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Disclosery

STATE OF WISCONSIN INVESTMENT BOARD: IOSP position timeline

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

STATE OF WISCONSIN INVESTMENT BOARD held 5,688 IOSP 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 5,688 shares
    Change vs previous 13F +5,688 shares

    <0.01% of the 13F portfolio, value $462,946.

    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 ended2025-12-31
    13F 0 shares
    Change vs previous 13F -2,920 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-09-30
    13F 2,920 shares
    Change vs previous 13F -6,672 shares

    <0.01% of the 13F portfolio, value $225,307.

    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).

  4. period ended2025-06-30
    13F 9,592 shares
    Change vs previous 13F +6,937 shares

    <0.01% of the 13F portfolio, value $806,591.

    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).

  5. period ended2025-03-31
    13F 2,655 shares
    Change vs previous 13F +340 shares

    <0.01% of the 13F portfolio, value $251,561.

    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).

  6. period ended2024-12-31
    13F 2,315 shares
    Change vs previous 13F +188 shares

    <0.01% of the 13F portfolio, value $254,789.

    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).

  7. period ended2024-09-30
    13F 2,127 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $240,542.

    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).