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Disclosery

Baron Capital: INSM position timeline

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

Baron Capital held 10,000 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 10,000 shares
    Change vs previous 13F -10,000 shares

    <0.01% of the 13F portfolio, value $1,066,200.

    13F-HR 0001017918-26-000067 filed by BAMCO INC /NY/
    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 20,000 shares
    Change vs previous 13F -18,200 shares

    0.01% of the 13F portfolio, value $3,270,400.

    13F-HR 0001017918-26-000043 filed by BAMCO INC /NY/
    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 38,200 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $6,648,328.

    13F-HR 0001017918-26-000015 filed by BAMCO INC /NY/
    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 38,200 shares
    Change vs previous 13F +1,500 shares

    0.01% of the 13F portfolio, value $5,501,182.

    13F-HR 0001017918-25-000059 filed by BAMCO INC /NY/
    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 36,700 shares
    Change vs previous 13F -23,300 shares

    0.01% of the 13F portfolio, value $3,693,488.

    13F-HR 0001017918-25-000041 filed by BAMCO INC /NY/
    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 60,000 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $4,577,400.

    13F-HR 0001017918-25-000031 filed by BAMCO INC /NY/
    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 60,000 shares
    Change vs previous 13F +19,500 shares

    0.01% of the 13F portfolio, value $4,142,400.

    13F-HR 0001017918-25-000019 filed by BAMCO INC /NY/
    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 40,500 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,956,500.

    13F-HR 0001017918-24-000083 filed by BAMCO INC /NY/
    Filed (acceptance time not in the bulk data set), ingested

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