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SEGALL BRYANT & HAMILL, LLC: ONTO position timeline

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

SEGALL BRYANT & HAMILL, LLC held 113,576 ONTO shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 113,576 shares
    Change vs previous 13F -162,113 shares

    0.51% of the 13F portfolio, value $42,982,837.

    13F-HR 0001006378-26-000007 filed by SEGALL BRYANT & HAMILL, 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 275,689 shares
    Change vs previous 13F -123,516 shares

    0.81% of the 13F portfolio, value $56,535,543.

    13F-HR/A 0001006378-26-000005 filed by SEGALL BRYANT & HAMILL, 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 399,205 shares
    Change vs previous 13F +93,977 shares

    0.85% of the 13F portfolio, value $63,018,501.

    13F-HR 0001006378-26-000002 filed by SEGALL BRYANT & HAMILL, 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 305,228 shares
    Change vs previous 13F +257,189 shares

    0.53% of the 13F portfolio, value $39,441,562.

    13F-HR 0001006378-25-000018 filed by SEGALL BRYANT & HAMILL, 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 48,039 shares
    Change vs previous 13F +1,205 shares

    0.07% of the 13F portfolio, value $4,848,576.

    13F-HR 0001006378-25-000014 filed by SEGALL BRYANT & HAMILL, 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 46,834 shares
    Change vs previous 13F -66,830 shares

    0.09% of the 13F portfolio, value $5,682,838.

    13F-HR 0001006378-25-000009 filed by SEGALL BRYANT & HAMILL, 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 113,664 shares
    Change vs previous 13F +4,988 shares

    0.26% of the 13F portfolio, value $18,944,379.

    13F-HR 0001006378-25-000003 filed by SEGALL BRYANT & HAMILL, 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 108,676 shares
    Change vs previous 13F not available

    0.31% of the 13F portfolio, value $22,556,791.

    13F-HR 0001006378-24-000013 filed by SEGALL BRYANT & HAMILL, LLC
    Filed (acceptance time not in the bulk data set), ingested

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