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Disclosery

BlackRock, Inc.: WST position timeline

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

BlackRock, Inc. held 6,651,784 WST 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 6,651,784 shares
    Change vs previous 13F -184,930 shares

    0.04% of the 13F portfolio, value $2,387,990,373.

    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 6,836,714 shares
    Change vs previous 13F +236,979 shares

    0.03% of the 13F portfolio, value $1,713,554,040.

    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 6,599,735 shares
    Change vs previous 13F +143,874 shares

    0.03% of the 13F portfolio, value $1,815,851,080.

    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 6,455,861 shares
    Change vs previous 13F -149,061 shares

    0.03% of the 13F portfolio, value $1,693,566,022.

    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 6,604,922 shares
    Change vs previous 13F -325,197 shares

    0.03% of the 13F portfolio, value $1,445,156,967.

    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 6,930,119 shares
    Change vs previous 13F -520,601 shares

    0.03% of the 13F portfolio, value $1,551,515,090.

    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 7,450,720 shares
    Change vs previous 13F +173,481 shares

    0.05% of the 13F portfolio, value $2,440,557,908.

    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 7,277,239 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $2,184,336,011.

    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).