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Alyeska Investment Group, L.P.: INSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Alyeska Investment Group, L.P. on INSM, newest first. How the timeline and the estimate are built.

Alyeska Investment Group, L.P. held 190,264 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 190,264 shares
    Change vs previous 13F +142,142 shares

    0.05% of the 13F portfolio, value $20,285,948.

    13F-HR 0001172661-26-003737 filed by Alyeska Investment Group, L.P.
    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 48,122 shares
    Change vs previous 13F -11,878 shares

    0.02% of the 13F portfolio, value $7,868,909.

    13F-HR 0001172661-26-002284 filed by Alyeska Investment Group, L.P.
    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 60,000 shares
    Change vs previous 13F +60,000 shares

    0.03% of the 13F portfolio, value $10,442,400.

    13F-HR 0001172661-26-000737 filed by Alyeska Investment Group, L.P.
    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 0 shares
    Change vs previous 13F -603,702 shares

    13F-HR 0001172661-25-005150 filed by Alyeska Investment Group, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-06-30
    13F 603,702 shares
    Change vs previous 13F -131,298 shares

    0.22% of the 13F portfolio, value $60,756,569.

    13F-HR 0001172661-25-003461 filed by Alyeska Investment Group, L.P.
    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 735,000 shares
    Change vs previous 13F -200,779 shares

    0.22% of the 13F portfolio, value $56,073,150.

    13F-HR 0001172661-25-002312 filed by Alyeska Investment Group, L.P.
    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 935,779 shares
    Change vs previous 13F +188,377 shares

    0.24% of the 13F portfolio, value $64,606,182.

    13F-HR 0001172661-25-001146 filed by Alyeska Investment Group, L.P.
    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 747,402 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $54,560,346.

    13F-HR 0001172661-24-005186 filed by Alyeska Investment Group, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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