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BlackRock, Inc.: CSTL position timeline

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

BlackRock, Inc. held 3,291,963 CSTL 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 3,291,963 shares
    Change vs previous 13F +309,017 shares

    <0.01% of the 13F portfolio, value $78,513,319.

    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 2,982,946 shares
    Change vs previous 13F -122,300 shares

    <0.01% of the 13F portfolio, value $73,231,325.

    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 3,105,246 shares
    Change vs previous 13F -84,650 shares

    <0.01% of the 13F portfolio, value $120,794,069.

    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 3,189,896 shares
    Change vs previous 13F +35,217 shares

    <0.01% of the 13F portfolio, value $72,633,931.

    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 3,154,679 shares
    Change vs previous 13F +171,139 shares

    <0.01% of the 13F portfolio, value $64,418,546.

    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 2,983,540 shares
    Change vs previous 13F +62,231 shares

    <0.01% of the 13F portfolio, value $59,730,470.

    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 2,921,309 shares
    Change vs previous 13F -198,963 shares

    <0.01% of the 13F portfolio, value $77,852,885.

    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 3,120,272 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $88,990,159.

    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).