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Disclosery

Boston Trust Walden Corp: GEN position timeline

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

Boston Trust Walden Corp held 20,667,093 GEN 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 20,667,093 shares
    Change vs previous 13F +5,782,014 shares

    0.46% of the 13F portfolio, value $514,484,536.

    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 14,885,079 shares
    Change vs previous 13F -759,210 shares

    0.29% of the 13F portfolio, value $280,288,057.

    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 15,644,289 shares
    Change vs previous 13F +1,954,712 shares

    0.44% of the 13F portfolio, value $425,335,711.

    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 13,689,577 shares
    Change vs previous 13F +565,836 shares

    0.4% of the 13F portfolio, value $388,610,025.

    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 13,123,741 shares
    Change vs previous 13F -234,426 shares

    0.43% of the 13F portfolio, value $385,811,209.

    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 13,358,167 shares
    Change vs previous 13F +3,631,052 shares

    0.43% of the 13F portfolio, value $354,455,694.

    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 9,727,115 shares
    Change vs previous 13F +320,307 shares

    0.32% of the 13F portfolio, value $266,330,628.

    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 9,406,808 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $258,015,867.

    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).