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Disclosery

Artisan Partners Limited Partnership: ONTO position timeline

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

Artisan Partners Limited Partnership held 200,459 ONTO shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 200,459 shares
    Change vs previous 13F +18,428 shares

    0.12% of the 13F portfolio, value $75,863,709.

    13F-HR 0001193125-26-349319 filed by Artisan Partners Limited Partnership
    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 182,031 shares
    Change vs previous 13F +182,031 shares

    0.06% of the 13F portfolio, value $37,329,097.

    13F-HR 0001193125-26-220594 filed by Artisan Partners Limited Partnership
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -1,515,152 shares

    13F-HR 0000950123-25-005057 filed by Artisan Partners Limited Partnership
    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.

  4. period ended2024-12-31
    13F 1,515,152 shares
    Change vs previous 13F +444,860 shares

    0.39% of the 13F portfolio, value $252,530,384.

    13F-HR 0000950123-25-001671 filed by Artisan Partners Limited Partnership
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-09-30
    13F 1,070,292 shares
    Change vs previous 13F not available

    0.33% of the 13F portfolio, value $222,149,808.

    13F-HR 0000950123-24-010870 filed by Artisan Partners Limited Partnership
    Filed (acceptance time not in the bulk data set), ingested

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