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Disclosery

Benchstone Capital Management LP: ONTO position timeline

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

Benchstone Capital Management LP held 37,868 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 37,868 shares
    Change vs previous 13F +21,747 shares

    1.79% of the 13F portfolio, value $14,331,145.

    13F-HR 0001420506-26-001739 filed by Benchstone Capital Management LP
    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 16,121 shares
    Change vs previous 13F -132,842 shares

    0.38% of the 13F portfolio, value $3,305,933.

    13F-HR 0001420506-26-001126 filed by Benchstone Capital Management LP
    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 148,963 shares
    Change vs previous 13F not available

    2.65% of the 13F portfolio, value $23,515,299.

    13F-HR 0001420506-26-000483 filed by Benchstone Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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