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Disclosery

STATE OF WISCONSIN INVESTMENT BOARD: MKSI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of STATE OF WISCONSIN INVESTMENT BOARD on MKSI, newest first. How the timeline and the estimate are built.

STATE OF WISCONSIN INVESTMENT BOARD held 50,320 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 50,320 shares
    Change vs previous 13F +1,342 shares

    0.05% of the 13F portfolio, value $22,382,336.

    13F-HR 0001062993-26-004375 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 48,978 shares
    Change vs previous 13F +3,362 shares

    0.03% of the 13F portfolio, value $11,255,634.

    13F-HR 0001062993-26-002676 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 45,616 shares
    Change vs previous 13F +4,044 shares

    0.02% of the 13F portfolio, value $7,289,437.

    13F-HR 0001062993-26-000957 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 41,572 shares
    Change vs previous 13F -4,640 shares

    0.01% of the 13F portfolio, value $5,145,366.

    13F-HR 0001062993-25-016783 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 46,212 shares
    Change vs previous 13F -12,649 shares

    0.01% of the 13F portfolio, value $4,591,624.

    13F-HR 0001062993-25-014368 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 58,861 shares
    Change vs previous 13F +9,541 shares

    0.01% of the 13F portfolio, value $4,717,709.

    13F-HR 0001062993-25-009484 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 49,320 shares
    Change vs previous 13F -12,918 shares

    0.01% of the 13F portfolio, value $5,148,515.

    13F-HR 0001062993-25-002462 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 62,238 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $6,765,893.

    13F-HR 0001062993-24-019058 filed by STATE OF WISCONSIN INVESTMENT BOARD
    Filed (acceptance time not in the bulk data set), ingested

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