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Disclosery

Polar Capital Holdings Plc: INSM position timeline

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

Polar Capital Holdings Plc held 890,872 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 890,872 shares
    Change vs previous 13F +522,765 shares

    0.27% of the 13F portfolio, value $94,984,773.

    13F-HR 0001172661-26-003663 filed by Polar Capital Holdings Plc
    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 368,107 shares
    Change vs previous 13F +23,879 shares

    0.26% of the 13F portfolio, value $60,192,857.

    13F-HR 0001172661-26-002147 filed by Polar Capital Holdings Plc
    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 344,228 shares
    Change vs previous 13F -27,659 shares

    0.27% of the 13F portfolio, value $59,909,441.

    13F-HR 0001172661-26-000823 filed by Polar Capital Holdings Plc
    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 371,887 shares
    Change vs previous 13F -326,073 shares

    0.26% of the 13F portfolio, value $53,555,447.

    13F-HR 0001172661-25-004921 filed by Polar Capital Holdings Plc
    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 697,960 shares
    Change vs previous 13F -30,795 shares

    0.37% of the 13F portfolio, value $70,242,694.

    13F-HR 0001172661-25-003304 filed by Polar Capital Holdings Plc
    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 728,755 shares
    Change vs previous 13F -1,245 shares

    0.34% of the 13F portfolio, value $55,596,719.

    13F-HR 0001172661-25-002011 filed by Polar Capital Holdings Plc
    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 730,000 shares
    Change vs previous 13F +50,000 shares

    0.28% of the 13F portfolio, value $50,399,200.

    13F-HR 0001172661-25-000891 filed by Polar Capital Holdings Plc
    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 680,000 shares
    Change vs previous 13F not available

    0.24% of the 13F portfolio, value $49,640,000.

    13F-HR 0001172661-24-004785 filed by Polar Capital Holdings Plc
    Filed (acceptance time not in the bulk data set), ingested

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