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Disclosery

LOOMIS SAYLES & CO L P: ONTO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of LOOMIS SAYLES & CO L P on ONTO, newest first. How the timeline and the estimate are built.

LOOMIS SAYLES & CO L P held 131,434 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 131,434 shares
    Change vs previous 13F +50,362 shares

    0.06% of the 13F portfolio, value $49,741,197.

    13F-HR 0000312348-26-000034 filed by LOOMIS SAYLES & CO L P
    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 81,072 shares
    Change vs previous 13F +81,072 shares

    0.02% of the 13F portfolio, value $16,625,435.

    13F-HR 0000312348-26-000026 filed by LOOMIS SAYLES & CO L P
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -218,068 shares

    13F-HR 0000312348-25-000028 filed by LOOMIS SAYLES & CO L P
    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 ended2025-03-31
    13F 218,068 shares
    Change vs previous 13F -4,621 shares

    0.04% of the 13F portfolio, value $26,461,000.

    13F-HR 0000312348-25-000021 filed by LOOMIS SAYLES & CO L P
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F 222,689 shares
    Change vs previous 13F -43,311 shares

    0.05% of the 13F portfolio, value $37,115,000.

    13F-HR 0000312348-25-000014 filed by LOOMIS SAYLES & CO L P
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-09-30
    13F 266,000 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $55,211,000.

    13F-HR 0000312348-24-000037 filed by LOOMIS SAYLES & CO L P
    Filed (acceptance time not in the bulk data set), ingested

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