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Disclosery

Westerkirk Capital Inc.: ZTS position timeline

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

Westerkirk Capital Inc. held 58,500 ZTS 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 58,500 shares
    Change vs previous 13F +3,600 shares

    0.4% of the 13F portfolio, value $4,203,810.

    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 54,900 shares
    Change vs previous 13F +300 shares

    0.7% of the 13F portfolio, value $6,489,729.

    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 54,600 shares
    Change vs previous 13F +11,700 shares

    0.67% of the 13F portfolio, value $6,869,772.

    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 42,900 shares
    Change vs previous 13F +9,200 shares

    0.72% of the 13F portfolio, value $6,277,128.

    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 33,700 shares
    Change vs previous 13F not available

    0.65% of the 13F portfolio, value $5,255,515.

    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).