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Disclosery

Polar Capital Holdings Plc: MKSI position timeline

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

Polar Capital Holdings Plc held 260,442 MKSI 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 260,442 shares
    Change vs previous 13F +188,231 shares

    0.33% of the 13F portfolio, value $115,844,602.

    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 72,211 shares
    Change vs previous 13F -71,287 shares

    0.07% of the 13F portfolio, value $16,594,810.

    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 143,498 shares
    Change vs previous 13F -1,128 shares

    0.1% of the 13F portfolio, value $22,930,980.

    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 144,626 shares
    Change vs previous 13F +34,453 shares

    0.09% of the 13F portfolio, value $17,900,360.

    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 110,173 shares
    Change vs previous 13F -46,304 shares

    0.06% of the 13F portfolio, value $10,946,789.

    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 156,477 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $12,541,632.

    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 156,477 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $16,334,634.

    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 156,477 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $17,010,615.

    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).