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Disclosery

Polar Capital Holdings Plc: MIRM position timeline

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

Polar Capital Holdings Plc held 845,524 MIRM 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 845,524 shares
    Change vs previous 13F +562,040 shares

    0.28% of the 13F portfolio, value $98,985,495.

    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 283,484 shares
    Change vs previous 13F -510,158 shares

    0.11% of the 13F portfolio, value $26,188,252.

    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 793,642 shares
    Change vs previous 13F -26,910 shares

    0.29% of the 13F portfolio, value $62,689,782.

    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 820,552 shares
    Change vs previous 13F -154,448 shares

    0.29% of the 13F portfolio, value $60,154,667.

    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 975,000 shares
    Change vs previous 13F -200,000 shares

    0.26% of the 13F portfolio, value $49,617,750.

    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 1,175,000 shares
    Change vs previous 13F +500,000 shares

    0.32% of the 13F portfolio, value $52,933,750.

    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 675,000 shares
    Change vs previous 13F 0 shares

    0.16% of the 13F portfolio, value $27,911,250.

    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 675,000 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $26,325,000.

    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).