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Disclosery

Holocene Advisors, LP: INSM position timeline

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

Holocene Advisors, LP held 192,879 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 192,879 shares
    Change vs previous 13F +192,879 shares

    0.05% of the 13F portfolio, value $20,564,759.

    13F-HR 0001172661-26-003735 filed by Holocene Advisors, LP
    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 0 shares
    Change vs previous 13F -801,165 shares

    13F-HR 0001172661-26-002328 filed by Holocene Advisors, LP
    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.

  3. period ended2025-12-31
    13F 801,165 shares
    Change vs previous 13F -282,516 shares

    0.29% of the 13F portfolio, value $139,434,757.

    13F-HR 0001172661-26-001069 filed by Holocene Advisors, LP
    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 1,083,681 shares
    Change vs previous 13F -933,125 shares

    0.36% of the 13F portfolio, value $156,060,901.

    13F-HR 0001172661-25-005031 filed by Holocene Advisors, LP
    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 2,016,806 shares
    Change vs previous 13F -9,616 shares

    0.5% of the 13F portfolio, value $202,971,356.

    13F-HR 0001172661-25-003485 filed by Holocene Advisors, LP
    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 2,026,422 shares
    Change vs previous 13F +1,338,710 shares

    0.46% of the 13F portfolio, value $154,595,734.

    13F-HR 0001172661-25-002386 filed by Holocene Advisors, LP
    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 687,712 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $47,479,636.

    13F-HR 0001172661-25-001140 filed by Holocene Advisors, LP
    Filed (acceptance time not in the bulk data set), ingested

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