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WELLINGTON MANAGEMENT GROUP LLP: ARGX position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 930,548 ARGX shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 930,548 shares
    Change vs previous 13F -90,909 shares

    0.15% of the 13F portfolio, value $863,334,518.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 1,021,457 shares
    Change vs previous 13F +342,221 shares

    0.14% of the 13F portfolio, value $745,918,975.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 679,236 shares
    Change vs previous 13F -50,750 shares

    0.1% of the 13F portfolio, value $571,203,514.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 729,986 shares
    Change vs previous 13F +324,653 shares

    0.09% of the 13F portfolio, value $538,408,475.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 405,333 shares
    Change vs previous 13F -871 shares

    0.04% of the 13F portfolio, value $223,427,657.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 406,204 shares
    Change vs previous 13F -18,770 shares

    0.05% of the 13F portfolio, value $240,417,931.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    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/A 424,974 shares
    Change vs previous 13F -57,372 shares

    0.05% of the 13F portfolio, value $261,359,010.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 482,346 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $261,470,120.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).