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Boston Trust Walden Corp: FLEX position timeline

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

Boston Trust Walden Corp held 8,615,342 FLEX 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 8,615,342 shares
    Change vs previous 13F -4,377,798 shares

    1.23% of the 13F portfolio, value $1,384,416,276.

    13F-HR 0001386060-26-000035 filed by Boston Partners
    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 12,993,140 shares
    Change vs previous 13F +889,183 shares

    0.89% of the 13F portfolio, value $851,907,132.

    13F-HR 0001386060-26-000017 filed by Boston Partners
    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 12,103,957 shares
    Change vs previous 13F -6,926,879 shares

    0.76% of the 13F portfolio, value $732,834,746.

    13F-HR 0001386060-26-000014 filed by Boston Partners
    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 19,030,836 shares
    Change vs previous 13F -1,589,881 shares

    1.13% of the 13F portfolio, value $1,104,467,058.

    13F-HR 0001386060-25-000020 filed by Boston Partners
    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/A 20,620,717 shares
    Change vs previous 13F +687,835 shares

    1.14% of the 13F portfolio, value $1,029,769,461.

    13F-HR/A 0001085146-25-004915 filed by Boston Partners
    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 19,932,882 shares
    Change vs previous 13F -6,181,692 shares

    0.8% of the 13F portfolio, value $658,264,986.

    13F-HR 0001085146-25-002987 filed by Boston Partners
    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 26,114,574 shares
    Change vs previous 13F +569,916 shares

    1.22% of the 13F portfolio, value $1,006,435,652.

    13F-HR 0001085146-25-000961 filed by Boston Partners
    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 25,544,658 shares
    Change vs previous 13F not available

    1.01% of the 13F portfolio, value $854,553,563.

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

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