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TimesSquare Capital Management, LLC: INSM position timeline

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

TimesSquare Capital Management, LLC held 728,096 INSM shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 728,096 shares
    Change vs previous 13F +143,298 shares

    1.14% of the 13F portfolio, value $77,629,596.

    13F-HR 0001193125-26-339056 filed by TimesSquare Capital Management, LLC
    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 584,798 shares
    Change vs previous 13F +94,292 shares

    1.62% of the 13F portfolio, value $95,626,169.

    13F-HR 0001193125-26-210169 filed by TimesSquare Capital Management, LLC
    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 490,506 shares
    Change vs previous 13F +65,421 shares

    1.29% of the 13F portfolio, value $85,367,664.

    13F-HR 0001193125-26-040254 filed by TimesSquare Capital Management, LLC
    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 425,085 shares
    Change vs previous 13F -448,406 shares

    0.88% of the 13F portfolio, value $61,216,491.

    13F-HR 0001193125-25-270944 filed by TimesSquare Capital Management, LLC
    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 873,491 shares
    Change vs previous 13F -190,657 shares

    1.27% of the 13F portfolio, value $87,908,134.

    13F-HR 0000950123-25-007295 filed by TimesSquare Capital Management, LLC
    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 1,064,148 shares
    Change vs previous 13F +379,764 shares

    1.31% of the 13F portfolio, value $81,183,851.

    13F-HR 0000950123-25-003971 filed by TimesSquare Capital Management, LLC
    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 684,384 shares
    Change vs previous 13F +200,515 shares

    0.69% of the 13F portfolio, value $47,249,871.

    13F-HR 0000950123-25-000803 filed by TimesSquare Capital Management, LLC
    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 483,869 shares
    Change vs previous 13F not available

    0.53% of the 13F portfolio, value $35,322,437.

    13F-HR 0000950123-24-010296 filed by TimesSquare Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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