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WELLINGTON MANAGEMENT GROUP LLP: INSM position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 543,893 INSM 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 543,893 shares
    Change vs previous 13F +144,849 shares

    0.01% of the 13F portfolio, value $57,989,872.

    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 399,044 shares
    Change vs previous 13F -87,094 shares

    0.01% of the 13F portfolio, value $65,251,675.

    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 486,138 shares
    Change vs previous 13F -231,905 shares

    0.01% of the 13F portfolio, value $84,607,457.

    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 718,043 shares
    Change vs previous 13F -441,656 shares

    0.02% of the 13F portfolio, value $103,405,372.

    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 1,159,699 shares
    Change vs previous 13F -62,928 shares

    0.02% of the 13F portfolio, value $116,712,108.

    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 1,222,627 shares
    Change vs previous 13F +470,401 shares

    0.02% of the 13F portfolio, value $93,274,214.

    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 752,226 shares
    Change vs previous 13F -210,233 shares

    0.01% of the 13F portfolio, value $51,933,683.

    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 962,459 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $70,259,507.

    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).