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STATE OF WISCONSIN INVESTMENT BOARD: IBM position timeline

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

STATE OF WISCONSIN INVESTMENT BOARD held 500,555 IBM 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 500,555 shares
    Change vs previous 13F -6,021 shares

    0.28% of the 13F portfolio, value $140,761,072.

    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 506,576 shares
    Change vs previous 13F +17,235 shares

    0.28% of the 13F portfolio, value $122,788,957.

    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 489,341 shares
    Change vs previous 13F -14,054 shares

    0.33% of the 13F portfolio, value $144,947,698.

    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 503,395 shares
    Change vs previous 13F -10,371 shares

    0.33% of the 13F portfolio, value $142,037,933.

    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 513,766 shares
    Change vs previous 13F -21,556 shares

    0.37% of the 13F portfolio, value $151,447,941.

    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 535,322 shares
    Change vs previous 13F +238 shares

    0.34% of the 13F portfolio, value $133,113,169.

    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 535,084 shares
    Change vs previous 13F -6,404 shares

    0.3% of the 13F portfolio, value $117,627,516.

    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 541,488 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $119,712,167.

    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).