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BlackRock, Inc.: ARGX position timeline

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

BlackRock, Inc. held 777,237 ARGX 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 777,237 shares
    Change vs previous 13F -31,100 shares

    0.01% of the 13F portfolio, value $721,097,624.

    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 808,337 shares
    Change vs previous 13F +72,739 shares

    0.01% of the 13F portfolio, value $590,288,301.

    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 735,598 shares
    Change vs previous 13F +211,797 shares

    0.01% of the 13F portfolio, value $618,601,356.

    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 523,801 shares
    Change vs previous 13F -26,345 shares

    0.01% of the 13F portfolio, value $386,334,951.

    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 550,146 shares
    Change vs previous 13F -471,179 shares

    0.01% of the 13F portfolio, value $303,251,279.

    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 1,021,325 shares
    Change vs previous 13F -47,625 shares

    0.01% of the 13F portfolio, value $604,486,443.

    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 1,068,950 shares
    Change vs previous 13F -55,866 shares

    0.01% of the 13F portfolio, value $657,404,330.

    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 1,124,816 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $609,740,329.

    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).