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Disclosery

MARSHALL WACE, LLP: INSM position timeline

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

MARSHALL WACE, LLP held 501,930 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 501,930 shares
    Change vs previous 13F +189,365 shares

    0.05% of the 13F portfolio, value $53,515,776.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, 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 312,565 shares
    Change vs previous 13F -77,316 shares

    0.05% of the 13F portfolio, value $51,110,629.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, 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 389,881 shares
    Change vs previous 13F -268,766 shares

    0.07% of the 13F portfolio, value $67,854,888.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, 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 658,647 shares
    Change vs previous 13F -454,714 shares

    0.1% of the 13F portfolio, value $94,851,755.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, 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 1,113,361 shares
    Change vs previous 13F +417,124 shares

    0.13% of the 13F portfolio, value $112,048,651.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, 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 696,237 shares
    Change vs previous 13F -367,978 shares

    0.07% of the 13F portfolio, value $53,115,922.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, 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 1,064,215 shares
    Change vs previous 13F +293,004 shares

    0.09% of the 13F portfolio, value $73,473,404.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, 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 771,211 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $56,298,403.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

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