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Grantham, Mayo, Van Otterloo & Co. LLC: PLAB position timeline

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

Grantham, Mayo, Van Otterloo & Co. LLC held 49,781 PLAB shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 49,781 shares
    Change vs previous 13F +19,110 shares

    <0.01% of the 13F portfolio, value $1,619,376.

    13F-HR 0001072613-26-000636 filed by Grantham, Mayo, Van Otterloo & 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 30,671 shares
    Change vs previous 13F +15,448 shares

    <0.01% of the 13F portfolio, value $1,239,415.

    13F-HR 0001072613-26-000397 filed by Grantham, Mayo, Van Otterloo & 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 15,223 shares
    Change vs previous 13F +5,528 shares

    <0.01% of the 13F portfolio, value $487,136.

    13F-HR 0001072613-26-000185 filed by Grantham, Mayo, Van Otterloo & 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 9,695 shares
    Change vs previous 13F +9,695 shares

    <0.01% of the 13F portfolio, value $222,500.

    13F-HR 0001072613-25-000786 filed by Grantham, Mayo, Van Otterloo & 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 ended2024-12-31
    13F 0 shares
    Change vs previous 13F -9,551 shares

    13F-HR 0001072613-25-000109 filed by Grantham, Mayo, Van Otterloo & Co. LLC
    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.

  6. period ended2024-09-30
    13F 9,551 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $236,483.

    13F-HR 0001072613-24-000820 filed by Grantham, Mayo, Van Otterloo & Co. LLC
    Filed (acceptance time not in the bulk data set), ingested

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