    0.56% of the 13F portfolio, value $4,893,286.

    13F-HR 0002080423-25-000006 filed by Westerkirk Capital Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 23,300 shares
    Change vs previous 13F not available

    0.53% of the 13F portfolio, value $4,265,531.

    13F-HR 0002080423-25-000002 filed by Westerkirk Capital Inc.
    Filed (acceptance time not in the bulk data set), ingested

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