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Disclosery

FIRST MANHATTAN CO. LLC.: ONTO position timeline

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

FIRST MANHATTAN CO. LLC. held 20,601 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 20,601 shares
    Change vs previous 13F -150 shares

    0.02% of the 13F portfolio, value $7,796,448.

    13F-HR 0000728083-26-000007 filed by FIRST MANHATTAN CO. 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 20,751 shares
    Change vs previous 13F -2,267 shares

    0.01% of the 13F portfolio, value $4,255,408.

    13F-HR 0000728083-26-000005 filed by FIRST MANHATTAN CO. 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 23,018 shares
    Change vs previous 13F -835 shares

    0.01% of the 13F portfolio, value $3,633,621.

    13F-HR 0000728083-26-000002 filed by FIRST MANHATTAN CO. 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 23,853 shares
    Change vs previous 13F -700 shares

    0.01% of the 13F portfolio, value $3,082,285.

    13F-HR 0000728083-25-000015 filed by FIRST MANHATTAN CO. 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 24,553 shares
    Change vs previous 13F -1,946 shares

    0.01% of the 13F portfolio, value $2,478,134.

    13F-HR 0000728083-25-000010 filed by FIRST MANHATTAN CO. 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 26,499 shares
    Change vs previous 13F -4,203 shares

    0.01% of the 13F portfolio, value $3,215,389.

    13F-HR 0001750312-25-000007 filed by FIRST MANHATTAN CO. 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 30,702 shares
    Change vs previous 13F -136 shares

    0.02% of the 13F portfolio, value $5,117,102.

    13F-HR 0000728083-25-000003 filed by FIRST MANHATTAN CO. 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 30,838 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $6,400,735.

    13F-HR 0001172661-24-004939 filed by FIRST MANHATTAN CO. LLC.
    Filed (acceptance time not in the bulk data set), ingested

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