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Disclosery

BlackRock, Inc.: CWST position timeline

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

BlackRock, Inc. held 9,390,112 CWST 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 9,390,112 shares
    Change vs previous 13F +342,840 shares

    0.01% of the 13F portfolio, value $910,559,124.

    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 9,047,272 shares
    Change vs previous 13F -10,375 shares

    0.01% of the 13F portfolio, value $717,810,531.

    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 9,057,647 shares
    Change vs previous 13F +4,491,501 shares

    0.02% of the 13F portfolio, value $887,105,957.

    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 4,566,146 shares
    Change vs previous 13F -79,405 shares

    0.01% of the 13F portfolio, value $433,235,942.

    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 4,645,551 shares
    Change vs previous 13F -7,785 shares

    0.01% of the 13F portfolio, value $536,003,732.

    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 4,653,336 shares
    Change vs previous 13F -119,582 shares

    0.01% of the 13F portfolio, value $518,893,496.

    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 4,772,918 shares
    Change vs previous 13F +211,036 shares

    0.01% of the 13F portfolio, value $505,022,452.

    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 4,561,882 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $453,861,641.

    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).