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Disclosery

BlackRock, Inc.: GHC position timeline

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

BlackRock, Inc. held 425,251 GHC 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 425,251 shares
    Change vs previous 13F +9,614 shares

    0.01% of the 13F portfolio, value $485,390,176.

    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 415,637 shares
    Change vs previous 13F +2,415 shares

    0.01% of the 13F portfolio, value $439,436,515.

    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 413,222 shares
    Change vs previous 13F -2,217 shares

    0.01% of the 13F portfolio, value $453,966,281.

    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 415,439 shares
    Change vs previous 13F -6,517 shares

    0.01% of the 13F portfolio, value $489,100,782.

    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 421,956 shares
    Change vs previous 13F -289 shares

    0.01% of the 13F portfolio, value $399,242,307.

    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 422,245 shares
    Change vs previous 13F -4,059 shares

    0.01% of the 13F portfolio, value $405,718,492.

    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 426,304 shares
    Change vs previous 13F -5,689 shares

    0.01% of the 13F portfolio, value $371,703,170.

    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 431,993 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $354,977,446.

    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).