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Disclosery

STATE OF WISCONSIN INVESTMENT BOARD: ONTO position timeline

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

STATE OF WISCONSIN INVESTMENT BOARD held 55,298 ONTO 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 55,298 shares
    Change vs previous 13F -8,033 shares

    0.04% of the 13F portfolio, value $20,927,528.

    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 63,331 shares
    Change vs previous 13F -3,585 shares

    0.03% of the 13F portfolio, value $12,987,288.

    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 66,916 shares
    Change vs previous 13F +5,681 shares

    0.02% of the 13F portfolio, value $10,563,360.

    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 61,235 shares
    Change vs previous 13F -40 shares

    0.02% of the 13F portfolio, value $7,912,787.

    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 61,275 shares
    Change vs previous 13F -4,170 shares

    0.02% of the 13F portfolio, value $6,184,486.

    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 65,445 shares
    Change vs previous 13F +5,667 shares

    0.02% of the 13F portfolio, value $7,941,096.

    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 59,778 shares
    Change vs previous 13F +7,078 shares

    0.03% of the 13F portfolio, value $9,963,199.

    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 52,700 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $10,938,412.

    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).