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Disclosery

Balyasny Asset Management: INSM position timeline

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

Balyasny Asset Management held 1,326,430 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 1,326,430 shares
    Change vs previous 13F +1,104,723 shares

    0.26% of the 13F portfolio, value $141,423,967.

    13F-HR 0001193125-26-351940 filed by Balyasny Asset Management 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 221,707 shares
    Change vs previous 13F -158,854 shares

    0.07% of the 13F portfolio, value $36,253,528.

    13F-HR 0001193125-26-226359 filed by Balyasny Asset Management 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 380,561 shares
    Change vs previous 13F +343,080 shares

    0.12% of the 13F portfolio, value $66,232,836.

    13F-HR 0001193125-26-054303 filed by Balyasny Asset Management 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 37,481 shares
    Change vs previous 13F +37,481 shares

    0.01% of the 13F portfolio, value $5,397,639.

    13F-HR 0001193125-25-282267 filed by Balyasny Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -58,970 shares

    13F-HR 0000950123-25-005606 filed by Balyasny Asset Management 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.

  6. period ended2024-12-31
    13F 58,970 shares
    Change vs previous 13F +38,155 shares

    0.01% of the 13F portfolio, value $4,071,289.

    13F-HR 0000950123-25-002486 filed by Balyasny Asset Management 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 ended2024-09-30
    13F 20,815 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,519,495.

    13F-HR 0000950123-24-011629 filed by Balyasny Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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