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BLACKHILL CAPITAL INC: ZTS position timeline

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

BLACKHILL CAPITAL INC held 68,296 ZTS shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 68,296 shares
    Change vs previous 13F -27,603 shares

    0.2% of the 13F portfolio, value $4,907,751.

    13F-HR 0000872162-26-000008 filed by BLACKHILL 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 95,899 shares
    Change vs previous 13F 0 shares

    0.58% of the 13F portfolio, value $11,336,221.

    13F-HR 0000872162-26-000006 filed by BLACKHILL 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 95,899 shares
    Change vs previous 13F -35,400 shares

    0.62% of the 13F portfolio, value $12,066,012.

    13F-HR 0000872162-26-000002 filed by BLACKHILL 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 131,299 shares
    Change vs previous 13F +4,800 shares

    0.95% of the 13F portfolio, value $19,211,670.

    13F-HR 0000872162-25-000011 filed by BLACKHILL 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 126,499 shares
    Change vs previous 13F -10,000 shares

    1.14% of the 13F portfolio, value $19,727,519.

    13F-HR 0000872162-25-000009 filed by BLACKHILL CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 136,499 shares
    Change vs previous 13F -10,000 shares

    1.31% of the 13F portfolio, value $22,474,560.

    13F-HR 0000872162-25-000006 filed by BLACKHILL CAPITAL INC
    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 146,499 shares
    Change vs previous 13F 0 shares

    1.24% of the 13F portfolio, value $23,869,082.

    13F-HR 0000872162-25-000002 filed by BLACKHILL CAPITAL INC
    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 146,499 shares
    Change vs previous 13F not available

    1.65% of the 13F portfolio, value $28,622,975.

    13F-HR 0000872162-24-000010 filed by BLACKHILL CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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