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Disclosery

BlackRock, Inc.: ZTS position timeline

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

BlackRock, Inc. held 39,430,181 ZTS shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 39,430,181 shares
    Change vs previous 13F +3,845,869 shares

    0.04% of the 13F portfolio, value $2,833,452,809.

    13F-HR 0002012383-26-003238 filed by BlackRock, 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 35,584,312 shares
    Change vs previous 13F -1,766,511 shares

    0.07% of the 13F portfolio, value $4,206,421,478.

    13F-HR 0002012383-26-001841 filed by BlackRock, 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 37,350,823 shares
    Change vs previous 13F +1,152,220 shares

    0.08% of the 13F portfolio, value $4,699,480,504.

    13F-HR 0002012383-26-000920 filed by BlackRock, 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 36,198,603 shares
    Change vs previous 13F -1,036,427 shares

    0.09% of the 13F portfolio, value $5,296,579,629.

    13F-HR 0002012383-25-002949 filed by BlackRock, 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 37,235,030 shares
    Change vs previous 13F -1,247,527 shares

    0.11% of the 13F portfolio, value $5,806,803,022.

    13F-HR 0001060021-25-000120 filed by BlackRock, 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 38,482,557 shares
    Change vs previous 13F -225,649 shares

    0.13% of the 13F portfolio, value $6,336,152,940.

    13F-HR 0001576419-25-000869 filed by BlackRock, 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 38,708,206 shares
    Change vs previous 13F +476,495 shares

    0.13% of the 13F portfolio, value $6,306,728,019.

    13F-HR 0001060021-25-000002 filed by BlackRock, 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 38,231,711 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $7,469,711,616.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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