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Disclosery

SUMMITRY LLC: ONTO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SUMMITRY LLC on ONTO, newest first. How the timeline and the estimate are built.

SUMMITRY LLC held 2,909 ONTO shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,909 shares
    Change vs previous 13F -250 shares

    0.04% of the 13F portfolio, value $1,100,912.

    13F-HR 0001941040-26-000431 filed by SUMMITRY LLC
    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/A 3,159 shares
    Change vs previous 13F -265 shares

    0.02% of the 13F portfolio, value $647,817.

    13F-HR/A 0001941040-26-000383 filed by SUMMITRY LLC
    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 3,424 shares
    Change vs previous 13F -220 shares

    0.02% of the 13F portfolio, value $540,513.

    13F-HR 0001941040-26-000079 filed by SUMMITRY LLC
    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 3,644 shares
    Change vs previous 13F +544 shares

    0.02% of the 13F portfolio, value $470,878.

    13F-HR 0001941040-25-000598 filed by SUMMITRY LLC
    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 3,100 shares
    Change vs previous 13F +696 shares

    0.01% of the 13F portfolio, value $312,883.

    13F-HR 0001941040-25-000465 filed by SUMMITRY LLC
    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 2,404 shares
    Change vs previous 13F +268 shares

    0.01% of the 13F portfolio, value $291,702.

    13F-HR 0001085146-25-003029 filed by SUMMITRY LLC
    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 2,136 shares
    Change vs previous 13F +638 shares

    0.02% of the 13F portfolio, value $356,008.

    13F-HR 0001085146-25-001020 filed by SUMMITRY LLC
    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 1,498 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $310,925.

    13F-HR 0001085146-24-005408 filed by SUMMITRY LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).