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Disclosery

Artisan Partners Limited Partnership: INSM position timeline

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

Artisan Partners Limited Partnership held 5,441,718 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 5,441,718 shares
    Change vs previous 13F -1,085,583 shares

    0.95% of the 13F portfolio, value $580,195,955.

    13F-HR 0001193125-26-349319 filed by Artisan Partners Limited Partnership
    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 6,527,301 shares
    Change vs previous 13F +1,683,552 shares

    1.74% of the 13F portfolio, value $1,067,344,315.

    13F-HR 0001193125-26-220594 filed by Artisan Partners Limited Partnership
    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 4,843,749 shares
    Change vs previous 13F -93,934 shares

    1.29% of the 13F portfolio, value $843,006,016.

    13F-HR 0001193125-26-052992 filed by Artisan Partners Limited Partnership
    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 4,937,683 shares
    Change vs previous 13F +1,623,342 shares

    1.02% of the 13F portfolio, value $711,075,729.

    13F-HR 0001193125-25-275718 filed by Artisan Partners Limited Partnership
    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 3,314,341 shares
    Change vs previous 13F +97,073 shares

    0.5% of the 13F portfolio, value $333,555,278.

    13F-HR 0000950123-25-007551 filed by Artisan Partners Limited Partnership
    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 3,217,268 shares
    Change vs previous 13F +90,929 shares

    0.4% of the 13F portfolio, value $245,445,376.

    13F-HR 0000950123-25-005057 filed by Artisan Partners Limited Partnership
    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 3,126,339 shares
    Change vs previous 13F +242,242 shares

    0.33% of the 13F portfolio, value $215,842,445.

    13F-HR 0000950123-25-001671 filed by Artisan Partners Limited Partnership
    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 2,884,097 shares
    Change vs previous 13F not available

    0.32% of the 13F portfolio, value $210,539,081.

    13F-HR 0000950123-24-010870 filed by Artisan Partners Limited Partnership
    Filed (acceptance time not in the bulk data set), ingested

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