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WELLINGTON MANAGEMENT GROUP LLP: IONS position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 7,651,415 IONS 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 7,651,415 shares
    Change vs previous 13F +1,259,599 shares

    0.1% of the 13F portfolio, value $606,680,694.

    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 6,391,816 shares
    Change vs previous 13F +131,491 shares

    0.09% of the 13F portfolio, value $479,961,465.

    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 6,260,325 shares
    Change vs previous 13F -328,486 shares

    0.09% of the 13F portfolio, value $495,254,312.

    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 6,588,811 shares
    Change vs previous 13F +243,035 shares

    0.08% of the 13F portfolio, value $431,040,015.

    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 6,345,776 shares
    Change vs previous 13F -2,070,645 shares

    0.05% of the 13F portfolio, value $250,721,611.

    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 8,416,421 shares
    Change vs previous 13F -255,727 shares

    0.05% of the 13F portfolio, value $253,923,422.

    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 8,672,148 shares
    Change vs previous 13F -63,639 shares

    0.06% of the 13F portfolio, value $303,178,294.

    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 8,735,787 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $349,955,627.

    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).