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Disclosery

STATE OF WISCONSIN INVESTMENT BOARD: MTRN position timeline

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

STATE OF WISCONSIN INVESTMENT BOARD held 7,594 MTRN 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 7,594 shares
    Change vs previous 13F +3,323 shares

    <0.01% of the 13F portfolio, value $2,258,380.

    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 4,271 shares
    Change vs previous 13F +811 shares

    <0.01% of the 13F portfolio, value $617,800.

    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 3,460 shares
    Change vs previous 13F -431 shares

    <0.01% of the 13F portfolio, value $430,147.

    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 3,891 shares
    Change vs previous 13F -1,317 shares

    <0.01% of the 13F portfolio, value $470,072.

    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 5,208 shares
    Change vs previous 13F -851 shares

    <0.01% of the 13F portfolio, value $413,359.

    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 6,059 shares
    Change vs previous 13F +825 shares

    <0.01% of the 13F portfolio, value $494,414.

    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 5,234 shares
    Change vs previous 13F +866 shares

    <0.01% of the 13F portfolio, value $517,538.

    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 4,368 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $488,604.

    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).