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FMR LLC: INSM position timeline

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

FMR LLC held 16,143,583 INSM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 16,143,583 shares
    Change vs previous 13F +2,983,416 shares

    0.07% of the 13F portfolio, value $1,721,228,828.

    13F-HR 0000315066-26-002260 filed by FMR LLC
    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 13,160,167 shares
    Change vs previous 13F +3,232,231 shares

    0.11% of the 13F portfolio, value $2,151,950,430.

    13F-HR 0000315066-26-001390 filed by FMR LLC
    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 9,927,936 shares
    Change vs previous 13F +746,973 shares

    0.09% of the 13F portfolio, value $1,727,857,942.

    13F-HR 0000315066-26-000611 filed by FMR LLC
    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 9,180,963 shares
    Change vs previous 13F +4,087,702 shares

    0.07% of the 13F portfolio, value $1,322,150,532.

    13F-HR 0000315066-25-002929 filed by FMR LLC
    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 5,093,261 shares
    Change vs previous 13F +1,698,877 shares

    0.03% of the 13F portfolio, value $512,585,854.

    13F-HR 0000315066-25-002231 filed by FMR LLC
    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 3,394,384 shares
    Change vs previous 13F -1,461,865 shares

    0.02% of the 13F portfolio, value $258,957,551.

    13F-HR 0000315066-25-001380 filed by FMR LLC
    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 4,856,249 shares
    Change vs previous 13F -2,335,269 shares

    0.02% of the 13F portfolio, value $335,275,441.

    13F-HR 0000315066-25-000939 filed by FMR LLC
    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 7,191,518 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $524,980,821.

    13F-HR 0001385495-24-000014 filed by FMR LLC
    Filed (acceptance time not in the bulk data set), ingested

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