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Disclosery

STATE OF WISCONSIN INVESTMENT BOARD: ATI position timeline

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

STATE OF WISCONSIN INVESTMENT BOARD held 174,589 ATI 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 174,589 shares
    Change vs previous 13F -27,374 shares

    0.07% of the 13F portfolio, value $34,411,492.

    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 201,963 shares
    Change vs previous 13F -26,812 shares

    0.07% of the 13F portfolio, value $29,377,538.

    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 228,775 shares
    Change vs previous 13F -33,636 shares

    0.06% of the 13F portfolio, value $26,254,219.

    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 262,411 shares
    Change vs previous 13F -4,869 shares

    0.05% of the 13F portfolio, value $21,344,511.

    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 267,280 shares
    Change vs previous 13F -37,117 shares

    0.06% of the 13F portfolio, value $23,076,955.

    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 304,397 shares
    Change vs previous 13F +66,818 shares

    0.04% of the 13F portfolio, value $15,837,776.

    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 237,579 shares
    Change vs previous 13F +48,246 shares

    0.03% of the 13F portfolio, value $13,076,348.

    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 189,333 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $12,668,271.

    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).