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Boston Trust Walden Corp: LAMR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Boston Trust Walden Corp on LAMR, newest first. How the timeline and the estimate are built.

Boston Trust Walden Corp held 2,630,050 LAMR shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,630,050 shares
    Change vs previous 13F +81,100 shares

    0.33% of the 13F portfolio, value $410,244,201.

    13F-HR 0001386060-26-000035 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 2,317,282 shares
    • Boston Trust Walden Corp: 312,768 shares

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

  2. period ended2026-03-31
    13F 2,548,950 shares
    Change vs previous 13F -106,222 shares

    0.3% of the 13F portfolio, value $322,857,129.

    13F-HR 0001386060-26-000017 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 2,236,639 shares
    • Boston Trust Walden Corp: 312,311 shares

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

  3. period ended2025-12-31
    13F 2,655,172 shares
    Change vs previous 13F -52,139 shares

    0.31% of the 13F portfolio, value $336,111,208.

    13F-HR 0001386060-26-000014 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 2,335,314 shares
    • Boston Trust Walden Corp: 319,858 shares

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

  4. period ended2025-09-30
    13F 2,707,311 shares
    Change vs previous 13F -2,831 shares

    0.3% of the 13F portfolio, value $331,420,031.

    13F-HR 0001386060-25-000020 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 2,384,715 shares
    • Boston Trust Walden Corp: 322,596 shares

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

  5. period ended2025-06-30
    13F/A 2,710,142 shares
    Change vs previous 13F -108,704 shares

    0.32% of the 13F portfolio, value $328,928,073.

    13F-HR/A 0001085146-25-004915 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 2,338,354 shares
    • Boston Trust Walden Corp: 371,788 shares

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

  6. period ended2025-03-31
    13F 2,818,846 shares
    Change vs previous 13F -25,775 shares

    0.33% of the 13F portfolio, value $320,707,661.

    13F-HR 0001085146-25-002987 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 2,386,990 shares
    • Boston Trust Walden Corp: 431,856 shares

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

  7. period ended2024-12-31
    13F 2,844,621 shares
    Change vs previous 13F +165,402 shares

    0.36% of the 13F portfolio, value $346,330,916.

    13F-HR 0001085146-25-000961 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 2,423,981 shares
    • Boston Trust Walden Corp: 420,640 shares

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

  8. period ended2024-09-30
    13F 2,679,219 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $357,957,876.

    13F-HR 0001085146-24-005518 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 2,271,406 shares
    • Boston Trust Walden Corp: 407,813 shares

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