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Disclosery

BlackRock, Inc.: MRSH position timeline

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

BlackRock, Inc. held 39,502,046 MRSH 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 39,502,046 shares
    Change vs previous 13F -2,559,630 shares

    0.1% of the 13F portfolio, value $6,583,805,966.

    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 42,061,676 shares
    Change vs previous 13F +1,616,727 shares

    0.13% of the 13F portfolio, value $7,295,597,844.

    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 40,444,949 shares
    Change vs previous 13F +1,659,315 shares

    0.13% of the 13F portfolio, value $7,503,346,915.

    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 38,785,634 shares
    Change vs previous 13F -1,487,894 shares

    0.14% of the 13F portfolio, value $7,816,468,877.

    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 40,273,528 shares
    Change vs previous 13F -327,691 shares

    0.17% of the 13F portfolio, value $8,805,404,149.

    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 40,601,219 shares
    Change vs previous 13F -1,019,252 shares

    0.21% of the 13F portfolio, value $9,907,915,547.

    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 41,620,471 shares
    Change vs previous 13F +10,590 shares

    0.18% of the 13F portfolio, value $8,840,604,258.

    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 41,609,881 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $9,282,748,244.

    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).