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Walthausen & Co., LLC: ONTO position timeline

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

Walthausen & Co., LLC held 19,156 ONTO shares at 2022-09-30 per its 13F-HR/A filed 2022-11-14.

the latest 13F is the newest step

  1. period ended2022-09-30
    13F/A 19,156 shares
    Change vs previous 13F -140 shares

    1.02% of the 13F portfolio, value $1,227,000.

    13F-HR/A 0001483339-22-000006 filed by Walthausen & 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 ended2022-06-30
    13F 19,296 shares
    Change vs previous 13F -12,370 shares

    0.6% of the 13F portfolio, value $1,346,000.

    13F-HR 0001483339-22-000004 filed by Walthausen & 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 ended2022-03-31
    13F 31,666 shares
    Change vs previous 13F +5,930 shares

    0.78% of the 13F portfolio, value $2,751,000.

    13F-HR 0001483339-22-000003 filed by Walthausen & 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 ended2021-12-31
    13F 25,736 shares
    Change vs previous 13F -740 shares

    0.68% of the 13F portfolio, value $2,605,000.

    13F-HR 0001483339-22-000002 filed by Walthausen & 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 ended2021-09-30
    13F 26,476 shares
    Change vs previous 13F -650 shares

    0.48% of the 13F portfolio, value $1,913,000.

    13F-HR 0001483339-21-000006 filed by Walthausen & 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 ended2021-06-30
    13F/A 27,126 shares
    Change vs previous 13F -19,020 shares

    0.44% of the 13F portfolio, value $1,981,000.

    13F-HR/A 0001483339-21-000005 filed by Walthausen & 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 ended2021-03-31
    13F 46,146 shares
    Change vs previous 13F -6,080 shares

    0.64% of the 13F portfolio, value $3,032,000.

    13F-HR 0001483339-21-000003 filed by Walthausen & 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 ended2020-12-31
    13F 52,226 shares
    Change vs previous 13F not available

    0.68% of the 13F portfolio, value $2,483,000.

    13F-HR 0001483339-21-000002 filed by Walthausen & Co., LLC
    Filed (acceptance time not in the bulk data set), ingested

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